07-01-2010
IBM use to recommend creating another virtual network adapter, which it sounds like you did, for the IP address. When we setup our first Power 5 box, we put the network configuration on the SEA. At that time, IBM told us that every packet was getting inspected by the SEA and, therefore, slowing down all the network traffic.
Last time I talked to an IBM VIO server engineer, they told me that they now recommend that the network configuration be placed back on the SEA instead of an extra network adapter. We saw performance gains when we moved off it, so we are in no rush to move it back to the SEA.
I'm not saying you should move it over to your SEA or leave it where it is, I'm just passing on information I got from IBM.
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