Archive for the ‘Networking’ Category
Cisco IPS Inline Bypass Mode
On occasion, you may need to put your Cisco IPS into bypass mode. Bypass mode allows the IPS to pass traffic without inspecting it. This may be useful if you suspect the IPS is causing a problem, if you are going to run a one-time scan that would set the IPS off, or you need […]
Categories: Networking
Enabling Stateful Switchover in the Cisco ASR1000
When you get your brand new Cisco ASR1000 series router, Stateful Switchover (SSO) is disabled by default.
Categories: Networking
What are BGP Update-Groups?
You've certainly noticed when look at individual BGP routes on your Cisco routers that the route is advertised to specific update-groups. It isn't obvious from that output just what those update-groups are.
Categories: Networking
Cisco Catalyst NVRAM Corruption
Cisco Catalyst switches simulate NVRAM on their flash. Once in a blue moon, this simulated NVRAM will become corrupted. In order to clear up the corruption, I changed the size of the NVRAM and rebooted.
Categories: Networking
QM FSM Error? Check Your Transform-Set
If you see an error like the one below in your Cisco ASA log files, check with the other end and make sure your transform-set matches.
Categories: Networking