SW1#vtp primary vlan This system is becoming primary server for feature vlan No conflicting VTP3 devices found. Do you want to continue? [confirm] SW1# SW1#show vtp status VTP Version : 3 (capable) VTP version running : 3 VTP Domain Name : admin VTP Pruning Mode : Disabled VTP Traps Generation : Disabled Device ID : aabb.cc00.0400 Feature VLAN: -------------- VTP Operating Mode : Primary Server Number of existing VLANs : 23 Number of existing extended VLANs : 2 Configuration Revision : 2 <--Output Omitted-->