Bfd Session Stays In Down State; Bfd Enabled On Ospf Or Bgp, But Session Not Created - Avaya 8800 Troubleshooting Manual

• BFD session goes down when MLT member ports are enabled or disabled
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• BFD with trace on

BFD session stays in down state

If the BFD session stays in the down state, perform the following steps:
Procedure steps
1. Verify whether the BFD peer is reachable.
2. To verify whether BFD is enabled on the peer, enter the following CLI command on

BFD enabled on OSPF or BGP, but session not created

If BFD is enabled on OSPF or BGP, but the BFD session is not created, perform the following
steps:
Procedure steps
1. For OSPF BFD sessions, to verify whether the OSPF neighbor is in FULL state,
2. For BGP BFD sessions, to verify whether the BGP peer is established, enter the
Troubleshooting
on page 444
ping <peer-ip>
the peer:
show ip bfd info
OR
enter the following ACLI command on the peer:
show ip bfd
enter the following command using CLI or ACLI:
show ip ospf neighbor
The OSPF BFD session cannot be created until the neighbor is in the FULL state.
following CLI command:
show ip ospf neighbor info
OR
Troubleshooting BFD
on page
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