Cisco WS-C6506 - Show Trunk

10-11
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 10 Configuring VTP
Configuring VTP Version 1 and Version 2
This example shows how to enable VTP pruning in the management domain and how to make
VLANs 2–99, 250–255, and 501–1000 pruning eligible on the particular device:
Console> (enable) set vtp pruning enable
Cannot modify pruning mode unless in VTP SERVER mode.
Console> (enable) set vtp mode server
Changing VTP mode for all features
VTP domain Lab_Network modified
Console> (enable) set vtp pruning enable
This command will enable the pruning function in the entire management domain.
All devices in the management domain should be pruning-capable before enabling.
Do you want to continue (y/n) [n]?
y
VTP domain Lab_Network modified
Console> (enable) clear vtp pruneeligible 100-500
Vlans 1,100-500,1001-1023 will not be pruned on this device.
VTP domain Lab_Network modified.
Console> (enable) set vtp pruneeligible 250-255
Vlans 2-99,250-255,501-1000,1024-4094 eligible for pruning on this device.
VTP domain Lab_Network modified.
Console> (enable) show vtp domain
Version : running VTP1 (VTP3 capable)
Domain Name : Lab_Network Password : configured (hidden)
Notifications: disabled Updater ID: 172.20.52.19
Feature Mode Revision
-------------- -------------- -----------
VLAN Server 1
Pruning : enabled
VLANs prune eligible: 2-99,250-255,501-1000
Console> (enable) show trunk
* - indicates vtp domain mismatch
# - indicates dot1q-all-tagged enabled on the port
Port Mode Encapsulation Status Native vlan
-------- ----------- ------------- ------------ -----------
16/1 nonegotiate isl trunking 1
Port Vlans allowed on trunk
-------- ---------------------------------------------------------------------
16/1 1-1005,1025-4094
Port Vlans allowed and active in management domain
-------- ---------------------------------------------------------------------
16/1
Port Vlans in spanning tree forwarding state and not pruned
-------- ---------------------------------------------------------------------
16/1
Console> (enable)
Step 4
Verify the VTP pruning configuration. show vtp domain
Step 5
Verify that the appropriate VLANs are being
pruned on trunk ports.
show trunk
Task Command