nanog mailing list archives
PPPOE, MTU, and boom.
From: Alex Rubenstein <alex () nac net>
Date: Wed, 18 Jul 2001 02:50:19 -0400 (Eastern Daylight Time)
(this is not intending to be a PPPOE holy war, so, please read on). Over the last few days, I've be pfutzing with getting PPPOE working (it's really our only choice, as Verizon only offers a 1483 service). We're using Cisco 7200's and 4700's to aggregate them on our side, from DS3 and OC3 ATM circuits. We're using VPDN in 12.1T, with PPPOE. The PPP and AAA and all that seem to work fine, however, we're having a browsing issue. I've checked every setting I can think of, including MTU (which is obvious and set to 1492), IP Header Compression (which when turned off fixed 99% of the problems), but there is still a few websites that we cannot get to, no matter what. I have confirmed that when I block all ICMP to/from a website, we cannot browse that site -- which is somewhat obivious. The question is, how, as an internet community as a whole, do we fix this? Some significant sites are like this -- the bill-checking portion of www.americanexpress.com, www.intuit.com, www.visa.com, some portions of www.chase.com, etc. Seems to me that most people using PPPOE would have a problem here. Or, am I alone? My testing has been limited to Win2k, but I've heard similar reports on WinME, 98, etc. -- Alex Rubenstein, AR97, K2AHR, alex () nac net, latency, Al Reuben -- -- Net Access Corporation, 800-NET-ME-36, http://www.nac.net --
Current thread:
- PPPOE, MTU, and boom. Alex Rubenstein (Jul 17)
- Re: PPPOE, MTU, and boom. Simon Lockhart (Jul 17)
- Re: PPPOE, MTU, and boom. Stephen J. Wilcox (Jul 17)
- <Possible follow-ups>
- Re: PPPOE, MTU, and boom. Alex Rubenstein (Jul 18)
- Re: PPPOE, MTU, and boom. Alex Rubenstein (Jul 18)
- Re: PPPOE, MTU, and boom. Jamie Bowden (Jul 18)
- Re: PPPOE, MTU, and boom. Alex Rubenstein (Jul 18)
- Re: PPPOE, MTU, and boom. Charles Sprickman (Jul 18)
- Re: PPPOE, MTU, and boom. Robert Boyle (Jul 18)
- Re: PPPOE, MTU, and boom. Alex Pilosov (Jul 18)
- Re: PPPOE, MTU, and boom. Jeff Mcadams (Jul 18)
- Re: PPPOE, MTU, and boom. Alex Rubenstein (Jul 18)