---------- Original Message ----------------------------------
From: "RobertH" <roberth@xxxxxxxxxxxx>
Reply-To: CentOS mailing list <centos@xxxxxxxxxx>
Date: Tue, 9 Sep 2008 12:32:33 -0700
>>
>> 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.
>>
>>
>
>It appears you are on Comtrash where everything is CoMtRaSHtIc.
>
>Good for you. Dance a jig.
>
>Stop beating the MTU horse to death and get busy finding out how to best
>connect to the CPE devices.
>
>Google that stuff.
>
>First, when testing, disable (admin down) the internal network on the second
>nic
>
>Also, check to see what specific nics you have an if any recent issues with
>kernels and such and any updates.
>
>Google that too.
>
>Then Focus on the internet transit/transport infrastructure.
>
>Find out best way to interface with the cable modem CPE infrastructure.
>
>Meaning what speed and duplex.
>
>Trial and error.
>
>You will get there...
>
>Some nics need to be played with and dealt with in terms of kernel and other
>things like disable ipv6 in modprobe.conf and dhcp...
>
>You might be better off having an intermediate device between you and the
>cable modem if your nics don't wanna play nice with the cable modem.
>
>Last but not least, you can always check stats and see if collisions and
>errors on interfaces and more.
>
>Enjoy
>
> - rh
>
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>
1. Comcrap is not available in my area I am on road runner biz through bright house with 15m down and 2 up and static ip.
2. Already tested without the internal nic running
3. Tried with a router in between and the result is the same.
4. I do agree about the negotiation aspect, which I'm looking into as well.
5. Don't notice any collisions or errors on ifconfig.
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