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Cisco Bug: CSCun60330 - netstack cores found @ip_get_if_context

Last Modified

Feb 26, 2019

Products (1)

  • Cisco MDS 9000 NX-OS and SAN-OS Software

Known Affected Releases

6.2(14)FB(0.78) 7.2(0)D1(0.392)

Description (partial)

Symptom:
Netstack core observed if a remote race condition is hit. Please refer to conditions for more info.

Conditions:
Suppose there is an interface ethernet x/y and it belongs to a VRF X and there is an IP command being present on the interface , and then a breakout is done, the Netstack core is seen only if the following sequence of events happen in the system(rarely happens):
i)As part of breakout, no version of IP commands are received by Netstack and this happens before the system moves the interface on which it is configured to the correct VRF
ii)Sytem moves the interface to correct VRF of which it is a member
iii) Status of the interface in question changes as part of breakout.

This is an extremely remote corner condition.
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