Cisco Bug: CSCum85923 - 4500/Sup6L-E/15.1(2)SG2 "ipv6 nd raguard" drops Router solicitation

Last Modified

Nov 27, 2020

Products (1)

Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.1(2.0)

Description (partial)

Symptom:
Router-solicitation(RS) messages are dropped on the switch port that have IPv6 RA guard enabled. On removing RA guard, RS messages go through. 

Releases tested:

Affected releases: 151-2.SG2 and 152-1.E.bin             

Unaffected releases: 150-2.SG.bin

Conditions:
This symptom occurs when "ipv6 nd raguard" is enabled.

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