HP Comware 5 Debug Manual Vol 1
Start to process Route add (FEC: 140.2.2.2/0xffffffff, OutIf: Serial0/2/0 Nexthop:
140.12.1.2)
// LDP was processing route addition event.
*0.16868001 PE1 LDP/8/Advertisement: Serial0/2/0
Receive Label Mapping Message from Peer(140.2.2.2:0) for FEC: 140.2.2.2/0xffffffff
// LDP received a label mapping message.
*0.16868001 PE1 LDP/8/Advertisement:
Create FEC Radix Tree Node, Destination: 140.2.2.2, Mask: 0xffffffff
*0.16868001 PE1 LDP/8/Advertisement:
Create cross node for FEC: 140.2.2.2, Mask: 0xffffffff.
*0.16868001 PE1 LDP/8/Advertisement:
Create DSCB, FEC: 140.2.2.2/0xffffffff.
// LDP created the FEC node, cross node, and downstream control block.
*0.16868001 PE1 LDP/8/Advertisement:
0 - FEC: 140.2.2.2/0xffffffff, Successful Next Hop Query
*0.16868001 PE1 LDP/8/Advertisement:
Update OutSeg Info, FEC: 140.2.2.2/0xffffffff, NHCount: 1.
// LDP updated the outgoing label information.
*0.16868001 PE1 LDP/8/Advertisement:
Add Info Out_If: 3145744, NHAddr: 140.12.1.2.
*0.16868001 PE1 LDP/8/Advertisement: Serial0/2/0
FEC: 140.2.2.2/0xffffffff, DU DS state machine process, DS Peer 140.2.2.2:0, DSCB's state:
Idle , Event: LDP Mapping
// The downstream state machine was processing the LDP mapping event.
*0.16868001 PE1 LDP/8/Advertisement:
0 - FEC: 140.2.2.2/0xffffffff, Successful Next Hop Query
*0.16868017 PE1 LDP/8/Advertisement:
Create USCB, FEC: 140.2.2.2/0xffffffff.
// LDP created the upstream control block.
*0.16868032 PE1 LDP/8/Advertisement:
FEC: 140.2.2.2/0xffffffff, DU Ingress US state machine process, USCB's state: Idle Event:
Internal DownStream Mapping
// The upstream state machine was processing the downstream mapping event.
*0.16868032 PE1 LDP/8/Advertisement:
LDP send LSP Message (Event: 1) to LSPM for LSP:
0 140.2.2.2/32 -----/3 140.12.1.2 ------- Ser0/2/0
The token is: 557235. The MTU is: 1500.
// LDP sent an LSP creation success message to the LSPM.
# Enable debugging for MPLS LDP session on one router (PE 1, in this example). Restart LDP on the other
router. Output similar to the following example is generated:
<PE1> debugging mpls ldp session
<PE1>
*0.19200353 PE1 LDP/8/Session: Serial0/2/0
Link Hello message sent on interface: Serial0/2/0
// LDP sent a hello message.
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