BGP Aggregate as-set
When advertising aggregates in BGP, it’s possible to specify the ‘as-set’ command as part of the aggregate. This forces the BGP process to advertise the prefix with a list of… Read more »
When advertising aggregates in BGP, it’s possible to specify the ‘as-set’ command as part of the aggregate. This forces the BGP process to advertise the prefix with a list of… Read more »
Boiled down inject maps look for a particular prefix, from a particular source, and if detected, advertise other prefixes. This is mostly used along with BGP aggregation to ‘un-aggregate’ certain… Read more »
Unsuppress maps fit a very specific need in BGP. When writing this post, I was really only able to think of one or two examples of where you might need… Read more »
BGP communities can be summarized as a set of tags that can be used to further classify BGP prefixes. That might not be a ‘RFC’ definition, but in my mind,… Read more »
One of the well known BGP attributes is AS-Path. This tell us where the BGP prefix came from in terms of autonomous systems that the prefix has traversed to get… Read more »
When filtering routes with BGP it’s very likely that you’ve used prefix lists. Once again, this is just something that we’ve been taught to do and consider good practice. On… Read more »