cie If Dot1q Custom Admin Ether Type

1.3.6.1.4.1.9.9.276.1.3.1.1.1

The Dot1qEtherType allow administrator to select a non-standard (other than 0x8100) 2-byte ethertype for the interface to interoperate with third party vendor's system that do not use the standard 0x8100 ethertype to identify 802.1q-tagged frames. The current administrative value of the 802.1q ethertype for the interface. The administrative 802.1q ethertype value may differ from the operational 802.1q ethertype value. On some platforms, 802.1q ethertype may be assigned per group rather than per port. If multiple ports belong to a port group, the 802.1q ethertype assigned to any of the ports in such group will apply to all ports in the same group. To configure non-standard dot1q ethertype is only recommended when the Cisco device is connected to any third party vendor device. Also be advised that the custom ethertype value needs to be changed in the whole cloud of Cisco device with the same custom ethertype value if the third party device are separated by number of Cisco device in the middle.