[CentOS] Slow network
Jeff Howell
jhowell at medianewsgroup.com
Wed Sep 16 15:31:48 UTC 2009
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
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