This topic is about BGP’s ability to prefer another router (kinda de-prefer, actually). The following diagram will make it clear. In this situation, it may be a better choice to traverse from R1 to R2 via the point-to-point link instead of going over the ISP Cloud. Here R1 and R2 are eBGP peers only. The […]
Lately, I have been struggling to understand the logic behind route-map and its functioning when used along with a prefix-list in order to filter prefixes. Basically configurations where the permit/deny of prefix-list couples with permit/deny of route-map. So I decided to lab it out in GNS3 – only allow 172.1.1.0/24 to pass through; filter everything […]
