Dear all, Do you have an idea about the best settings I can use to increase point-to-point throughput? With a 4 NIC teaming in balance-rr I cannot achieve more bandwidth than if I use a 2 NIC team, sometimes it is even worst. I have tested the connections by using netperf and a practical test using rsync.
I currently have 2 PE2950, each one has an Intel 4 Port Gigabit card. Installation is RHEL 5. Latest igb driver installed manually and GRO is off. MTU is 9000. For each machine, all four cables are connected to a PowerConnect 6248 switch. Do you know what special settings should I use in the switch to increase the speed. Currently I have increased the MTU for the ports but no LAGs configured for this and it seems to work without trouble. I also noticed that although the Transmit load in the interfaces is evenly distributed, the receive is not. Now reading it seems that I need to create a LAG and configure STP and Bridge Multicast support. Any ideas would be welcomed. Thanks, Francisco
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