ethtool eth0 and lsmod would be helpful as well. centos at 911networks.com wrote: > Hi, > > I have problem with a Centos 5.3 computer. The networking is very > slow. The networking card is a RealTek 1GigE. > > I plugged an Ubuntu laptop on the same cable and port with an Intel > GigE, and it's about 8 to 10 times faster. So the problem is likely to > be with the CentOS config. > > Any suggestion on how to track down the problem with speed. > > I have checked the packets with wireshark, no problem. > > Here's my ethtool eth0 output: > > Advertised auto-negotiation: Yes > Speed: 1000Mb/s > Duplex: Full > > Here's ifconfig eth0 > > eth0 Link encap:Ethernet HWaddr 00:06:7B:00:14:16 > inet addr:192.168.2.103 Bcast:192.168.2.255 Mask:255.255.255.0 > inet6 addr: fe80::206:7bff:fe00:1416/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3139398 errors:0 dropped:0 overruns:0 frame:0 > TX packets:2890605 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:4048643591 (3.7 GiB) TX bytes:257250846 (245.3 MiB) > > Any suggestion? > > -- Jeff Howell Sr. Linux Administrator Media News Group interactive 303.563.6394 jhowell at medianewsgroup.com