Date: Tue, 2 Oct 2001 09:09:10 -0500 From: "Lee E. Hinman Ph.D." <hinman@networkcs.com> To: xique <xique-list@subatomic.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: traceroute only works after ping Message-ID: <20011002090910.D89950@us.msp.networkcs.com> In-Reply-To: <B7DE074F.3FE1%xique-list@subatomic.net>; from xique-list@subatomic.net on Mon, Oct 01, 2001 at 11:49:47AM -0700 References: <B7DE074F.3FE1%xique-list@subatomic.net>
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This is just a guess but it sounds like the ping is correctly establishing the NAT, while the traceroute does not. Try doing: traceroute -P tcp <host-to-traceroute-to> traceroute is usually UDP and your router may not be setting up the NAT correctly, this might fix the problem. Lee On 10/01, xique wrote: > Perhaps someone can help explain this odd behavior. If I do a traceroute to > any host on the Internet it times out. If I ping the host first and then do > a traceroute it works fine. > > Things I have checked based on searching the mailing list archives: > > I am not running ipfw (firewall_enable="NO" in /etc/rc.conf) > I am not running ipf (ipfilter_enable="NO" in /etc/rc.comf) > > Other facts: > > This machine is running a generic, clean copy of FreeBSD 4.4. > I have a Linksys BEFSR11 (one-port) router with default configuration. > My 'net connection is an AT&T/RoadRunner/MediaOne cable modem. > > Even though I have an easy work-around I'd still appreciate help figuring > out why this is happening. Thanks! > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message End included message from xique -- Lee E. Hinman, Ph.D. netASPx (612) 337-3442 - office (612) 670-4514 - cell lee.hinman@netaspx.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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