Monitoring the LDP Running Status

In routine maintenance, you can run the following commands in any view to view the LDP running status.

Run the display mpls ldp error packet { tcp | udp | l2vpn } [ number ] command to check statistics on LDP error messages.
Run the display mpls ldp error packet state command to check the record status of LDP-related error messages.
Run the display mpls ldp event adjacency-down [ interface interface-type interface-number | remote ] [ peer peer-id ] [ verbose ] command to check information about LDP adjacencies in Down state.
Run the display mpls ldp event session-down command to check information about LDP sessions in Down state.
Run the display mpls last-info lsp-down [ protocol ldp ] [ verbose ] command to check information about LDP LSPs in Down state.