We will discuss this topic using below topology. RIP is running everywhere, PIM-SM on all interfaces and everyone has R4 at 192.168.100.4 as the static RP. R1 Router has the following config on its LAN interface:- Let’s ping from R6 Router:- what gives? Let’s look at R4 Router:- Tt looks that R2 Router is showing… Read More »
AS the name of topic, we will make the conditional routing / route advertisement. We will achieve this by injecting routes using inject-map and exit-map. We will use prefix-list instead of ACL. You should also avoid the ACLs when configuring conditional routing. Injected route must be part or subset of an aggregated route and this… Read More »
This feature allows the router to bring a BGP session down when the interface to that peer goes down. If you don’t want to allow this to be happen, then you can disable it. This feature is supported only for directly connected eBGP peers. I have tested it with eBGP multihop peers but no result.… Read More »
One day, When I was working on a issue in production environment, my colleague came to me with a query which was related to on going issue. As per him, BGP route selection was not happening in right way. He was saying that a route is selecting which is having longest AS_Set and it is… Read More »
As we all know, Route reflector always receives the routes from clients (iBGP) and non-clients (eBGP), and it reflects these routes to clients and non-clients. Note: RR will reflect the routes to both clients and non-clients, if best route was received from clients. If route was received from non-client then it will be reflect to… Read More »