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Add LSO IPv6 SEA/VEA attributes to VIOS Performance Advisor and potentially default rules
The VIOS Performance Advisor is a very useful tool to verify the configuration of a running VIOS LPAR. Currently only some of the LargeSend attributes are reported when incorrectly set.
Based on TS010353771, I was advised one of the IPv6 attributes were incorrectly set (or rather were left at the defaults). The end result was LSO for IPv6 traffic was not correctly routing out of the SEA.
The ipv6_offload attribute on the VEA used by the SEA was not set to yes. As the LargeSend and LargeReceive attributes of the SEA adapter itself are currently reported on by the VIOS Advisor, it feels like there's a few related attributes which could also be reported on by the Advisor.
rules -o deploy -d (which I use when building new VIOS LPARs) does not appear to set this attribute either.
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