(Message mtu:12) Date: 01 Dec 1997 21:56:52 MST From: Dave Kaminski Newsgroups: comp.dcom.sys.cisco Subject: Re: Cannot reach sites with MTU<1500 Approved: news@news.colorado.edu X-Return-Path: dhesi@rahul.net X-Nojunk-Status: OK 0 Organization: University of Colorado at Boulder Sender: daemon@lace.colorado.edu Distribution: world Nntp-Posting-Host: lace.colorado.edu X-Note1: message-id generated by recnews X-Note2: mail msgid was <199712011759.MAA08050@rtp-cse-293.cisco.com> Xref: samba.rahul.net comp.dcom.sys.cisco:41059 I have a customer with the exact same issue when trying to reach altavista. His ethernet workstations work fine. The token rings workstations do not. The traces that the customer sent to me showed that the conversation just stops. Sincerely, Dave Kaminski Cisco Systems > On Mon, 1 Dec 1997, Wade Williams wrote: > > > At 02:55 PM 12/1/97 +1200, Franck Martin wrote: > > >I had this strange problem with a very few sites on the net: > > > > > >www.hotmail.com > > >www.compaq.com > > >www.ausaid.gov.au > > ... > > > > I've seen this behavior before. In our case, it was happening with the > > Novell technical support web site. We could reach the first page of the > > Novell site fine, but when we wanted to go to the tech support area (served > > by a different server), we couldn't reach it. > > ... > > To add to the tales of MTU size, we have seen problems in the opposite > direction i.e. with Token-ring attached PCs using default MTU size > 1500. > Those PCs are able to access almost everywhere except... > altavista.digital.com, www.adobe.com and www.mcafee.com (the PCs are > connected to 2502 routers). PCs running OS/2 don't have that problem, > Win95 and NT have that problem. The solution again is to change the MTU > size on those PCs to 1500. > > When we put a sniffer in front of the PC we see that the first part of the > home page was missing. Couldn't tell who ate it.