Messages in this thread | | | Date | Tue, 27 Sep 2005 20:29:44 -0400 (EDT) | From | Justin Piszcz <> | Subject | TCP=828mbps, UDP=1mbps? (both running 2.6.13.2) |
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Any idea why with TCP I get 828 megabits on my gigabit connection but only 1.05 megabits with UDP?
Using iperf to benchmark.
TCP ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 192.168.1.12 port 5001 connected with 192.168.1.253 port 48853 [ 4] 0.0-35.1 sec 3.38 GBytes 828 Mbits/sec
UDP ------------------------------------------------------------ Server listening on UDP port 5001 Receiving 1470 byte datagrams UDP buffer size: 101 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.12 port 5001 connected with 192.168.1.253 port 32773 [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.043 ms 0/ 893 (0%)
p34:~$ netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 1266337 0 0 0 2588651 0 0 0 BMRU eth1 1500 0 2358 0 0 0 2229 0 0 0 BMRU eth2 1500 0 39706 0 0 0 5747 0 0 0 BMNRU lo 16436 0 184 0 0 0 184 0 0 0 LRU
box2:~$ netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 0 2955176 0 0 0 3696501 0 0 0 BMRU lo 16436 0 612 0 0 0 612 0 0 0 LRU
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