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3. Troubleshooting Functional Failures in Operation
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3.10.3 No BGP4+ Routing Information Exists
Isolate the problem according to the failure analysis method listed below if BGP4+ route information does not exist in
the displayed route information acquired by this system.
Table 3-37: BGP4+ Failure Analysis Method
No. Troubleshooting Steps and Command Action
1 Check the BGP4+ peer status.
show ipv6 bgp neighbors
Go to No. 2 if the peer status is other than Established.
Go to No. 3 if the peer status is Established.
2 Check to see if the BGP4+ setting is correct in
configuration.
Go to No. 3 if the configuration is correct.
Correct the configuration if it is not correct.
3 Check to see if the BGP4+ route is learned.
show ipv6 bgp received-routes
Go to No. 4 if the route exist but it is not in active status.
Go to No.5 if no route exist.
4 Check to see if routing information for the next
hop address resolution in BGP4+ exist.
show ipv6 route
Go to No.5 if the route information for the next hop address resolution
exists.
When no routing information for the next hop address resolution exist,
perform the protocol failure analysis to learn the routing information.
5 Confirm that the routing are not filtered by
referring to the configuration.
Check to see if the neighboring router advertises the BGP4+ route.
Correct the configuration if it is not correct.