Cisco Bug: CSCur66067 - 6880X Active VSS switch shows "UNKNOWN" RRP state for the peer.
Last Modified
Jan 25, 2019
Products (1)
- Cisco Catalyst 6000 Series Switches
Known Affected Releases
15.2(1)SY
Description (partial)
Symptom: Active VSS switch shows "UNKNOWN" RRP state for the peer(STANDBY) in the output of "show vslp rrp detail" . M-VSS#sh vslp rrp d RRP Summary: -------------------------------------------------------------------- RRP information for Instance 1 -------------------------------------------------------------------- Valid Flags Peer Preferred Reserved Count Peer Peer -------------------------------------------------------------------- TRUE V 1 1 1 Peer Valid Switch Status Priority Role Local Remote Switch Group Number Oper(Conf) SID SID ----------------------------------------------------------------------------- Local 0 TRUE 1 UP 110(110) ACTIVE 0 0 Remote 1 TRUE 2 UP 100(100) UNKNOWN 8380 1170 <<< Following this, if the STANDBY gets reloaded for any reason, it will not be able to attach back to ACTIVE and will result in Split-brain scenario (ACTIVE-ACTIVE). Post this if DUAL-ACTIVE is configured it will result in "recovery-mode" . Conditions: The issue has only been observed if Console is "hung" .
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