Re: won't talk to 2.4.0-test7 system

From: Alan Cox (
Date: Sat Sep 02 2000 - 11:12:19 EST

> > Or wait until more vendors roll out ECN
> There is another big problem like that...
> tunnels actually do not work on todays real internet...
> MTU 1500 is so much a standard that it starts killing tunnels.
> MTU < 1500 is not a working solution today thanks to (mostly
> linux based ? ) broken firewalls

Most of the broken firewalls I see for MTU stuff are Firewall-1. But to be
fair to the vendors they are *incorrectly configured*. People blindly block
ICMP and it causes them problems. The good news is that PPPoE is starting to
make the sites that blindly block ICMP have problems and lose significant

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This archive was generated by hypermail 2b29 : Thu Sep 07 2000 - 21:00:13 EST