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What Information Needs to Be Collected If an MPLS LDP Session Fails to Be Established?
After an MPLS LDP session fails to be established, R&D personnel
need to collect the following information for analysis:
Command |
Description |
|---|---|
| display mpls ldp session verbose | Displays detailed information about the session status. |
| display mpls ldp peer verbose | Displays the LDP status: local or remote. |
| display mpls ldp interface [verbose] | Displays sent and received LDP packets on the interface. If MPLS LDP is disabled on the interface, no command output is displayed. |
| display mpls ldp remote-peer peer-name | Displays sent and received LDP protocol packets after the remote session is established. |
display ip routing-table x.x.x.x verbose display fib x.x.x.x verbose |
Displays whether the route to the peer exists. |
| display tcp status | Displays whether the TCP connection is in Established state. |
| display mpls ldp event session-down | Displays the reason for LDP Session Down. |
