Cisco WS-C4003 Software Guide - Page 161
Configuring VTP Pruning
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Chapter 9 Configuring VTP Configuring VTP Configuring VTP Pruning To configure VTP pruning, perform this task in privileged mode: Step 1 Step 2 Step 3 Step 4 Step 5 Task Command Enable VTP pruning in the management domain. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are pruning eligible.) clear vtp pruning vlan_range (Optional) Make specific VLANs pruning eligible set vtp pruneeligible vlan_range on the device. Verify the VTP pruning configuration. show vtp domain Verify that the appropriate VLANs are being pruned on trunk ports. show trunk 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 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 1,100-500,1001-1005 will not be pruned on this device. VTP domain Lab_Network modified. Console> (enable) set vtp pruning 250-255 Vlans 2-99,250-255,501-1000 eligible for pruning on this device. VTP domain Lab_Network modified. Console> (enable) show vtp domain Domain Name Domain Index VTP Version Local Mode Password Lab_Network 1 2 server - Vlan-count Max-vlan-storage Config Revision Notifications 8 1023 16 disabled Last Updater V2 Mode Pruning PruneEligible on Vlans 172.20.52.2 disabled enabled 2-99,250-255,501-1000 Console> (enable) show trunk * - indicates vtp domain mismatch Port Mode Encapsulation 2/1 on dot1q Status -----------trunking Native vlan ----------1 Port Vlans allowed on trunk 2/1 1-1005 78-12647-02 Software Configuration Guide-Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4 9-9