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Troubleshooting BGP
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Symptom 2: BGP route cannot be advertised correctly after route of IGP is
imported with the network command.
imported with the network command.
Solution: Route imported by the network command should be same as a route
in the current routing table, which should include destination segment and mask.
Route covering large network segment cannot be imported. For example, route
10.1.1.0/24 can be imported, while 10.0.0.0/8 may cause error. If Ospf is used,
after a large network segment is imported to the local route by means of the
network command, the router will automatically make changes according to the
network segment actually used by the interface. Consequently, the network
command will fail to, or incorrectly, import routes, which can cause routing errors
when some network faults exist.
in the current routing table, which should include destination segment and mask.
Route covering large network segment cannot be imported. For example, route
10.1.1.0/24 can be imported, while 10.0.0.0/8 may cause error. If Ospf is used,
after a large network segment is imported to the local route by means of the
network command, the router will automatically make changes according to the
network segment actually used by the interface. Consequently, the network
command will fail to, or incorrectly, import routes, which can cause routing errors
when some network faults exist.