---------- Original Message ---------------------------------- From: Ric Moore wayward4now@gmail.com Reply-To: CentOS mailing list centos@centos.org Date: Tue, 09 Sep 2008 14:56:58 -0400
On Mon, 2008-09-08 at 23:46 -0600, Joseph L. Casale wrote:
I have a server with dual nic's running centos 5.2 1 nic connects to the cable modem, which has 15m d and 2m up, but speed tests barely come back at 5mb down including road runner's internal speed test. I hook up my laptop to the same modem, same port, using the same cable and I get 17mb down. I have ruled out iptables, nics (because same result on both nics), cables, cable modem(with a brighthouse rep) any suggestions would be greatly appreciated. Thanks.
So I gather the nics aren't teamed from your wording, maybe MTU is set sub optimal for your particular ISP? What OS on your laptop? Wrong MTU can have a significant effect such as this.
"Back in the day..." there used to be a utility that would test your connection for the optimal MTU setting. Is there something like that for Linux?? Ric
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I got my information about the MTU setting from doing google searches and the message boards on broadband reports as well as doing the tweak test on broad band reports.
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