Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide ...

6MPLS LDPdebug mpls ldp adjacencySyntax: [no] debug mpls ldp adjacencyThis command displays information about MPLS LDP adjacencies.Brocade# debug mpls ldp adjacencyLDP_ADJ: Link adjacency to 140.140.140.4:0 on interface e1/2 is deleted, reason 4LDP_ADJ: Link adjacency to 140.140.140.4:0 on interface e1/2 is addeddebug mpls ldp errorSyntax: [no] debug mpls ldp errorThis command displays the errors detected by LDP components such as LDP session keepalivetimer expiration, hello adjacency timeout, and so on.Brocade# debug mpls ldp errorLDP_ERR: Session KeepAlive timer to peer 120.120.120.2 has expireddebug mpls ldp eventSyntax: [no] debug mpls ldp eventThis command displays session up and down events, similar to the following example.Brocade# debug mpls ldp eventLDP_EVT: LDP session to 140.140.140.4, entity idx 1, type non-targeted goes DOWN,use TCB 0XA0000010:0X12BF2B70LDP_EVT: remove session to 140.140.140.4. Session is deletedLDP_EVT: initiate LDP session to peer 140.140.140.4. Session is not foundLDP_EVT: initiate session block 0X344BF140, entity idx 1 and insert to treeLDP_EVT: LDP session to 140.140.140.4 is initiated, targeted adjacency NoLDP_EVT: LDP session to 140.140.140.4, entity idx 1, type non-targeted goes UP,use TCB 0XA0000012:0X12BF244Adebug mpls ldp fecSyntax: [no] debug mpls ldp fec [all | lsr-id | key [prefix | vc ]]This command displays MPLS LDP FEC information.• all - Displays all MPLS LDP FEC-related information.• lsr-id - Limits the MPLS LDP FEC information displayed to aspecific LSR ID.• key - Limits the information displayed to a specific FEC key value.• prefix - Limits the display of MPLS LDP FEC-related information tospecific prefixes.• vc - Displays MPLS LDP FEC-related information for a specific VC ID.Command output resembles the following example.Brocade# debug mpls ldp fecLDP PM 1 Ingress FSM, CB 171/33, input 0, old state 0, new state 0, action 1, FECCB 169/33,FEC Prefix: 100.100.100.100, len 32.LDP PM 1 Egress FSM, CB 205/45, input 0, old state 0, new state0, action 1, FEC CB 184/45,FEC Prefix: 20.20.20.20, len 32.LDP PM 1 UM FSM, CB 164/29, input 0, old state 0, new state 1, action 1, UT CB 101/5, session CB 117/25, FEC CB 184/45.FEC Prefix: 20.20.20.20, len 32.222 Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide53-1002426-02