Related Topics ■ show mpls cross-connects atm
Monitoring MPLS Forwarding for Layer 2 Services over MPLS
Purpose Display configuration and statistics for all label-switched paths (LSPs) or for specific
LSPs configured on the label-switching router (LSR). The brief keyword displays only
the the action taken for each in label.
Action To display LSP configuration and statistics from the MPLS forwarding table:
host1:two#show mpls forwarding
serial4/1:1/1/1/1/1.1 to 222.9.1.3
In label 20
0 pkts, 0 hcPkts, 0 octets
0 hcOctets, 0 errors, 0 discardPkts
Out label 45 on tun mpls:1 nbr 222.9.1.3
0 pkts, 0 hcPkts, 0 octets
0 hcOctets, 0 errors, 0 discardPkts
To display summary information from the MPLS forwarding table:
host:two# show mpls forwarding brief
Platform label space
In Label Owner Action
-------- -------- ---------------------------------------------------------
16 ldp lookup on inner header/label
17 ldp swap to 29 on ATM5/0.1, nbr 10.10.11.5
18 ldp swap to 30 on ATM5/0.1, nbr 10.10.11.5
19 ldp swap to 32 on ATM5/0.1, nbr 10.10.11.5
20 ldp swap to 34 on ATM5/0.1, nbr 10.10.11.5
21 ldp lookup on inner header/label
22 ldp swap to 38 on ATM5/0.1, nbr 10.10.11.5
23 ldp swap to 40 on ATM5/0.1, nbr 10.10.11.5
24 ldp swap to 42 on ATM5/0.1, nbr 10.10.11.5
25 ldp lookup on inner header/label
26 ldp swap to 46 on ATM5/0.1, nbr 10.10.11.5
27 ldp swap to 48 on ATM5/0.1, nbr 10.10.11.5
52 ldp l2transport to FastEthernet2/0.2
53 ldp l2transport to FastEthernet2/0.1
L2transport
Interface Owner Action
-------------------- -------- -------------------------------------------
FastEthernet2/0.1 ldp swap to 55, push 42 on ATM5/0.1, nbr 10.10.11.5
FastEthernet2/0.2 ldp swap to 54, push 42 on ATM5/0.1, nbr 10.10.11.5
The “ swap to” labels 55 and 54 under the L2transport heading in the summary
example are VC labels received from the other router. The label that is pushed in
this case, 42, is for the base tunnel.
Meaning Table 72 on page 568 lists the show mpls forwarding command output fields
Monitoring MPLS Forwarding for Layer 2 Services over MPLS ■ 567
Chapter 8: Monitoring Layer 2 Services over MPLS
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