Cisco Bug: CSCul40539 - ISM: NAT64 IPv6 packets get fragmented on Egress LC on ISM router
Last Modified
Jan 08, 2017
Products (1)
- Cisco ASR 9000 Series Aggregation Services Routers
Known Affected Releases
4.3.4.BASE 5.1.1.BASE
Description (partial)
Symptom: Translated IPv6 packets, even when DF bit was set on the original IPv4 header, might get fragmented on the egress linecard if the IPv6 MTU of next-hop is less than the size of the translated IPv6 packets. Conditions: NAT64 with IPv6 MTU of next-hop less than the translated IPV6 packet size.
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