I have a Cisco 2901 router with a 4G LTE Verizon EHWIC Cellular card. For some reason, a "GigabitEthernet0/3" interface shows up under this cellular card in our SNMP data. There are only 2 embedded GigE interfaces on this router. The output from "show diag" lists the proper interfaces, but any SNMP data pops in this extra GigE interface!
I have attached a screenshot and a text file output.
Any ideas why this extra GigE interface shows up?
UPDATE: 23 Aug 2013
Looks like this is some sort of backplane interface? See jpgs.
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