Im trying to set up a trunk in between a Meraki MS350  a Cisco 3560-12 switch.   There are 3 vlans   101 for data      10.96.168.0 /22 172 for WIFI      10.96.172.0  /22 201 for voice     10.98.168.0 /22   Both The WIFI AP and the phone register correctly with the respective controllers and subnets but the data vlan is blocked     CST: %SPANTREE-2-RECV_PVID_ERR: Received BPDU with inconsistent peer vlan id 1 on FastEthernet0/12 VLAN101. CST: %SPANTREE-2-BLOCK_PVID_PEER: Blocking FastEthernet0/12 on VLAN0001. Inconsistent peer vlan. CST: %SPANTREE-2-BLOCK_PVID_LOCAL: Blocking FastEthernet0/12 on VLAN0101. Inconsistent local vlan.   US-758-B8-SHP-S5#sho int trunk   Port        Mode             Encapsulation  Status        Native vlan Fa0/12      on               802.1q         trunking      101 Port        Vlans allowed on trunk Fa0/12      1-4094 Port        Vlans allowed and active in management domain Fa0/12      1,101,172,201 Port        Vlans in spanning tree forwarding state and not pruned Fa0/12      172,201   interface FastEthernet0/10 switchport access vlan 101 switchport voice vlan 201 srr-queue bandwidth share 1 30 35 5 priority-queue out mls qos trust device cisco-phone mls qos trust cos auto qos voip cisco-phone spanning-tree portfast service-policy input AUTOQOS-SRND4-CISCOPHONE-POLICY ! interface FastEthernet0/11 switchport access vlan 172 srr-queue bandwidth share 1 30 35 5 priority-queue out mls qos trust device cisco-phone mls qos trust cos auto qos voip cisco-phone spanning-tree portfast service-policy input AUTOQOS-SRND4-CISCOPHONE-POLICY ! interface FastEthernet0/12 switchport trunk encapsulation dot1q switchport trunk native vlan 101 switchport trunk allowed vlan 1,101,172,201 switchport mode trunk ! Any suggestions are most welcome     ... View more