BGP Route valid *

[mahyarshirazi]

Hi all

when we enter show ip bgp command, the bgp table will show.

first column is * ( valid), what does valid mean? 

Can someone explain it to me?

thanks

[luckymike33]

Hi,

These days 'valid' means that the next hop associated with this route is reachable which means that the next hop ip address can ultimately resolve to an outgoing interface on the router.

In routers configured for synchronization - there is an extra rule which says that the router is only valid if the same router (prefix) also exists in the ip routing table already.

HTH

Mike

[vishwasam]

* Valid routes are available routes in the routing table which is inaccessible

*> best routes are available in routing table and also can be accessible.