Trunking on two switches: 3550 and 3750; 3all 550 vtp counters all zero; any ideas what's wrong here ? TIA,Ned
3550 vtp mode transparent vtp domain TEST1 ! interface GigabitEthernet1/0/49 switchport trunk encapsulation dot1q switchport mode trunk ! Cat3550# 6d03h: %SYS-5-CONFIG_I: Configured from console by consoleshow int g0/1 trunk Port Mode Encapsulation Status Native vlan Gi0/1 on 802.1q trunking 1 Port Vlans allowed on trunk Gi0/1 1-4094 Port Vlans allowed and active in management domain Gi0/1 1,18,21,172 Port Vlans in spanning tree forwarding state and not pruned Gi0/1 1,18,21,172 Cat3550#show vtp count VTP statistics: Summary advertisements received : 0 Subset advertisements received : 0 Request advertisements received : 0 Summary advertisements transmitted : 0 Subset advertisements transmitted : 0 Request advertisements transmitted : 0 Number of config revision errors : 0 Number of config digest errors : 0 Number of V1 summary errors : 0 VTP pruning statistics: Trunk Join Transmitted Join Received Summary advts received from non-pruning-capable device---------------- ---------------- ----------------
--------------------------- Gi0/1 0 0 0
***********************3750 vtp domain TEST1 vtp mode transparent interface GigabitEthernet0/1 switchport trunk encapsulation dot1q switchport mode trunk no ip address
3750#show vtp count VTP statistics: Summary advertisements received : 1137 Subset advertisements received : 1 Request advertisements received : 0 Summary advertisements transmitted : 1085 Subset advertisements transmitted : 2 Request advertisements transmitted : 1 Number of config revision errors : 0 Number of config digest errors : 0 Number of V1 summary errors : 0 VTP pruning statistics: Trunk Join Transmitted Join Received Summary advts received from non-pruning-capable device---------------- ---------------- ----------------
--------------------------- Gi1/0/49 0 0 0
3750#show int g1/0/49 trunk Port Mode Encapsulation Status Native vlan Gi1/0/49 on 802.1q trunking 1 Port Vlans allowed on trunk Gi1/0/49 1-4094 Port Vlans allowed and active in management domain Gi1/0/49 1-2,21,96-97,172,921,926 Port Vlans in spanning tree forwarding state and not pruned Gi1/0/49 1-2,21,96-97,172,921,926 ********************************************************