then, check the other, verify the consistency, which means please check NATIVE VLAN ID whether it is same as the counterpart of the Cisco switch.

"Thus, you should verify that the configurations of the native VLAN ID is consistent on the interfaces on each end of the 802.1Q trunk connection." meant that check the NATIVE VLAN IDs on the trunk interfaceson the cisco switch, you could check with ...

The messages comes from inconsistencies of (Native) VLAN ID or port types between switches. Thus, you should verify that the configurations of the native VLAN ID is consistent on the interfaces on each end of the 802.1Q trunk connection. When the con...