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Cisco Bug: CSCuq78160 - netstack does not route ipv6 gw probe packets with source LL address

Last Modified

Sep 09, 2019

Products (1)

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

Known Affected Releases

6.2(8a)

Description (partial)

Symptom:
Host machines marking HSRPv6 gateway as unreachable.

Conditions:
Host sends unicast NS probes to HSRPv6 IP in vpc or vpc+ scenario with source address as Link local. Such packets land on HSRP standby and needs to go over peer link to HSRP active.
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