I was called out to look at a email issue between two hub transport servers for a international energy company. Messages were sitting in the queue for long periods of time in the Perth office and were having trouble reaching remote sites. After some investigation I used a bandiwidith testing program called IPerf to monitor bandiwith between the two hub transport servers and found out that they were only getting 700 bits a second between the two servers. This was not due to the link being maxed out.
The ProLiant DL380 G5 server in the remote site was running HP v2.8.13.0 with teaming enabled.
We upgraded the network drivers to the latest as of this writing v5.0.13.0 and disabled teaming. Full network speed returend and email begain flowing correctly.
Was a really weird issue. The client did not want to re-enable teaming until they replace the Cisco 2950 switch!
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