Cisco Bug: CSCum78930 - CMCC XM:ASR1013-CB--ICMPv6 packet-too-big is dropped by ZBFW
Jan 30, 2017
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
15.2(4)S 15.3(3)S 15.4(1)S 15.4(2)S n/a
Symptom: The ICMPv6 error packet (too-big packet) with icmpv6 echo reply as payload is dropped by ZBFW. Conditions: If the intermediate hosts generate icmpv6 error packets with icmpv6 echo reply as pay load without properly fragmenting the packets as per the mtu of the v6 packet flow, such icmpv6 errors packets will be dropped.
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