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Cisco Bug: CSCtd67124 - IPFIB crash during ISSU upgrade of I/O module

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases


Description (partial)

Following message is logged immediately after an ISSU upgrade:
%SYSMGR-SLOT10-2-SERVICE_CRASHED: Service "ipfib" (PID 1591) hasn't caught signal 11 (core will be saved).
IPFIB crash may occur during recovery of multicast routes in HW following ISSU upgrade.

Following conditions have to be met to encounter this issue:
Multiple VRFs are configured
Multicast routing is configured and routes are present during upgrade
Multiple ISSU upgrades have occurred without a reload of the switch (ex. 4.1(5) -> 4.2(2) -> 4.2(2a))
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