HOWTO: Cisco 871 Configuration Recovery

Recently I’ve run into a small problem. It doesn’t happen often but when it does it’s very annoying. At my current place of paycheck-giveth we have several Cisco 871 ISRs providing VoIP access for our staff who work remotely. Most of these folks are sales directors or call center workers – not the most technical of users. Every so often we’ll get a call in from one of the remote users saying that the VPN light on the router won’t light up and they can’t get to anything from behind the router. Power cycling the router and their Cable/DSL modem doesn’t do any good either. Continue reading

Nexus 1000v Licensing

I’ve been knee deep working on a data center refresh. The new infrastructure will make use of Cisco’s Nexus 7009s with the Nexus 2232 FEXs along with Nexus 1000v down at the VMWare level. One hurdle that came up in our design review discussions with our VAR was around licensing for the Nexus 1000v. Continue reading

What to do when you can’t SSH to your ASA?

In my current role I manage several ASA HA pairs across a few sites. Recently, I encountered a situation where, due to a bug I was unable to SSH into the active ASA; however, I could SSH into the standby unit just fine. Continue reading