Support for Arista interface err-disabled status

[shimamizu]

Basically same idea as this which is still pending I believe:

Support for CISCO interface err-disabled status

Hello, CISCO devices have a mechanism to automatically shut down a port when there’s a policy violation (Port Security Violation, BPDU guard, etc.) In LibeNMS these err-disabled ports appear as “OK”, because no error on the interface-error counters are detected (which is true). However I’d like to monitor my devices for such ports which are in “err-disabled” state (because these are exactly the ports you are interested in). My suggestion is to create something like an "extended port"state th…

But let’s also add support for Arista.

PS - I pinged Arista real quick to find out if there’s a quick SNMP OID to query for the proper status, will update here when I get a reply.

[shimamizu]

Well this is sad, per Arista:
“Unfortunately we don’t have a SNMP OID for error disabled ports. We have an RFE 48803 for the same.”