Foundry Configuration Guide for the FESX, FSX, and FWSX
21 - 94 © Foundry Networks, Inc. December 2005
These displays show the following information.
Table 21.11: BGP4 Route Information
This Field... Displays...
Total number of BGP Routes The number of BGP4 routes.
Status codes A list of the characters the display uses to indicate the route’s status.
The status code is appears in the left column of the display, to the left
of each route. The status codes are described in the command’s
output.
Prefix The network prefix and mask length.
Status The route’s status, which can be one or more of the following:
• A – AGGREGATE. The route is an aggregate route for multiple
networks.
• B – BEST. BGP4 has determined that this is the optimal route to
the destination.
Note: If the “b” is shown in lowercase, the software was not able
to install the route in the IP route table.
• b – NOT-INSTALLED-BEST. The routes received from the
neighbor are the best BGP4 routes to their destinations, but were
nonetheless not installed in the IP route table because the Layer
3 Switch received better routes from other sources (such as
OSPF, RIP, or static IP routes).
• C – CONFED_EBGP. The route was learned from a neighbor in
the same confederation and AS, but in a different sub-AS within
the confederation.
• D – DAMPED. This route has been dampened (by the route
dampening feature), and is currently unusable.
• H – HISTORY. Route dampening is configured for this route, and
the route has a history of flapping and is unreachable now.
• I – INTERNAL. The route was learned through BGP4.
• L – LOCAL. The route originated on this Layer 3 Switch.
• M – MULTIPATH. BGP4 load sharing is enabled and this route
was selected as one of the best ones to the destination. The best
route among the multiple paths also is marked with “B”.
Note: If the “m” is shown in lowercase, the software was not able
to install the route in the IP route table.
• S – SUPPRESSED. This route was suppressed during
aggregation and thus is not advertised to neighbors.
Age The last time an update occurred.
Next_Hop The next-hop router for reaching the network from the Layer 3 Switch.
Learned from Peer The IP address of the neighbor that sent this route.
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