IOS Errors – Wood, Trees etc.
Today I’m sharing a “duh” moment that I think needs to be recorded partly for comedy value and, perhaps, partly to save somebody else the same fate. It’s one of those “it’s right in front […]
ios
TIP: IOS Route-Maps – What Not To Do
Today’s post is a quick tip on configuring a route-map in IOS, or more specifically, how not to configure it. Like almost everybody else, I am capable of making stupid mistakes. I don’t mean the […]
Working With Numbered Access-Lists
Back in the day, I didn’t have any white hairs, you could get a bag of potato chips for a quarter, kids didn’t behave badly, and numbered access-lists were all you had to work with […]
Those Pesky Active BGP Sessions
You’re troubleshooting a routing problem; you check BGP and the neighbor shows as active. Great, let’s move on and look somewhere else. Right now a good proportion of you should be shouting at your screen […]
An Open Letter Regarding AS-Path Access-Lists
Dear Cisco, Re: AS-Path Access-lists May we please have named as-path access lists in IOS? I’m really bored of my self-documenting configurations being effectively obfuscated by these ugly numbers I have to use in match […]
GNS3 and Service Compress-Config Problems
I’m a huge fan of GNS3 as a network simulator. While it’s not as CPU efficient as the fabled, not-public, nobody-has-a-copy-honest IOU (IOS-on-Unix) which obviously I know nothing about (how could I?), the graphical interface […]