Troubleshooting Ipv6 Bgp Configuration; Ipv6 Bgp Peer Relationship Not Established - HPE 5800 Series Configuration Manual

Troubleshooting IPv6 BGP configuration

IPv6 BGP peer relationship not established

Symptom
Display BGP peer information by using the display bgp ipv6 peer command. The state of the
connection to the peer cannot become established.
Analysis
To become IPv6 BGP peers, any two routers must establish a TCP session using port 179 and
exchange open messages successfully.
Solution
Use the display current-configuration configuration bgp command to verify that the peer's
1.
AS number is correct.
Use the display bgp ipv6 peer command to verify that the peer's IPv6 address is correct.
2.
If a loopback interface is used, verify that the loopback interface is specified with the peer
3.
connect-interface command.
If the peer is not directly connected, verify that the peer ebgp-max-hop command is
4.
configured.
Verify that a valid route to the peer is available.
5.
Use the ping command to verify the connectivity to the peer.
6.
Use the display tcp ipv6 status command to verify the TCP connection.
7.
Verify whether an ACL for disabling TCP port 179 is configured.
8.
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