Error opening nvram:/startup-config (Read-only file system) – Cisco ASA
Recently, I have encountered an issue where my virtual ASA couldn’t write memory (copy running-configuration startup-configuration). asav/pri/act(config)# wrBuilding configuration...Cryptochecksum: b3d790bf 1f8ae83c b72965aa 295bb863%Error opening nvram:/startup-config...
Packet Tracer fails with “ERROR: TRACER: NP failed tracing packet”
If you are getting this error message when trying to do packet tracer you hit a bug CSCvi37889. asa/pri/act# packet-tracer input inside tcp 10.1.0.10 1235 8.8.8.8...
Cisco ASA VPN Control Plane Bug after upgrade to asa964-12 causing MM_WAIT_MSG2
Recently, I had the privilege to experience yet another Cisco Bug. After upgrading from 9.4.x to 9.6.x my VPN control plane crashed causing all of...
ASA and FTD Security Appliances Might Fail To Pass Traffic After 213 Days Of Uptime
I’ve recently had to work on sev1 case where suddenly one of my customers environment stopped responding to outside requests. As the bug hits your...
Unable to SSH to standby unit over anyconnect VPN – Drop-reason: (no-adjacency)
If you are running pair of ASA’s in active/standby you may encounter issue with connecting to your standby/secondary unit. Reason why I’m saying “may” is...
power supply 2: failed or not powered up
If you are getting the intermittent power supply failure/recovery logs it could be due to a cosmetic bug....