One thing I found was that the MTU of the GRE interfaces was different
than the MTU on the routers. I fixed that and am currently testing it.
Adrian Chadd wrote:
> What you want to do is try and find a tcpdump capture for the broken
> HTTP flows.
>
> I'd make sure window scaling is disabled, ECN is disabled and I'd
> change the default route TCP MSS to be < 1500 (say, 1400 or 1300.)
> Make sure if you use GRE then the route GRE is using is 1500. :)
>
> (I'm playing around with tproxy at home and I'm having slow loading issues;
> I have a feeling I'm seeing PMTU related issues. Hm.)
>
>
>
> Adrian
>
Received on Thu Jan 17 2008 - 11:14:04 MST
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