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ASA 5525-X to Cisco Secure Firewall 3105 challenges

kenamleng99
Level 1
Level 1

Hello /cisco,

I wanted to share some information about my experience with this migration so far, as well as pose a question or two. My 5525-X is running 9.14(4)24 and has a Firepower IPS managed by a vFMC. I really liked running ASA OS for the firewall and using an FMC to manage the IPS/IDS.

For context I have around 100 IPsec tunnels, 500 access lists, 350 network objects, 100 NAT rules, a DMZ, backup internet, and AnyConnect.

MY first difficult realization was discovering that I could not run ASA OS and have IPS services on the new 3105. I looked into using the FMT tool but that requires me to run an FTD image managed by an FMC. Transitioning from ASDM/CLI to FMC is a major shift so for anyone who hasn’t done it yet I would advise mental preparation for dramatic changes.

I'm still in the process of migration, but I have do have 1 other major frustration that has come up. With ASA-OS I was able to access real-time monitoring via ASDM or CLI. However with FMC the only 'live logs' I can find are in the Analysis -> Unified Events section.
My question for anyone that has used both - Is there a way to get 'Unified events' Live logs as verbose as ASDM? Will I be able to see IPSec negotiations and access list blocks in real time? I see filter options for 'Connection events' and 'Security-related connection events,' but I can't seem to get them to show much of anything in my testing.

Thanks in advance for any responses!

1 Reply 1

adamgerber
Level 1
Level 1

Hello

Unified Event Viewer is the replacement for viewing live logs. Most info fields are disabled from view under Unified event viewer, so be sure to look at those by clicking the column set button which should be under the "Live Log" button.

As for troubleshooting tunnels, you can view VPN troubleshooting logs under Devices->VPN Troubleshooting.

Hope this helps.

 

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