nanog mailing list archives
Re: clue for the clueless please
From: "Ryan O'Connell" <ryan () complicity co uk>
Date: Tue, 23 Jan 2001 15:36:53 +0000
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 on 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 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
Current thread:
- clue for the clueless please Peter Galbavy (Feb 24)
- Re: clue for the clueless please Ryan O'Connell (Feb 24)
- Re: clue for the clueless please Peter Galbavy (Feb 24)
- Re: clue for the clueless please Ryan O'Connell (Feb 24)
- Re: clue for the clueless please Peter Galbavy (Feb 24)
- Re: clue for the clueless please Brian (Feb 24)
- Re: clue for the clueless please Peter Galbavy (Feb 24)
- Re: clue for the clueless please Ryan O'Connell (Feb 24)
- <Possible follow-ups>
- RE: clue for the clueless please Roeland Meyer (Feb 24)