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From: James C. <jam...@hp...> - 2004-10-19 00:21:36
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On Sun, Oct 17, 2004 at 06:43:25PM -0700, Richard Gong wrote: > I use wlan0 to get on the internet. The following are the tcpdump > messages. Seems there is no return from the server, how come? James Cameron wrote: > If none are coming back, then the possible causes are; > > a) GRE packets are not reaching the server, because they are being > dropped by intervening equipment, such as ADSL modems (which are > routers), > > b) GRE packets from the server are not reaching the client, because > they are being dropped by other equipment, or because the client's > firewall rules are preventing them from being accepted. > > See http://pptpclient.sourceforge.net/howto-diagnosis.phtml#gre -- James Cameron http://quozl.netrek.org/ HP Open Source, Volunteer http://opensource.hp.com/ PPTP Client Project, Release Engineer http://pptpclient.sourceforge.net/ |