H3C Technologies H3C SR8800 User Manual
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2.
Use the display bgp peer command to check that the peer’s IP address is correct.
3.
If a loopback interface is used, check that the loopback interface is specified with the peer
connect-interface command.
4.
If the peer is a non-direct EBGP peer, check that the peer ebgp-max-hop command is configured.
5.
If the peer ttl-security hops command is configured, check that the command is configured on the
peer, and the hop-count values configured on them are greater than the number of hops between
them.
6.
Check that a valid route to the peer is available.
7.
Use the ping command to check the connectivity to the peer.
8.
Use the display tcp status command to check the TCP connection.
9.
Check whether an ACL disabling TCP port 179 is configured.