We currently have about 8 VLANS on our 6513 server farm switch. I'm seeing a lot of retransmission from server to server and I wanted to see if our network is being over utilize. If I span a VLAN I don't see that much effect on the bandwidth utilization. But if I span all the VLANS on the 6513 I see the bandwidth go up to 100% I'm not sure if this is the correct way to see it more accurately. Please advice.
I have this problem too.