anilraahi Tue, 05/26/2009 - 01:23
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Dear all,

need more than this, need some cases.

francisco_1 Tue, 05/26/2009 - 02:32
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AS describe by the url provided by Samir When BGP tries to install the bestpath prefix into Routing

Information Base (RIB) (for example, the IP Routing table), RIB might reject the BGP route due to any of these reasons:


* Route with better administrative distance already present in IGP.

For example, if a static route already exists in IP Routing table.

* Memory failure.

* The number of routes in VPN routing/forwarding (VRF) exceeds the

route-limit configured under the VRF instance.



In such cases, the prefixes that are rejected for these reasons are

identified by r RIB Failure in the show ip bgp command output and are

not advertised to the peers. This feature was first made available in Cisco IOS Software Release 12.2(08.05)T.

francisco_1 Tue, 05/26/2009 - 02:33
User Badges:
  • Gold, 750 points or more

AS describe by the url provided by Samir When BGP tries to install the bestpath prefix into Routing

Information Base (RIB) (for example, the IP Routing table), RIB might reject the BGP route due to any of these reasons:


* Route with better administrative distance already present in IGP.

For example, if a static route already exists in IP Routing table.

* Memory failure.

* The number of routes in VPN routing/forwarding (VRF) exceeds the

route-limit configured under the VRF instance.



In such cases, the prefixes that are rejected for these reasons are

identified by r RIB Failure in the show ip bgp command output and are

not advertised to the peers. This feature was first made available in Cisco IOS Software Release 12.2(08.05)T.

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