30.4.2 Checking the status of virtual links
Use the show spanning-tree command to check virtual link information. Check Port Information to confirm the existence of virtual link ports.
The following figure shows the result of executing the show spanning-tree command.
> show spanning-tree vlan 2
Date 20XX/11/04 11:39:43 UTC
VLAN 2 PVST+ Spanning Tree:Enabled Mode:PVST+
Bridge ID Priority:4096 MAC Address:0012.e205.0900
Bridge Status:Designated
Root Bridge ID Priority:0 MAC Address:0012.e201.0900
Root Cost:0
Root Port:1/0/2-3(VL:10) .. 1
Port Information
1/0/1 Up Status:Forwarding Role:Designated
VL(10) Up Status:Forwarding Role:Root .. 1
> |
-
VL indicates a virtual link ID.
The show gsrp detail command can be used to check whether a virtual link is running. Check Virtual Link ID for the virtual link ID and virtual link VLAN.
>show gsrp detail
Date 20XX/04/10 12:00:00 UTC
GSRP ID: 3
Local MAC Address : 0012.e2a8.2527
Neighbor MAC Address : 0012.e2a8.2505
Total VLAN Group Counts : 3
GSRP VLAN ID : 105
Direct Port : 0/10-11
GSRP Exception Port : 0/1-5
No Neighbor To Master : manual
Backup Lock : disable
Port Up Delay : 0
Last Flush Receive Time : -
Layer 3 Redundancy : On
Virtual Link ID : 100(VLAN ID : 20)
Local Neighbor
Advertise Hold Time : 5 5
Advertise Hold Timer : 4 -
Advertise Interval : 1 1
Selection Pattern : ports-priority-mac ports-priority-mac
VLAN Group ID Local State Neighbor State
1 Backup Master
2 (disable) -
8 Master -
> |