Messages in this thread | | | Subject | Re: 2.0 vs 2.2 ppp trouble | Date | Mon, 21 Feb 2000 12:31:18 +0000 (GMT) | From | Alan Cox <> |
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> We can't put our finger on it yet, but it seems that if you use a MTU/MRU > of 1500 for ppp connects the 2.2 kernel is doing fine, but when you use a > lower MTU, fi 576 for better response on slow links, packages seem to get > lost.
You mean you can't view certain web sites
> So far we have seen this behaveour on all 2.2 kernels that have a > different MTU on the internal ethernet adapter and the external ppp > adapter.
Sounds like broken MTU discovery or incorrect firewalling at the remote end. 2.0 probably isnt doing path mtu discovery. Quite a few large web sites have incorrectly configured firewalls, including one very big one beginning with Y. These people often paid a consultant a lot of money to break their networking and they wont listen to other people telling them its wrong.
Alan
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