3Com S7902E, Configuration Manual

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# Tear down the link between Switch A and Switch B. Using the
display vpls connection vsi vpna
command and the
display vpls fib vsi vpna verbose
command, you can see that the path 2.2.2.9 is
blocked.
<SwitchA> display vpls connection vsi vpna
Total 2 connection(s),
connection(s): 1 up, 1 block, 0 down
VSI Name: vpna Signaling: ldp
VsiID VsiType PeerAddr InLabel OutLabel LinkID VCState
100 vlan 2.2.2.9 134312 138882 1 block
100 vlan 3.3.3.9 134216 140476 2 up
<SwitchA> display vpls fib vsi vpna verbose
VSI Name: vpna VSI Index: 0
**Link ID : 1
Role : Primary
State : Standy
In Label : 134312
Out Label : 138882
TnlType : LDP-LSP
MTU : 1500
Tunnel ID : 0x1130214
Next Hop : 12.1.1.2
Out IfIndex : 61997067
**Link ID : 2
Role : Backup
State : Active
In Label : 134216
Out Label : 140476
TnlType : LDP-LSP
MTU : 1500
Tunnel ID : 0x1130215
Next Hop : 13.1.1.3
Out IfIndex : 61997068