Cisco Bug: CSCta20591 - SNMP reports wrong ifOperStatus for SONET controllers
Jan 31, 2017
- Cisco 7600 Series Routers
Known Affected Releases
Symptom: The customer observed the operating status of interfaces having ifType 51 is wrong, being reported as down while via CLI it's actually up. antasson@sweet-brew-3% snmpwalk -v2c -c public aquarius .18.104.22.168.22.214.171.124.1 | grep "\.145 =" IF-MIB::ifIndex.145 = INTEGER: 145 IF-MIB::ifDescr.145 = STRING: TU 3/0/0.1/2/5/2 IF-MIB::ifType.145 = INTEGER: sonetVT(51) IF-MIB::ifSpeed.145 = Gauge32: 2048000 IF-MIB::ifPhysAddress.145 = STRING: IF-MIB::ifAdminStatus.145 = INTEGER: up(1) IF-MIB::ifOperStatus.145 = INTEGER: <CmdBold>down(2)<noCmdBold> IF-MIB::ifLastChange.145 = Timeticks: (0) 0:00:00.00 while on the device it's: Aquarius# sh controllers sonet 3/0/0.1/2/5/2 SONET 3/0/0 is up. Path mode C12 AU-4 1, TUG-3 2, TUG-2 5, E1 2 (C-12 1/2/5/2) is <CmdBold>up<noCmdBold> timeslots: 1-31 No alarms detected. Framing is crc4, Clock Source is Internal Data in current interval (271 seconds elapsed): 0 Line Code Violations, 0 Path Code Violations 0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs (...) Conditions: The bug has been verified on a 7600 running 12.2(33)SRB4.
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