Figure 15-14 Ldp Lsp Trace Configuration Example - Zte ZXR10 ZSR V2 Configuration Manual (System Management

ZXR10 ZSR V2 Configuration Guide (System Management)
multisegment: enables the ping multisegment pseudowire function.
Maintenance Commands
To maintain LSP trace, run the following command on the ZXR10 ZSR V2:
Command
debug lspv {error | event | packet | tlv | all}
ZXR10#
LDP LSP Trace Configuration Example
l
Configuration Description
As shown in
LSP trace on R1 to check connectivity.

Figure 15-14 LDP LSP Trace Configuration Example

l
Configuration Flow
1. Build an LDP network.
2. Perform LDP LSP trace on R1.
l
Configuration Command
For LDP configuration, refer to the MPLS configuration example.
l
Configuration Verification
Run the following commands on R1 to view configurations. The execution result is
displayed as follows:
R1#show mpls forwarding-table
Local
label
20
57
R1#trace mpls ipv4 10.28.0.3 32
Tracing MPLS Lable Switched to 10.28.0.3,timeout is 3 second(s).
Codes:'!' - success,
ut,
ismatch,
SJ-20140504150128-007|2014-05-10 (R1.0)
Figure 15-14, LDP is enabled on R1, R2 and R3. It is required to configure
Outgoing Prefix or
label Lspname
Pop tag 10.28.0.3/32
49 10.28.0.4/32
'L' - labeled output interface, 'B' - unlabeled output interface,
'D' - DS Map mismatch,
Function
Displays information on sent UDP Echo
Request packets and received UDP Echo
Reply packets when LSP trace is performed.
Outgoing
interface
gei-1/2
gei-1/2
'Q' - request not sent,
'F' - no FEC mapping,
15-24
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Next Hop M/S
10.28.1.6 M
10.28.1.6 M
'*' - timeo
'f' - FEC m