Cisco Secure Firewall Stability

JT
Network Administration Lead at Forest County Potawatomi Community

Stability-wise, we haven't had too many issues. Before the next-generation firewalls, we used ASAs. In the 15-plus years that I've been using them I've only had one fail on me. Software-wise, we really haven't run into too many major bugs that we couldn't can get workarounds for by working with TAC. Overall the stability is excellent.

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RV
Principal Network Engineer at a retailer with 10,001+ employees

The stability is very good; there's no vagueness. Either it works or it doesn't, and it's also very easy to find out why.

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Jordan De Sousa - PeerSpot reviewer
Network Manager at a computer software company with 501-1,000 employees

We had MX when it was launched initially and it was not as stable as it is now. The stability of the solution has improved. 

I would rate the stability of this solution three years ago a 3 and today's stability an eight, on a scale from one to 10, with one being the worst and 10 being the best.

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Buyer's Guide
Cisco Secure Firewall
March 2024
Learn what your peers think about Cisco Secure Firewall. Get advice and tips from experienced pros sharing their opinions. Updated: March 2024.
765,386 professionals have used our research since 2012.
Daniel Going - PeerSpot reviewer
Managing architect at Capgemini

It's very stable. We've seen very few issues that aren't human-related. If I were to rate the stability, it would have to be 10 out of 10 because we haven't seen any failures.

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Josh Schmookler - PeerSpot reviewer
Network Engineer at Aton Computing

Its stability is excellent. In the last six months, I've probably deployed about 14 Cisco Secure Firewall devices, and I am yet to get a callback. I deploy them, and then the customer takes ownership of the device, and they're off to the races and ready to go. They've been stable, which is good. I don't like devices that break the week after I install them and make me look bad.

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SB
Director & CIO of IT services at Connectivity IT Services Private Limited

Cisco ASA Firewall is reliable, especially in the Indian context. For example, I had a couple of banks with around 5,000 branches and ATMs. It was easy to deploy remotely or send it to each branch. 

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EV
IT Technical Manager at Adventist Health

We've been using Firepower, the Threat Defense, and the Management Console for about six and a half years and I think we've had maybe two issues with it. And most of those were due to either our policy settings or something that we messed up. We've never had to return a box and we've never run into any major bugs that have actually hindered the actual security of the system.

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Robert LaCroix - PeerSpot reviewer
Network Engineer at Red River

It runs forever. I haven't had any problems with any Secure Firewall. It just runs. You don't have to worry about it crashing. All Cisco products run forever. They run themselves. You need to update them. 

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DonaldFitzai - PeerSpot reviewer
Network Administrator at Cluj County Council

ASA Firewall is a stable solution.

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Anthony Smith - PeerSpot reviewer
Principal Security Consultant at Vohkus

Secure Firewall's stability is good. I think the management platform needs a little bit of work. It's not as robust from a stability point of view. Deployment times of configuration have got better over the years, but there's still some work needed so that it deploys every time when you click that button.

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PS
System Engineer at Telekom Deutschland GmbH

They have been very stable. I did not have any cases where a network was down due to firewalling. Fortunately, I did not have any hacker attacks, but that's being lucky. It's not something I would point out to firewalling or configuration. It's just that sometimes you're lucky and sometimes you're not.

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JB
Enterprise Architect at People Driven Technology Inc

It's stable. I have multiple clients that run it. There are always going to be some bugs and issues that we run into, but that's where their TAC definitely jumps in and helps and recommends code versions and things like that. Overall, the stability is pretty good.

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RH
Director of Information Technology at a government with 501-1,000 employees

It's still early, but we believe the stability is alright.

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JS
Senior Network Engineer at Orvis

The code has been reasonably good. It's getting better. The stability depends on the code and this last version of code we went through did give us a number of issues. It all depends on what the stability is in the code.

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Joseph Lofaso - PeerSpot reviewer
Senior Network Engineer at Pinellas County Government

The ASAs are solid. They have been around a long time, so there is a lot of documentation out there. They are easy to manage and make it easy to look at logs.

They have been in the environment for 10 years. They are still running and doing their job. 

The only time that we really touch them is if we need to do a rule or code upgrade. We check vulnerabilities a lot to make sure that nothing major has come out. If something has, then we go ahead and patch the firewalls. This is done by network groups, e.g., network engineers or analysts. We usually look at security. We are alerted to any new security advisories that come out from Cisco. For anything that is critical or high, we definitely will address it if we need to. Sometimes, we go three months or months without an upgrade. Other times, we could upgrade in a month. It just depends on what comes out.

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KB
CTO at Intelcom

The stability of the Cisco firewalls is the best in my opinion. We used to have ASA firewalls running for more than five years. Even when we did software upgrades, we had a very stable platform providing high performance without any outage, so customers can rely on Cisco firewall solutions.

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Chuck Holley - PeerSpot reviewer
Director of Networking at Albemarle Corporation

Cisco Secure Firewall is stable.

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MR
Security Officer at a government

With the main firewall we haven't had many issues. It's been pretty stable. I would rate it at 99.999 percent. Although I think it's very well known in the industry that there was a clock issue with the 5506 and the 5512 models. Their reliability has been far less. I wouldn't give those five-nine's. I would drop it down to 99 percent. Overall, we find the product quite stable.

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BB
Cybersecurity Designer at a financial services firm with 1,001-5,000 employees

The stability of Cisco Secure Firewall was one of the primary reasons that we looked to Cisco when we were replacing our existing firewall estate. I would rate it very highly. We have not had any significant problems with outages. The systems are stable and very good. 

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MW
Executive Vice President, Head of Global Internet Network (GIN) at a tech services company with 10,001+ employees

Cisco Firepower Threat Defense has improved a lot over the last few years, but we sometimes still have really big issues.

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DavidMayer - PeerSpot reviewer
Solution Architect at a energy/utilities company with 1,001-5,000 employees

There is room for improvement in the stability of the product.

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Paul Nduati - PeerSpot reviewer
Assistant Ict Manager at a transportation company with 51-200 employees

Cisco products are quite resilient. We've had problems due to power failures and our UPSs not being maintained and their batteries being drained. With the intermittent on and off, the Cisco ASAs, surprisingly, didn't have any issue at all. The devices really stood on their own. We didn't even have any issue in terms of losing configs. I'm pretty satisfied with that.

I've had experience with some of the new Cisco devices and they're quite sensitive to power fluctuations. The power supply units can really get messed up. But the ASA 5516 is pretty resilient. We've deployed in a cluster, but even heating up, over-clocking, or freezing, has not happened.

We also have the Sophos as a bridge, although it's only a single device, it is not in a cluster or in availability mode, but we've had issues with it freezing. We have had to reboot it.

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Augustus Herriot - PeerSpot reviewer
Senior Infrastructure Engineer at a insurance company with 10,001+ employees

We have other things around it going down, but we really don't have an issue with our ASAs going down. They are excellent for what we have.

There is rarely maintenance. We have our pushes for updates and vulnerabilities, but we have never really had an issue. 

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AK
Senior Information Security Analyst at a manufacturing company with 10,001+ employees

The solution is stable.

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reviewer1448693099 - PeerSpot reviewer
Senior Network Engineer at a comms service provider with 1-10 employees

We experienced stability issues when transitioning to version 7.2, particularly related to operating Snort from Snort Two to Snort Three. In some cases, the firewalls necessitated a reboot, but we ultimately reverted back to using Snort Two.

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NH
Network Engineer at a healthcare company with 10,001+ employees

We don't open bugs for it. It just works for what we've used it for. The last time we opened up an ASA bug would have probably been three years ago. From a reliability standpoint of what we're using it for, it's fantastic.

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Marijo Sutlovic - PeerSpot reviewer
Head of Information Security at Otp banka d.d.

In general, Cisco Secure Firewall is stable. We have had problems when we automatically deployed some signatures. There have been issues with the memory of the Firewall Management Center, and we've had to reload the system.

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FC
Global Network Architect at a agriculture with 10,001+ employees

It has been a very stable solution. If you keep it up to date and do sensible management on it, it's a very stable solution.

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Isaiah Etuk - PeerSpot reviewer
Chief Digital & Technical Officer at Capital Express Assurance Limited

It is very stable. I've not had any thought of reconfiguring it. I have just applied my criteria, and I'm good.

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FM
Practice Lead at IPConsul

In terms of Firepower's stability, we had some issues with Snort 2 CPUs when using older versions in the past. However, since using version 6.4 until now, I haven't seen any big issues. We have had some issues, just like any other vendor, but not in terms of stability. We have had a few bugs, but stability is something that is rock-solid in terms of Firepower.

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Ramish Ali - PeerSpot reviewer
Assistant Director IT at Punjab Education Foundation

The stability is excellent and the performance is good. There are no bugs or glitches. It doesn't crash or freeze. It's reliable.

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BW
Network Security Team Lead at a government with 10,001+ employees

Cisco Secure Firewall is a very stable solution.

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WN
CTO at a government with 10,001+ employees

Cisco Secure Firewall is a very stable solution.

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FC
Global Network Architect at a agriculture with 10,001+ employees

Cisco Secure Firewall has been a very stable solution for us. In general, if you keep it up to date and do sensible management on it, it will be a very stable solution.

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SV
Critical Infrastructure at Wintek Corporation

The solution is very stable.

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Samson Belete - PeerSpot reviewer
Network Engineer at a financial services firm with 5,001-10,000 employees

It is stable, but there are issues with the hybrid when you do the activation.

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DC
Senior Network Security Engineer at a tech services company with 11-50 employees

Stability has been good so far. It has been much better than in the past. In the past, there were times where there were known issues or bugs.

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MB
Cyber Security Practice Lead at Eazi Security

The product has significantly improved over the last two years. I am aware that the Cisco product team has made significant strides forward in addressing oversights that may have previously existed in the platform. I don't have that much in the way of improvements now. We are running the latest code, the 6.7 code, on all our environments. It addresses so many issues that previously existed in earlier versions of the code. From 6.6, the code has improved significantly and introduced many feature benefits.

The new code, 6.6 and higher, seems to be very stable. Now, you don't need to deploy the entire policy package every time you make a change. You can just deploy the segment of the configuration that has been changed. This has increased how quickly you can deploy the configuration, which is a good improvement. We seem to have less bugs and glitches in the newer code. I can't think of any real bugs or glitches that I have seen since we have been running 6.6. With 6.5 and earlier, there were some problems. Now, it seems to be very stable.

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MK
IT Administrator / Security Analyst at a healthcare company with 11-50 employees

They've been very reliable for us and we haven't had one fail, so we've never had to failover. That has been generally my experience with Cisco products, which is one reason that we tend to lean on Cisco hardware for switching, too. The reliability of the hardware over the years has been very good.

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AI
Head of Technology at Computer Services Ltd.

So far we haven't encountered any stability problems. You should have a lot of patches to apply to update the firmware. You can understand the firewall in less than a week.

We had some fraud introduced with our last box when Cisco produced an upgrade. The updated policy agreement was based on the wrong purchase date information. 

The faster integration that is available in our region is pretty smooth for the Cisco firewall right now. I haven't found that much of a limitation to any service. 

I used to have a lot of issues with firewall support. Now, I keep a good state of mind with Cisco. I can expect my capabilities going out of range eventually if we don't upgrade. 

Cisco has its own cloud platform. I am able to see a single dashboard with all of my firewall activities and network performance under diagnostics, which is really helping us out.

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Ken Mohammed - PeerSpot reviewer
UC Solutions Engineer at Diversified

It's good. It's stable. I haven't heard anything [from my customer]. No news is good news.

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Ryan Page - PeerSpot reviewer
IT Network Manager at MLSE

There is your regular day-to-day maintenance, e.g., the patches and updates. Because it sits at the edge, it is exposed to the world. With threats always being of concern, you often have to patch and update. However, it is nothing more than regular maintenance

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JATINNAGPAL - PeerSpot reviewer
Manager/Security Operations Center Manager at RailTel Corporation of India Ltd

The performance is okay, however, the product is not stable. It is all hit with CVL software bugs routinely. That portion requires attention from Cisco and the tech support in this area is somewhat delayed. An open ticket can sometimes take more than two to three months to resolve. For the production setup, it is tough to rely on the tech team alone for the closure of the case.

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Nagendra Nekkala - PeerSpot reviewer
Senior Manager ICT & Innovations at Bangalore International Airport Limited

Cisco Secure Firewall is a stable solution.

I rate Cisco Secure Firewall ten out of ten for stability.

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ArunSingh7 - PeerSpot reviewer
Computer Operator at a retailer with 5,001-10,000 employees

Stability-wise, I rate the solution an eight out of ten.

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CW
Security Engineer at a government with 501-1,000 employees

I haven’t had a product die. The products failover really fast, and we can cluster them. The product is definitely many nines of reliability.

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Rene Geiss - PeerSpot reviewer
Network Engineer at a computer software company with 51-200 employees

It's reliable.

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JP
Network Engineer at Ulta Beauty

It is pretty stable. I haven't seen many issues during the past four years.

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HP
Senior Solutions Consultant at a comms service provider with 10,001+ employees

The solution is stable. It's very reliable. It doesn't crash or freeze and doesn't seem to be plagued by bugs or glitches.

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PC
Security Architect

The stability depends on the version. The latest versions are pretty good. Most of the time, we wait for one or two minor version updates before using the new major version because the major versions go through a lot of changes and are still a bit unstable. For example, if you take 6.3, it started to be pretty stable with 6.3.03 or 6.3.04.

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Ibrahim Elmetwaly - PeerSpot reviewer
Presales Manager at IT Valley


Regarding stability, I would rate it as moderate. In my assessment, based on feedback from analytics scenarios, I would assign it a rating of approximately eight out of ten.
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DJ
IT Consultant at ACP IT Solutions AG

When you configure it, it's very stable.

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FS
Security engineer at a energy/utilities company with 10,001+ employees

It is stable for the most part.

There is maintenance needed for software, firmware, and updates. Three or four people keep up with the updates, etc. 

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PR
Senior Network Engineer at a manufacturing company with 1,001-5,000 employees

So far, it has been very stable.

It does require maintenance. There is a team of two who manage it.

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Jure Martinčič - PeerSpot reviewer
Engineer Specialist at Telekom Slovenije

We were on version 6.2.2 but now we're up to version 7.7.0, and it has really improved. It was not hard to implement but there were many bugs in the earlier version and some were serious, but now it's stable. There are no more bugs. It's really getting better. I would recommend Firepower to every customer now because it's stable. It's a really nice firewall.

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SM
Team Leader Network and Mail Team at a energy/utilities company with 10,001+ employees

The robustness of the ASA is very good. Whenever you upgrade it, it does very well. There are no hiccups or hitches, post-upgrade.

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it_user68991 - PeerSpot reviewer
Manager of Engineering with 1,001-5,000 employees

I have not encountered any stability issues; this is a solid firewall platform. Stability is where it shines.

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TO
Solutions Architect at Acacia Group Company

We did not have any stability issues with Cisco Secure Firewall.

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KH
Systems Engineer at a engineering company with 5,001-10,000 employees

I've never had a stability problem with firewalls.

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FS
Networking Project Management Specialist at Bran for Programming and Information Technology

We have not encountered any stability issues. The only issue we faced was with another company that did not have proper cooling systems in their data center.

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MK
Security admin at a wholesaler/distributor with 10,001+ employees

There is room for improvement when it comes to stability. We have encountered a lot of bugs using this solution.

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GU
Senior Network Engineer at BCD Travel

The solution is not stable. There seems to be always some issues. This is not ideal when you are running a system in a data center environment.

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MB
Director IT Security at a wellness & fitness company with 5,001-10,000 employees

Once it is deployed, not much staff is required as long as the intrusion rules are specifically configured to automatically update. That is the primary thing. Then, the continuous periodic updates from Cisco apply operating system patches just to make sure that critical vulnerabilities are patched and operating system optimization is applied routinely. Strategy-wise, I would patch quarterly unless there was a critical vulnerability that Cisco would discover, then apply a patch against it. At which point, we would then patch our appliance.

The stability is very good. As far as I can tell, we don't have any issues with availability or stability.

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MS
VSO at Navitas Life Sciences

So far, it has been stable.

We have around 32 people for maintenance. Our NOC team works 24/7. They are the team who manages the solution.

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Akshit Chhokar - PeerSpot reviewer
Technical Solutions Specialist - Networking at Google

I have faced no issues with the stability of the product. Stability-wise, I rate the solution an eight out of ten.

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KB
Data center design at a comms service provider with 10,001+ employees

It's reliable. It doesn't have all the features of some of the newer firewalls, but it's very reliable. It doesn't break. It's pretty rock-solid.

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Md Mahbubul Alam - PeerSpot reviewer
Head of Information Security Division at Prime Bank Ltd.

The solution is stable.

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MZ
Senior Network Administrator at a comms service provider with 201-500 employees

We have a lot of issues with the stability of Cisco Firepower.

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CT
Analytical Engineer at a pharma/biotech company with 10,001+ employees

The stability is pretty good. They are keeping up the good work and making updates to the current platform. 

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LS
Network Administrator at Bodiva

The solution is stable up to a point. We have had some troubles making VPN connections with other technologies, such as Check Point. We have some of our clients that have Check Point equipment on their side, and sometimes the traffic ceases. We then are forced to reset the tunnel in order to get the traffic back.

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SN
IT Manager, Infrastructure, Solution Architecture at ADCI Group

The stability of this solution is great. The Cisco name and hardware are enough. The product is used in tier four data centers, so it is very trusted and very dependable. If you compare Cisco to others, the high industry and high workload have gone to Cisco. Stability is very, very high.

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BG
System Administrator at ISET

For our users, there are rules for the students and staff have another RF for authorization. There are small file servers also within the domain controller. 

There is no special restriction for the students. They can print. They can visit outside websites online, but there is no gambling allowed at other sites.The students can access whatever they want over email or HTTP. Only the gambling and the betting sites, they cannot install the software. There are restrictions. 

The students can use their own mobile phones or wireless devices, whatever they want. They are using the shared public key authorization. Our institution doesn't have any restrictions about accessing legal data. Except in Georgia, we have a very big problem with gambling websites. There are a lot of gambling websites, so we are trying to restrict all of the gambling sites at our company. We have a contract for the next year. 

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TI
Senior Network Consultant at a healthcare company with 1,001-5,000 employees

Its stability is good. We have a failover standby solution that works fairly well. It can have some improvements, but we are happy with it.

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RW
System Administrator at a healthcare company with 501-1,000 employees

There are no complaints about performance or stability.

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PC
Senior Engineer at Teracai Corporation

It's very stable. We've had no hardware issues at all and only very infrequent software configuration issues.

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AE
Technical Consultant at Zak Solutions for Computer Systems

The solution is extremely stable. We don't have any issues whatsoever. It doesn't have bugs or glitches. It works well. Occasionally, it may need patches, however, there's very little downtime.

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IK
Network Engineer at a tech services company with 5,001-10,000 employees

Cisco is known for its general stability.

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Francisco Gaytan Magana - PeerSpot reviewer
Network Architecture Design Engineer at a comms service provider with 10,001+ employees

This is a very stable solution. 

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Tim Maina - PeerSpot reviewer
Network Engineer at a tech vendor with 5,001-10,000 employees

The ASA has been very stable for us. Since I deployed the ASA 5585 in our data center, we've not had to resolve anything and I don't even recall ever calling TAC for an issue. I can't complain about its stability as a product.

Our Cisco ASA deployment is an Active-Standby setup. That offers us resilience. We've never had a case where both of them have gone down. In fact, we have never even had the primary go down. We've mainly used that configuration when we're doing code upgrades or maintenance on the network so that we have full network connectivity. When we're working on the primary, we can switch over to the standby unit. That type of resiliency works well for our architecture.

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AlexEng - PeerSpot reviewer
Systems Engineer at a healthcare company with 201-500 employees

There are a lot of things that can be improved. As a Cisco partner, I usually take the first hit if something doesn't work. In recent years, the solution has improved and is more stable. But it has to continue to improve in that direction.

A Firepower firewall is a very important point of exit and entry to a network. It's a critical piece of infrastructure. They should have high availability.

By comparison, I am also a huge fan of Stealthwatch (Cisco Secure Network Analytics) and I use it everywhere. I've been working with that solution for 15 years but it's not mission-critical. If it doesn't work, your boss is not calling you. If it doesn't work, it is not collecting telemetry and it doesn't do its job, but you are not stressed to fix it. With firewalls, it's a little different.

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RG
Network & Security Engineer at Oman LNG L.L.C.

It is stable, but it also depends on whether it is properly configured or maintained. If you don't apply the proper patches recommended by Cisco, you could face a lot of issues. If the firewall is up to date in terms of patches, it works smoothly and is stable.

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MB
Voice and data infrastructure specialist at a tech services company with 1,001-5,000 employees

The solution is great in terms of stability.

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MB
Head of Network Administration Section at Zemen Bank S.C.

It is stable. It needs to be configured based on the standards and functionality. We have one device that has been working for more than 10 years, which indicates it is stable, but it requires licenses to upgrade features.

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RF
Data Analyst at a hospitality company with 201-500 employees

The solution has been quite stable.

Most of the clients that we deal with use this solution. No one has ever complained about having a breach or anything, to the best of my knowledge, even though we see some people combine different firewalls together, and use them alongside Cisco ASA. So far, we've not had any issue with Cisco ASA. It's reliable and keeps our clients safe.

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Vinay-Singh - PeerSpot reviewer
Manager IT & Security at mCarbon Tech Innovations Pvt., Ltd.

It's a stable solution. I have not had any issues.

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MC
System programmer 2 at a government with 10,001+ employees

There are some stability issues. We ran CheckPoint for years and didn't have problems with the firewall itself. However, with Firepower, in the past two years, we've had two major crashes and a software bug switchover.

We were debugging NAT rules. I did a show xlate for the NAT translation, and the firewall rebooted itself.

It has only been three instances in two years, but when I compare the stability to that of CheckPoint, it seems higher. CheckPoint just seemed to run.

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RS
Senior network security, engineer and architect at a computer software company with 5,001-10,000 employees

The stability is very good. It has been a very stable environment. Since the new AnyConnect came out, it's been very easy to use and very much self-sufficient.

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AS
Senior Network Architect at a tech services company with 10,001+ employees

It is stable and secure. There are a few bugs, etc. Overall, we are very happy with it. We have never looked at anything else because it works so well. I would rate the stability as 10 out of 10. It is very good.

There is maintenance. We have to keep an eye out for software upgrades and forced changes to the configuration. We have a network operations team of 15 people who take care of these things from day to day.

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CE
Network engineer at a government with 10,001+ employees

They're pretty reliable. Even from a hardware perspective, we haven't lost any power supplies or the like. An ASA works until we remove it. The maintenance is very minimal. 

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AR
Lead Network Engineer at a government with 1,001-5,000 employees

The solution is pretty solid in terms of stability, however, I prefer Palo Alto. For the enterprise world, it's better to have Palo Alto. For the service provider field, Firepower is quite well suited, I'd say. That said, Palo Alto, is definitely the enterprise way to go. For a smaller deployment, you can also go with FortiGate. It's simple, however, it works for smaller offices.

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ZK
Lead Network Security Engineer at TechnoCore LTD

I have seen devices working without any issues and/or without a reboot of the device for many years (although I do not recommend this) running on base versions of the software, and I have seen an out-of-the-box fresh install having many stability issues. However, overall my impression is that the most recent software versions are very stable without any evident underlying issues.

Keep your software up-to-date and the solution should be stable.

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KUMAR SAIN - PeerSpot reviewer
Sr. Network and Security Engineer at Shopper Local, LLC

The stability is good. It's the best, around the world.

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BL
Network Engineer at a construction company with 1,001-5,000 employees

In my current role, I have not encountered any stability issues.

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TM
Solutions Consultant at a comms service provider with 10,001+ employees

Once installed, it's quite stable. We don't have many issues after it's deployed. Both the hardware and software are quite stable.

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JK
Specialist WINTEL Services at Descon Engineering Limited

It is a stable product.

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Imran Rashid - PeerSpot reviewer
IT/Solutions Architect at a financial services firm with self employed

Cisco Firepower NGFW Firewall is a stable solution. 

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AM
Network Engineer at LEPL Smart Logic

It is very stable because it is based on the Cisco ASA Firewall hardware, which is an old-generation firewall. I have had Cisco ASA Firewall for more than 10 years, and they have been working fine till now. So, Cisco Firepower NGFW Firewall's performance and stability are the best. I have never seen any issues or heard from anyone that it is bad.

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EH
CEO at NPI Technology Management

The solution is solid. It's a big advantage of choosing Cisco. There are no worries about stability at all.

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EV
IT Infrastructure Specialist at RANDON S.A

The stability is okay. It's robust enough to support the business we have. We haven't had any major issues with the product itself. Of course, we don't touch them frequently because it's a security deployment so it's not the type of thing where we make changes every day. Once we deploy them, and deploy the policies, we don't touch them frequently.

We have one issue at one of the sites, at times. There is a power outage at the site and the virtual machine itself crashes. We have to recover from the crash and reinstall the backup. It's something that is not related to the product itself. It's more that our infrastructure has a problem with power which led to a firewall problem, but the product itself is not the root cause.

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LF
Security Governance at a comms service provider with 1,001-5,000 employees

Yes, a memory leakage issue which literally freeze the nodes (we have an HA environment). The issue is still not solved and the only recommendation from Cisco is to reboot the node.

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PK
System Engineer

My opinion is that this solution is quite stable.

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MS
VSO at Navitas Life Sciences

We have not, as of now (touch wood) faced any issues. It's stable, and we don't face any performance issues as well. It's reliable. There are no bugs or glitches. It doesn't crash or freeze.

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Sergiy Ovsyannyk - PeerSpot reviewer
VP Network Engineering at a computer software company with 501-1,000 employees
VW
Network Engineer at a computer software company with 201-500 employees

It is stable.

We just run updates on them. I don't know if we have had to do any hardware maintenance, which is good.

View full review »
Michael Mitchell - PeerSpot reviewer
Network Engineer at Utah broadband

Cybersecurity resilience has been outstanding because it is very stable. There are not a whole lot of upgrades that we need to do for the firmware.

Four engineers support it. From time to time, there are firmware upgrades that we need to keep up to date with. Sometimes, we need to run debugs to figure out what's going on with it, and if it needs a patch, then we will figure it out. Usually, Cisco has been really good about getting us that.

View full review »
MC
Engineering Services Manager at a tech services company with 201-500 employees

I haven't really had any major complaints or issues with Firepower 7.0 stability.

View full review »
AM
Network Engineer at LEPL Smart Logic

It is very stable. It has been five years since I have configured them, and they have been up and running.

View full review »
AA
Deputy Manager at Star Tech Engineering Ltd

It's a stable product.

View full review »
VG
Co-Founder at Multitechservers

The stability and availability are very good. there are no bugs or glitches. It doesn't crash or freeze. it's a reliable solution. 

View full review »
Heritier Daya - PeerSpot reviewer
Network Administrator at a financial services firm with 1,001-5,000 employees

This is a reliable solution.

We started with version 5.4, but there were many releases available on the website and we were obliged to aggregate, step by step, to reach the current version.

View full review »
FL
Team leader at J.B. Hunt Transport Services, Inc.

This is a highly stable solution.

View full review »
MD
Network & Security Administrator at Diamond Bank Plc

The stability of the Cisco ASA platform is okay. I know that Palo Alto is the first rated one, followed by Fortinet.

View full review »
Karthik Venkataraman - PeerSpot reviewer
Senior Consultant at Velocis Systems

It is stable.

View full review »
MF
Network Engineer at a financial services firm with 10,001+ employees

Its stability is very good.

View full review »
Tushar Gaba - PeerSpot reviewer
Technical Solutions Architect at NIL Data Communications

From the stability standpoint, it's way better. Is there a scope for improvement? Of course. There always is. But I can just speak from my experience. What it was and what it is today, it is way better.

View full review »
SG
Network Automation Engineer at a financial services firm with 1,001-5,000 employees

The stability of the solution is a 10 out of 10.

View full review »
BB
Network Engineer at a university with 1,001-5,000 employees

I would rate the stability as 10 out of 10.

We do maintenance for software updates, etc. I don't think we have had any major hardware failures.

View full review »
AS
CSD Manager at BTC

The ASA is stable. There may be some small stability issues, when compared to others, but it is a stable product. There could be enhancements to the ASA in this area when compared to other vendors, but it is not a problem with the product.

View full review »
JM
Head of Information Communication Technology at National Building Society

The ASA is utilized 100 percent of the time. It's up all the time as it's a perimeter firewall. It's always up. It's our first line of defense. It's quite robust, we've never had issues with it. It's very stable.

View full review »
NJ
CTO at a tech vendor with 1-10 employees

Our clients feel that Cisco has proven stability in enterprise networking, routers, and ASA firewall security.

View full review »
YP
Principal Network Security Manager at a tech vendor with 10,001+ employees

The most valuable property is the stability. It doesn't crash.

View full review »
AN
Network Engineer at LIAQUAT NATIONAL HOSPITAL & MEDIACAL COLLEGE

The firewall is stable, however, every two, three, or four years, you have to change the hardware and therefore get an updated version of the firewall.

This is something which companies have been doing for the sake of a new product and launching a new device. Yet, the stability needs to be considered where you have to upgrade for every two, three, four years and change the product and go for the new updated version. What I mean is that there is stability, however, obviously, it's not long-term.

View full review »
DC
Network Engineer at CoVantage Credit Union

It's pretty stable. There are times where I'll get an email saying a process has stopped. But a few seconds later, they'll say it restarted it on its own. It's hardy enough that if it is having problems, it's bringing things back up. For the most part, it's been very reliable.

It's been really good. And even so, if I've had to reboot the actual appliance, I'll bring it back up and it's good to go.

View full review »
AG
Consultant at HCL Technologies

The product's stability is perfect. From my observation, the mean time to failure is once in seven years or eight years. All the hardware in the device is quite stable. I haven't seen any crashing of the operating system.

View full review »
it_user212682 - PeerSpot reviewer
Network Consultant at a tech consulting company with 51-200 employees

I have not encountered any stability issues with the IOS version or the IPS version. I am currently running IOS 9.3.2 and IPS version 7.3(2)E4.

View full review »
ZM
Network Engineer at EURODESIGN

It's very stable now. Everything is fine for me.

View full review »
GD
Cybersecurity Architect at a financial services firm with 5,001-10,000 employees

The stability is unparalleled.

All solutions require maintenance, and we do that routinely. Anywhere from three to four people from the network teams to application owners are involved in the maintenance. This is a firewall in production, so we need to do maintenances after hours, but it would be nice if we didn't need to do it after hours

View full review »
HR
Director of network ops at a non-profit with 51-200 employees

We've had issues with it because we always run it in pairs for high availability. We've had issues with the unit, but not in the last five or six years. It's pretty, pretty stable.

View full review »
BL
Enterprise Architect at a tech services company with 51-200 employees

I have never had any problems with stability. In the 20-plus years that I have used them, I don't think I have ever had a failure on them. They have always been rock-solid.

View full review »
AliTadir - PeerSpot reviewer
Owner at Nexgen IT Solutions

The stability is getting better day by day, but I would expect a more stable solution, to be honest. It is stable now, but we have solutions that are more stable.

View full review »
WS
IT Consultant at Hostlink IT Solutions

It is stable.

View full review »
WM
Head of ICT Infrastructure and Security at City of Harare

The product is very stable. We've not had any challenges with it in all this time. It performs very well.

View full review »
CS
Sr Technical Consultant at a tech services company with 51-200 employees

It is very reliable.

View full review »
EL
Technical Specialist, consultant at a computer software company with 10,001+ employees

It is stable and reliable.

View full review »
MG
Senior Network Administrator at a construction company with 1,001-5,000 employees

The stability of the solution is very good. We can see that it gets even better with every release.

View full review »
ME
Director of network engineering

For the most part, it's stable.

View full review »
DJ
Network Systems Manager at a computer software company with 5,001-10,000 employees

It's been very stable. I don't think we've ever had an issue with it failing entirely.

View full review »
MS
Senior Systems Engineer at a tech services company with 201-500 employees

Its stability is quite good. We couldn't find any issues.

View full review »
JV
Project Engineer at Telindus B.V.

Firepower is rock-stable. So far, I have not seen any failed firewall. The only thing that was not quite stable in the past was Firepower Management Center, but since version 6.6 that has also been rock-stable. I haven't had any failed components in the last couple of years. I did have them two years ago and further in the past, where firewalls were not functioning and needed a reboot, but since 6.6, the stability is very good. We don't have priority-one tickets anymore.

View full review »
HP
Technical Consulting Manager at a consultancy with 10,001+ employees

I see a lot of improvement in terms of stability but it's still not 100%. We still have bugs and things will go wrong that will cause the system to not function and we will have to reboot and restart. That is something that Cisco should fix. 

View full review »
MH
Security architect at a computer software company with 51-200 employees

This is a stable solution. 

View full review »
PS
Network security engineer at a tech services company with 1,001-5,000 employees

It is stable and reliable. If you are looking for security from Layer 1 to Layer 4, Cisco ASA is good, but if you are looking for Layer 7 security, deep security, and malware detection, this is not the right product. You have to use some other product.

View full review »
CB
Networking Specialist at a healthcare company with 1,001-5,000 employees

We have five devices. In Rome, we don't have a technician and didn't work when we started using it. We had to send a technician to Rome to reboot the system. Now, it is stable with no problems. Also, we lost the link to the high availability firewall in our data center. We only had one device there, and Solutel had to solve this issue.

View full review »
TG
Lead Network Administrator at a financial services firm with 201-500 employees

The stability is pretty good. We went through several code revisions from being on the ASAs on 6.2, all the way through the new FirePOWERs, moving them to 6.4.

Unfortunately, we had the misfortune of using a particular set of code that later was identified as a problem and we had a bit of an upgrade issue. We were trying to get off of 6.3.0 on to 6.3.0.3. The whole system fell apart and I had to rebuild it. I had to break HA. We ended up having to RMA one of our two FMCs. I'm only now, a couple of months later, getting that resolved.

That said, I've had six or seven upgrades that went smoothly with no issues.

View full review »
NC
Technology Associate at a financial services firm with 1-10 employees

It has generally been okay in terms of stability. We haven't had it go down, but we do have some interruptions. I don't know if it is the ISP or the firewall. We have more frequent network disruptions, and other branches call in telling us that they are unable to use their services to do their job. Unfortunately, we can't really do anything about it. It just clears up in about five or six minutes. In terms of stability, I would give it a seven and a half out of 10.

View full review »
it_user221862 - PeerSpot reviewer
Cloud Engineer at a tech services company with 1,001-5,000 employees

No issues with stability.

View full review »
FV
Admin Network Engineer at Grupo xcaret

It has very good stability.

View full review »
BW
Network analysis at a government with 1,001-5,000 employees

It is highly stable.

View full review »
WM
Consulting Engineer at IV4

I am very happy with its stability and the product in general.

View full review »
SA
Senior Network Engineer at a consultancy with 1,001-5,000 employees

The solution is stable. Last year, we deployed it in more 32 countries and it has been stable since the deployment. We haven't had any issues with the firewall. If we have any issues, it is usually due to the power. The solution itself is stable.

View full review »
MC
Senior System Engineer at a tech services company with 11-50 employees

My impression of the stability of the solution is that it's very good.

View full review »
Ahmed Nagm - PeerSpot reviewer
IT Solution Consultant at PCS

My impression of the stability of this solution is that it's great, excellent! 

View full review »
RP
Systems Administrator at Universal Audio

It has been relatively stable, in the sense that it stays up. It doesn't die on us.

View full review »
RM
Network Engineer at a tech services company with 51-200 employees

Its stability is really great. It is very stable. We didn't have to worry about it. In the IT world, every time you go on holiday, you think that something might break down, but that was not the case with Cisco ASA.

Initially, we had just a single firewall, and then we moved to high availability. Even when it was just one hardware without high availability, we didn't have any problems. Apart from the planned maintenance, we never had any downtime.

View full review »
PW
Senior Network And Security Engineer at a pharma/biotech company with 201-500 employees

I have had little to no issues except with the first version that we had. There was a known issue with Cisco in the first version. When I went to do a restore, there was a known issue with something with the Linux kernel. It took us about two weeks to get the restore working. It was a scary moment for us, but we worked through it, and ever since we've had no issues, stability-wise.

View full review »
SZ
General Manager at MS Solutions Ltd.

The stability is good.

View full review »
HT
Presales Engineer at a comms service provider with 51-200 employees

Normally, we don't have any problems with stability. That said, when we have problems, it may be difficult to resolve quickly. The tech from Cisco is really good. However, we have some problems that take more time. Issues haven't come up very often. We've only had two or three problems over ten years that took a while to resolve. Largely, it's quite stable. 

View full review »
TH
President at a tech vendor with 11-50 employees

I've had a couple of issues. Way back, they had a power supply that had to be changed out. They also had some issues with the 5500 series. Other than that, they're pretty rock-solid.

View full review »
it_user861456 - PeerSpot reviewer
Senior Information Security Engineer at a financial services firm with 501-1,000 employees

We haven't had any major issues in regards to stability. In general, there are best practices in the industry to use. It's never really mattered because generally, with firewalls, you have two in any given location or service. They seem to be redundant of each other. So there's never been a problem where we lost functionality because of the firewall.

View full review »
WB
Network Engineer at a comms service provider with 1,001-5,000 employees

It is a stable solution. It is predictable when using different protocol and mechanics.

View full review »
MT
Information Security Administrator at Bank of Namibia

Stability is excellent.

View full review »
HJ
Senior Executive Technical Support at AITSL

It is very stable. We have routers entirely from Cisco, which are still working after ten years of deployment. I would rate the stability as a nine out of ten.

We have two people maintaining it. It does not require intensive work. We have an expert in switching technology, and another person who is knowledgeable in routing and network security.

View full review »
NP
CEO at Synergy IT

I would rate their stability a nine out of ten. It's pretty stable. I never come across a situation where the firewall hangs and then I need to reboot it.

View full review »
it_user244500 - PeerSpot reviewer
Constructor of the computer systems at a security firm with 51-200 employees

Occasionally, the packet rate falls unexpectedly.

View full review »
GS
Information Security and Compliance Manager at RSwitch

The solution is stable. It's not hanging. With the firewalls from Cisco we are not facing a situation where devices are hanging because of too much traffic.

View full review »
Johan Derycke - PeerSpot reviewer
Network Security Engineer at Smals vzw

It is rather stable. It can have some peculiarities, but most of the time, it is quite stable.

View full review »
VM
SOC & SECURITY SERVICES DIRECTOR at BESTEL

The solution is very stable and we feel very secure with it. 

View full review »
FB
Sr Network Administrator at Orient Petroleum Inc

The solution is reliable. We have been using it for more than a couple of years and we haven't had any problems. There's been no downtime and no hardware failures. It's pretty stable.

View full review »
JF
Cisco Security Specialist at a tech services company with 10,001+ employees

The stability of the ASA is perfect. There is no downtime. And you can have redundancy as well. You can have two ASAs working in Active-Passive or load balancing. If the product needs a restart, you don't have downtime because you use the other one. From that point of view it's very robust.

View full review »
DS
IT Specialist at a government with 1,001-5,000 employees

Stability has been pretty good, so far.

View full review »
BS
IT Administrator at Vegol

The stability is good. Very simple. Upgrades are great. But when we upgrade it, things break. You have to upgrade about three things before you get something stable.

View full review »
NA
IT Infrastructure Manager at Beltone Securities Brokerage S.A.E.

I found that Cisco ASAv is a really stable solution. 

View full review »
CR
Network Engineer at a media company with 51-200 employees

It is a very stable solution. 

View full review »
AA
Technical Manager at a comms service provider with 1,001-5,000 employees

Stability is perfect. I haven't had any problems. 

View full review »
MG
Partner - Consulting & Advisory at Wipro Technologies

The stability is alright.

View full review »
JM
Network Consulting Engineer at a energy/utilities company with 10,001+ employees

It is very stable.

View full review »
FT
IT Adviser/Manager with 51-200 employees

There were no stability issues.

View full review »
it_user398799 - PeerSpot reviewer
Sr. Security Analyst with 1,001-5,000 employees

We did somewhat have stability problems. Upgrading the ASA, ASDM, and SFR can be a pain if you have as many firewalls as we do (21). Once you can get them to fall under FPMC management it can be a little easier, but it is a battle to get to that point.

View full review »
EL
Network Engineer at a government with 10,001+ employees

Cisco Secure Firewall ASA's stability is good.

View full review »
LA
Lead Network Engineer

In terms of stability, it is a really good product and platform. Overall, it's great.

View full review »
JJ
Network Engineer at a computer software company with 51-200 employees

For newer hardware models, the stability is good. We've tried to run Firepower on some of the legacy-supported hardware as well, but with the stability issues, they are not as good. If I were to judge based on the hardware that I have, I'd say it's good. I haven't had any issues with the stability on my platform.

View full review »
JG
Gerente de Unidad at Redescomm, C.A.

This is a very stable product.

View full review »
SA
IT Infrastructure Engineer at Atlas Group

It's a very mature product and runs smoothly.

View full review »
ON
Managing Director at Fasp

This solution is completely stable, and we have not had any issues.

View full review »
DC
Senior Network Administrator at a financial services firm with 1,001-5,000 employees

The solution itself is good as far as stability.

View full review »
FF
Cloud Services Operation Engineer at Informatic Services Company (ISC)

Normally, in ASA, we have good stability.

View full review »
DF
LAN admin at Cluj County Council

This product is very stable. Before installing Cisco ASAv, I had two or three viruses in my network. Since installing ASA, I have not had any problems with viruses. There is a huge difference with and without ASA.

View full review »
PR
Information Systems Manager at a non-profit with 1-10 employees

Stability is fantastic. 

View full review »
PD
IT Manager at a construction company with 11-50 employees

The product crashes. We have a cluster of firewalls and we regularly get failovers.

View full review »
it_user560229 - PeerSpot reviewer
Security Engineer at a healthcare company with 1,001-5,000 employees

We did not have any problem with the previous (v7) version but when we upgraded to (v8) the new version, we were well aware that there would be some bugs and issues that would require resolution.

View full review »
PS
Network security engineer at a tech services company with 1,001-5,000 employees

This is a very reliable solution.

View full review »
GK
IT Manager

My impression is it's a stable solution. I could sound biased, but if you have a device working for four years and it's still working and people are using it, then it's stable.

View full review »
CS
Network Engineer at a financial services firm with 5,001-10,000 employees

It's quite stable. In the past though, colleagues have had issues during the upgrade process. The failover didn't work and production was down. 

View full review »
RM
Technical Specialist with 5,001-10,000 employees
it_user700158 - PeerSpot reviewer
Senior Network Security Engineer at a university

I've never seen a firewall that didn't need an RMA at some point! And that is true of the ASA, however, the failure rate (in my experience) has always been very low with ASA's (and Cisco equipment in general).

View full review »
it_user391305 - PeerSpot reviewer
Member of the Board of Directors at a tech services company with 1,001-5,000 employees

We have not had stability issues.

View full review »
it_user579180 - PeerSpot reviewer
Networking Specialist at a insurance company with 1,001-5,000 employees

We didn't encounter any issues with stability.

View full review »
KB
Senior Network Designer at ODI

I have heard about some bugs, but I have never encountered any.

View full review »
it_user264462 - PeerSpot reviewer
Technolgy Analyst/Lead at a tech services company with 10,001+ employees

Sometimes there is an issue with the site-to-site VPN.

View full review »
GF
Security Consultant at IKUSI

The stability of the solution is pretty good. I don't recall having issues with this aspect of the solution.

View full review »
SG
Senior IT Analyst at a insurance company with 51-200 employees

It's stable. If there is ever a problem, it never seems to be the firewall.

View full review »
NS
IT manager at IRPC PCL

This is a stable solution. 

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it_user1436289 - PeerSpot reviewer
ICT Systems Engineer at a insurance company with 11-50 employees

This product is pretty stable.

View full review »
MA
Network Security Engineer at qicard

I believe that Cisco is one of the most stable firewall solutions. Compared to other solutions, Cisco has a better stability record than others. That's why we like it a lot.

View full review »
CS
Information Security Manager at a financial services firm with 501-1,000 employees

With regards to stability, we had a critical bug come out during our evaluation.

View full review »
IY
Assistant Manager (Infrastructure) at SISTIC

Yes, we found some firmware bugs and Cisco took some time to fix them. We needed to escalate the issue to the account manager to expedite the escalation process.

View full review »
SC
ICT Manager at a aerospace/defense firm

V8.2 is very stable. With the latest versions it's still early to tell.

View full review »
ON
Network & Systems Administrator Individual Contributor at T-Systems

The solution is very stable. We've found it to be extremely reliable. There are not bugs or glitches. It doesn't crash or freeze.

View full review »
it_user1141920 - PeerSpot reviewer
Systems Engineer at a tech services company with 11-50 employees

If you stay on the recommended releases, Firepower is very stable. Cisco has had a lot of trouble and issues with Firepower since they acquired Sourcefire, and some of the issues or problems are still there. But if you stay on the recommended releases you shouldn't hit that many errors or bugs. It can be stable, but it can also be very unstable if you jump on the newest release every time.

View full review »
DH
Network Administrator at a transportation company with 201-500 employees

The stability needs improvement.

View full review »
AA
Sr. Network Engineer at a construction company with 10,001+ employees

The stability is good, we have not had any issues.

View full review »
AA
IT Consultant at MOD

It's very stable.

View full review »
GZ
Data Center Architect at Fronius International

The stability is getting better but we had some firmware issues. 

View full review »
EE
Senior Data Scientist & Analytics at a tech services company with 11-50 employees

Stability really depends on the software that you use. If you use the suggested software that Cisco suggests, you will see a highly robust and highly stable system. A crash or block will never happen to you. It really depends on the version that you are using. Definitely check the release notes before installation.

View full review »
KS
Technical Services Manager at a comms service provider with 10,001+ employees

The stability of the product is good.

View full review »
JK
IT Manager at a manufacturing company with 51-200 employees

It is a stable solution.

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SC
IT SecOps Manager at a computer software company with 1,001-5,000 employees

There are no real stability issues, if upgrades are done carefully.

View full review »
AK
Senior IT Networking and Security Manager at a tech services company with 10,001+ employees

I can say that this product is one of the most stable products I have ever worked with.

View full review »
GS
Security Consultant at a tech services company with 501-1,000 employees

We did not encounter any issues with stability. Cisco Firepower FW is very stable in all of the deployments we have made.

View full review »
it_user380502 - PeerSpot reviewer
Principal Network Engineer at a tech services company with 51-200 employees

Stability issues did not occur in my experience, as long as we stayed with the correct image builds.

View full review »
it_user216468 - PeerSpot reviewer
Consulting Engineer at a tech services company with 5,001-10,000 employees

Overall, the systems are stable and IT admins have control in to how the sensors operate within the network in the event of failure.

View full review »
VM
Systems Administrator\Ag. IT Manager at a construction company with 201-500 employees

It is very stable.

View full review »
OB
Principal Network Engineer at a manufacturing company with 501-1,000 employees

They've been using it for five years and my assumption is that it's been good for what they needed it t do. However, they were consulting to move forward with something different.

View full review »
TR
Tier 2 Network Engineer at a comms service provider with 1,001-5,000 employees

We haven't had any issues with the firewalls.

The maturity of our company's security implementation is good. We are very satisfied as long as we maintain the software. It has needed to be updated quite a few times.

View full review »
LX
Network Specialist at a financial services firm with 501-1,000 employees

The stability is quite good. We haven't had issues. I've used them for five years now and I haven't seen any hardware failures or software issues. They've been running well. I would recommend them for their reliability.

View full review »
GV
Architect - Cloud Serviced at a comms service provider with 10,001+ employees

From a stability diagnosis, once I did the deployment it did not give me any issue for at least six to eight months. Once it went to a stable support, I did not see major problems. I don't think there were issues with stability.

However, the core upgrades frequently come in, so you need to be carefully devising that support management. From a stability perspective, if you are happy with your current stuff and you do not require past updates it would be very stable. If you're using an IPS, the only challenge would be past management. With Cisco having cloud integration and just firing one command and getting things done, it is still okay. It is a good stable product.

View full review »
BS
Information Security Officer at a non-tech company with 10,001+ employees

We have not encountered issues with stability of the solution.

View full review »
it_user3483 - PeerSpot reviewer
Senior Consultant at Unify Square

No, stability is a really strong point with ASA.

View full review »
AM
IT Operation Manager

Yes, FirePower is not stable, because every new software version comes with many features that cause problems. Cisco has to do it because other vendors have already added these features.

View full review »
AL
Network Security Coordinator at a energy/utilities company with 1,001-5,000 employees

In my experience with various Firewall solutions, the stability and reliability of Cisco ASAs is unparalleled.

View full review »
SI
Network and System Administrator at a pharma/biotech company with 501-1,000 employees

No issues with stability. The device is designed for hard work 24/7. I never have a lack of resources like RAM or CPU. The only reason I need to restart the device is during a software upgrade.

View full review »
ST
System Engineer at asa

This is a stable product and we plan to continue using it.

View full review »
NJ
Administrator at a university with 1,001-5,000 employees

I have found the stability of this solution really good, this is why I use it.

View full review »
YT
Information Security Manager at a financial services firm with 501-1,000 employees

It's stable. We have not had any issues with stability.

View full review »
Othniel Atseh - PeerSpot reviewer
Network Security Consultant at a consultancy with 1-10 employees

Cisco ASA is stable.

View full review »
JL
Ingénieur technico-commercial at ICBM

For me it is stable. It is amongst the best products in that way.

View full review »
it_user1073460 - PeerSpot reviewer
Security Solution Architect at a financial services firm with 5,001-10,000 employees

We didn't have any problem with its stability.

View full review »
DA
Computer Networking Consultant and Contractor with 51-200 employees

With Cisco ASA firewall, no.

View full review »
SS
Network Engineer with 201-500 employees

Yep, more than once, but only on one box out of the three we purchased. Suppose we got a lemon, because once replaced, everything was fine.

View full review »
RS
Network Security Consultant at a tech services company with 51-200 employees
it_user246819 - PeerSpot reviewer
Global Security Architect/Perimeter Systems Administration/Active Directory and System Administrator at a retailer with 1,001-5,000 employees

Not with the ASAs, with some early version PIX products.

View full review »
JL
Network Administrator at a manufacturing company with 10,001+ employees

The solution is stable. However, It does have some bugs, but Cisco always fixes them really quickly. Sometimes we have to restart and it would be better if the bugs could be fixed without having to reload.

View full review »
RP
System Administrator at a non-profit with 1-10 employees

The stability is good so far.  My opinion could change in another couple of months once we get more deeply involved with the solution.

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PC
Network Security/Network Management at a educational organization with 201-500 employees

We haven't had any problems with the stability so far.

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VA
Cyber Security Software Engineer at FireEye

It is stable. We put a good amount of stress on it.

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DH
‎Senior Vice President at a transportation company with 51-200 employees

It is fairly stable. However, Cisco suffers from some integration issues with other products, but this product, as a standalone, is fine. There is a problem with the Cisco Catalyst Switches in terms of assembling bursts and having them interact properly with the Cisco Firepower.

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it_user627855 - PeerSpot reviewer
Manager Network Security at a financial services firm with 5,001-10,000 employees

Rarely, due to software issues.

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MS
Network Architect at a tech vendor with 10,001+ employees

This is a stable solution. 

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WS
ICT Department Manager at ACC

We have not had to deal with stability issues.

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BD
Solutions Architect at a manufacturing company with 10,001+ employees

This solution is very stable, and I haven't seen any issues with it.

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AA
Network Operations Center Team Leader at a financial services firm with 10,001+ employees

It is a highly stable product. We rarely receive any serious outdates, so it works quite well. 

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MK
Asst.Manager IT at a manufacturing company with 501-1,000 employees

It is quite stable, it is able to detect. But the malware part should probably be upgraded. Performance-wise it is good and it has a long life.

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it_user698424 - PeerSpot reviewer
Network Engineer at a tech vendor with 10,001+ employees

There were no issues with the stability

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it_user477366 - PeerSpot reviewer
Security Technical Architect at a tech services company with 10,001+ employees

We did have stability issues with the FirePOWER software.

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MZ
Middle-Tier Admin Integrator at a tech services company with 51-200 employees

Nope -- If well planed you should be alright

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it_user243897 - PeerSpot reviewer
Cisco Systems Engineer at a tech services company with 1,001-5,000 employees

No, I have never had any problems with Cisco equipment regarding stability.

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JR
Enterprise Integration Architect at a insurance company with 10,001+ employees

It's a stable solution.

We have plans to continue using this solution in the future.

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it_user588258 - PeerSpot reviewer
Network Administrator at a healthcare company with 501-1,000 employees

There is not much to say about the stability of the product. Migration is the painful aspect of the solution.

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it_user208356 - PeerSpot reviewer
Security Engineer at a tech services company with 201-500 employees

Stability is really good, actually.

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RS
Network Security Consultant at a tech services company with 51-200 employees
it_user242529 - PeerSpot reviewer
Network Consultant at a tech services company with 51-200 employees

In general the ASA has a great software stability reputation, and even though SourceFIRE for ASA is still young, the stability seems to be rather good. Of course you can’t avoid all issues, and you might have to reinstall the SourceFIRE software on the modules. If you're upgrading the ASA from pre code 8.3, you will need to redo the NAT and access rules of the ASA.

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it_user222999 - PeerSpot reviewer
Network Security Engineer at a tech services company with 51-200 employees

No issues encountered.

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it_user234789 - PeerSpot reviewer
Chief Technical Officer at a comms service provider with 501-1,000 employees

It's a very stable product.

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SK
Senior MIS Manager at a tech company with 201-500 employees

The solution is quite stable. We have no problems with bugs or glitches. It doesn't crash or freeze. It's good.

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PK
Jr. Engineer at a computer software company with 5,001-10,000 employees

It's a stable product.

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TM
Group Information Technology Manager at a mining and metals company with 201-500 employees

The solution is stable, we haven't had any issues. If we need something, we go to a consultant. In terms of product stability, it works very well.

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it_user637233 - PeerSpot reviewer
Presales Consultant at a tech services company with 51-200 employees

Some releases of the unified image (FTD – Firepower Threat Defense – Cisco ASA + Sourcefire IPS) are not very stable, but things are getting improved.

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AM
IT Operation Manager

We have not had stability issues.

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MR
Network Security Engineer at a tech services company with 201-500 employees

I haven't found the stability to be very good. The IPsec stability leaves a lot to be desired. They really need to work on the solution's stability capabilities.

In ASA, I built the IPsec between ASA and Fortigate due to the fact that most of the time I have to restart the timer to flow the data.

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it_user1307058 - PeerSpot reviewer
Network Consulting Engineer at a comms service provider with 201-500 employees

I have not had problems with stability, although I have had some small issues with bugs. In general, I can operate without a problem. 

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SS
C.T.O at Sastra Network Solution Inc. Pvt. Ltd.

It's a very stable solution out of the box and we have not had any issues in our deployment.

We have 86% of the devices being used simultaneously.

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EM
Technical Manager at a comms service provider with 501-1,000 employees

The Cisco ASAv is really stable, especially if you compare it to Check Point. Not long ago Check Point did release one virtual firewall, and the virtual firewall of Check Point is not stable.

The hardware version of the firewall is more stable than the virtual one. In terms of the data center, many companies have a virtual data center in a group environment. Many companies want to have a virtual firewall, but the one from Check Point, in comparison to Cisco, is not stable at the moment. 

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it_user886188 - PeerSpot reviewer
Presales Engineer

So far, since we installed it, there have been no issues.

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it_user824748 - PeerSpot reviewer
Works at a comms service provider with 1,001-5,000 employees

REST API stability needs improvement in order for customizing resource allocation available to the user rather than just being there transparently. This way users can customize REST API and tailor it to their needs.

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it_user654645 - PeerSpot reviewer
Senior Network Specialist

We did not encounter any issues with stability.

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it_user341043 - PeerSpot reviewer
System and Network Administrator at a hospitality company with 501-1,000 employees

No issues encountered.

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it_user243879 - PeerSpot reviewer
Network Security Engineer at a tech services company with 1,001-5,000 employees

Sometimes, due to software bugs, but in the long run the ASA is a very stable product when compared to other vendors firewall solutions.

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RW
Cyber Security Consultant at a tech services company with 51-200 employees

It is extremely stable I would say — at least after you deploy it. Typically, there won't be any instability in terms of the hardware as well as the software. It can be running for many years without any issues. It's a totally different story when compared to other brands because, out-of-the-box, they offer far more features and are actually leveraged on more resources which leads to more instability.

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SH
Team Leader Network Egnieer at deam

The stability of Cisco ASA is excellent compared to other products on the market. The performance is good. Compared to Fortinet on the watchband firewall, it is indispensable. Because of our customer experience as an integration company, our clients never report any performance problems. We have good performance from Cisco ASA.

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it_user511224 - PeerSpot reviewer
IT Support Engineer

Since I installed and configured it, the client has never called with complaints.

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ED
Founder, CEO, & President at Krystal Sekurity

There were no issues with stability.

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VG
Network Security Engineer at a tech services company with 51-200 employees

It's stable. ASA works very well, and it's impressive. I use only ASA and only the Inline Mode. 

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MM
Lead Network Engineer at a tech services company with 51-200 employees

It is quite stable. We didn't have any issues or crashes, so we find it to be a solid solution.

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TS
IT Administration at a healthcare company with 11-50 employees

This is a very stable product.

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MM
Coordinator Network Support at a manufacturing company with 501-1,000 employees

There is no downtime, and it is working great. 

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it_user850275 - PeerSpot reviewer
Pre-sales engineer with 51-200 employees

It's very stable. 

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it_user590484 - PeerSpot reviewer
Sr Network Engineer at a tech services company with 501-1,000 employees
it_user293883 - PeerSpot reviewer
System/Network administrator at a computer software company with 501-1,000 employees

I have issues with some versions of Java and ASDM.

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it_user254346 - PeerSpot reviewer
Business Development Director with 51-200 employees

No issues encountered.

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ME
Solution Architect at a tech services company with 11-50 employees

This is a stable product and we plan to continue implementing it for clients in the future.

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it_user793611 - PeerSpot reviewer
Account Manager

Yes, there were stability issues due to memory issues in the cluster environment and Firepower misbehaved due to non-responding of service/process.

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it_user242523 - PeerSpot reviewer
Network Security Administrator at a tech company with 5,001-10,000 employees

There were some issues with stability prior to code version 9.2.x, more related to Clientless SSL and Client RA VPN solutions. Some bugs affected the integrity of these type of features.

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it_user241755 - PeerSpot reviewer
Senior Network and Security Engineer at a tech services company with 51-200 employees

One of the best things about ASA's is that they are very stable.

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MR
Programming Analyst at a tech services company with 201-500 employees

The solution is stable.

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KS
CEO & Co-Founder at a tech services company with 51-200 employees

Stability-wise, it is pretty stable. It is probably not very feature-rich, but whatever features we are using, they are pretty stable.

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GS
Center for Creative Leadership at a training & coaching company with 501-1,000 employees

It is stable. 

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it_user413292 - PeerSpot reviewer
Regional Manager - Pre Sales at a tech services company with 51-200 employees

Initially there were some stability issues, but in the long-run no.

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it_user682167 - PeerSpot reviewer
Network and System Engineer at a non-tech company with 201-500 employees

I did not encounter any issues with stability.

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it_user470943 - PeerSpot reviewer
ICT Manager - Network Operations at a healthcare company
it_user400626 - PeerSpot reviewer
Senior Network & Data Communication Engineer at a tech services company with 201-500 employees
it_user349320 - PeerSpot reviewer
Corporate Information Security Officer

We did not encounter any stability issues.

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it_user237144 - PeerSpot reviewer
Senior Technical Consultant - Network and Security at a tech services company with 51-200 employees

No issues encountered.

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it_user275442 - PeerSpot reviewer
Senior Presales Engineer at a tech services company with 501-1,000 employees

I heard about defect that were encountered by my colleagues, but not something that cannot be fixed using an upgrade.

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it_user237354 - PeerSpot reviewer
Sr. Network Engineer at a tech services company with 10,001+ employees

No issues encountered.

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it_user224271 - PeerSpot reviewer
Senior Network Architect/Owner with 51-200 employees

No issues encountered.

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it_user212700 - PeerSpot reviewer
Senior Network Engineer at a aerospace/defense firm with 51-200 employees

No issues encountered.

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it_user150300 - PeerSpot reviewer
Senior Network Engineer at a tech services company with 501-1,000 employees
HD
Network Engineer at a tech services company with 201-500 employees

The solution is largely stable. Once we adopted Cisco services, we found that everything was pretty reliable. There aren't bugs or glitches. It doesn't crash or freeze. It's quite good.

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it_user346116 - PeerSpot reviewer
I.T Security Consultant

No stability issues at all, the most stable firewall I’ve ever worked with.

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it_user614874 - PeerSpot reviewer
Gerente de Telecomunicaciones at a financial services firm with 1,001-5,000 employees

We suffered an attack and the firewall was down repeatedly.

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it_user240063 - PeerSpot reviewer
Network Security Engineer at a manufacturing company with 10,001+ employees

We had a slight issue with IPS, as the signature update was, sometimes, getting stuck.

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MZ
Program director at a tech consulting company with 201-500 employees

I think they're all are stable. I've never seen a firewall that's unstable.

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it_user430797 - PeerSpot reviewer
Network Engineer at a mining and metals company with 1,001-5,000 employees

We have never faced any stability issues.

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it_user200313 - PeerSpot reviewer
Security Consultant at Accenture
it_user821520 - PeerSpot reviewer
Information Systems Manager at a manufacturing company with 201-500 employees

Stability has been fine.

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it_user698436 - PeerSpot reviewer
ESS Security with 201-500 employees

No stability issues.

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it_user697185 - PeerSpot reviewer
Consultant

Yes, unexpected failure and no RCA provided by the OEM.

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it_user387540 - PeerSpot reviewer
I.T. Security/Projects Specialist at a tech services company with 501-1,000 employees

There were no issues with the scalability.

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it_user241749 - PeerSpot reviewer
Security Engineer at a tech services company with 501-1,000 employees

There have been some issues with Java.

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SF
System Engineer at a tech services company with 501-1,000 employees

It's a stable solution and we have not had any issues.

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OC
Network Engineer at IT Security

It performs very well. 

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it_user456837 - PeerSpot reviewer
Project Manager with 11-50 employees

We never had any stability issues. It is the most stable platform that I have used, and I have used several including Fortinet, Sophos, Hillstone, Cisco and D-Link.

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it_user242523 - PeerSpot reviewer
Network Security Administrator at a tech company with 5,001-10,000 employees

No issues encountered.

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MS
Network Security Presales Engineer at a tech services company with 51-200 employees

It's a stable product.

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it_user857937 - PeerSpot reviewer
ICT Manager with 1-10 employees

The Cisco solution that we have now is very stable. That is why we are interested in continuing with the Cisco solution and upgrading to the next generation.

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it_user674844 - PeerSpot reviewer
Executive Manager with 11-50 employees

I have not encountered any issue with stability.

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it_user240570 - PeerSpot reviewer
Network, Unix and Security Engineer at a tech services company with 501-1,000 employees

With versions 8.4.4 and version 8.4.6, they had a lot of bugs. Also, after I moved to 8.4.5, route lookup changed to NAT divert and that kicked me.

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it_user764139 - PeerSpot reviewer
Solutions Architect at a tech services company with 51-200 employees

No stability issues.

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BB
Security Consultant at a tech services company with 51-200 employees

This firewall is quite stable and we use it on a daily basis.

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it_user747591 - PeerSpot reviewer
Technical Administrator at a tech services company

No stability issues yet.

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it_user570603 - PeerSpot reviewer
IT Manager at a manufacturing company
it_user241743 - PeerSpot reviewer
Network System Engineer with 51-200 employees

No issues so far.

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Buyer's Guide
Cisco Secure Firewall
March 2024
Learn what your peers think about Cisco Secure Firewall. Get advice and tips from experienced pros sharing their opinions. Updated: March 2024.
765,386 professionals have used our research since 2012.