Fixed - yep MTU on the E1 link was the problem. Thanks Ryan, and all the other who tried in private e-mail. rgds, -- Peter Galbavy Knowledge Matters Ltd. http://www.knowledge.com/ ----- Original Message ----- From: "Ryan O'Connell" <ryan@complicity.co.uk> To: "Peter Galbavy" <peter.galbavy@knowledge.com> Cc: <nanog@merit.edu> Sent: Tuesday, January 23, 2001 3:36 PM Subject: Re: clue for the clueless please
On Tue, Jan 23, 2001 at 01:59:41PM -0000, Peter Galbavy wrote:
Yes, we intentionally (for some other reason during testing) set the MTU
the p2p link to 554 - oops. Will get it switched back... Still wondering though - if a normal dial-up has a lower than 1500 MTU, why would they work.
Sounds almost certainly like an MTU problem. Try www.bt.com, if that fails then it's pretty much definite. Microsoft are a bit silly for setting the DF bit on outbound packets, firewalls at web hosting facilities that block all ICMP are even more silly. Why on earth Microsoft, who must know about
on this
problem, block ICMP on their kit I don't know...
Most if not all dialup has an MTU of 1500.
-- Ryan O'Connell - <ryan@complicity.co.uk> - http://www.complicity.co.uk
I'm not losing my mind, no I'm not changing my lines, I'm just learning new things with the passage of time