This UnDP will display the additionalportstatus of your interfaces based on the CISCO-STACK-MIB.
portAdditionalOperStatus
OID 1.3.6.1.4.1.9.5.1.4.1.1.23
VALUES:
0 : other
1 : connected
2 : standby
3 : faulty
4 : notConnected
5 : inactive
6 : shutdown
7 : dripDis
8 : disabled
9 : monitor
10 : errdisable
11 : linkFaulty
12 : onHook
13 : offHook
14 : reflector