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Cisco Bug: CSCvt06123 - C4500 Standby VSS Switch Crashing at XDR receive process

Last Modified

Jun 19, 2020

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(7)E

Description (partial)

Symptom:
C4500 Standby VSS switch would crash repeatedly at XDR Receive Process

the crashinfo file shows reason 

IOSD-EXT-SIGNAL: Segmentation fault(11), Process = XDR receive   


the switch may log continuously the following errors in FIB leading up to the crash

%COMMON_FIB-4-FIBHWIDBMISMATCH: STANDBY:Mis-match between hwidb Tunnel0 (ifindex 233) and fibhwidb Tunnel0 (ifindex 233)

%TUN-3-TUN_HA: STANDBY:Tunnel HA: Tunnel creation on standby: mismatching hw if_index

Conditions:
running PIM auto-rp learn and advertises itself as a RP for a single group.
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