Tuesday, March 19, 2013

BGP - Troubleshooting Lab

In this blogtorial, I will be posting configs of the routers and a few commands. Please leave me comments on what you think the issue maybe.

Consider this topology below. 
  • should be pingable from R4. 
  • Static routes or artificial routes cannot be installed anywhere!! 
Hint -- There are three issues.

The entire config can be downloaded here so you can lab it up in GNS3.

Monday, March 18, 2013

BGP - inject-map - Conditional Route Injection

In my recently published posts we discussed how to aggregate addresses in BGP and the various optional parameters associated with the "aggregate-address" command. However, there could be instances where we may want to do just the opposite -- un-aggregate the addresses. In this blogtorial we will see how we can achieve this. Consider a very simple topology below and we'll dive right in.