Date: Sun, 24 Oct 2004 18:40:42 +0200 From: Martin Schweizer <pcservi@spectraweb.ch> To: Erik Mossberg <omikjam@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: GRE tunnel problem om FreeBSD 5.2.1 Message-ID: <20041024164042.GB11510@saturn.pcs.ms> In-Reply-To: <129bb9070410210709532226ff@mail.gmail.com> References: <129bb9070410210709532226ff@mail.gmail.com>
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--61jdw2sOBCFtR2d/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello Erik I use pptpd with GRE without problems. First I had also troubles with the i= pfw=20 but now it works great. Do you use also ipfw? Am Thu, Oct 21, 2004 at 04:09:39PM +0200 Erik Mossberg schrieb: > Hello, > I have a weird problem with a GRE tunnel, the setup is as follows; > gre0: flags=3Db051<UP,POINTOPOINT,RUNNING,LINK0,LINK1,MULTICAST> > mtu > 1476 > tunnel inet 213.67.20.137 --> 194.145.248.113 > inet 194.145.248.138 --> 194.145.248.137 netmask 0xfffffffc > And I've tried both w/ and w/o the link1 option mentioned in the man > page for gre. >=20 > netstat -rn -f inet: > Destination Gateway Flags Refs Use Netif > Expire > default 213.67.20.1 UGS 17 19250541 rl1 > 127.0.0.1 127.0.0.1 UH 1 1802 lo0 > 192.168.0 link#1 UC 0 0 rl0 > 192.168.0.54 00:04:75:c8:18:d8 UHLW 2 5683090 rl0 > 608 > 192.168.0.55 link#1 UHLW 2 140 rl0 > 192.168.0.91 00:0d:54:9a:d2:d1 UHLW 0 13538 rl0 > 1039 > 192.168.0.95 00:0d:88:81:fd:98 UHLW 0 766395 > rl0 5 > 192.168.5.2 192.168.5.1 UH 0 12 gif2 > 194.145.248.137 194.145.248.138 UH 0 1177 gre0 > 213.67.20 link#2 UC 0 0 rl1 > 213.67.20.1 00:10:67:00:c4:39 UHLW 1 0 rl1 > 234 > 213.67.20.108 00:10:67:00:c4:39 UHLW 0 12 rl1 > 822 > 213.67.20.137 127.0.0.1 UGHS 0 136 lo0 >=20 > when I try to ping 194.195.248.137 I have a 95% packet loss, but when > pinging from remote to 194.145.248.138 works just fine with no packet > loss. >=20 > tcpdump -eni rl1 shows this: > 22:05:55.148354 0:10:a7:13:bf:58 0:10:67:0:c4:39 0800 122: > 213.67.20.137 > 194.145.248.113: gre (frag 49403:88@752+) > 22:05:56.158351 0:10:a7:13:bf:58 0:10:67:0:c4:39 0800 122: > 213.67.20.137 > 194.145.248.113: gre (frag 49410:88@51176) >=20 > Sometimes the packet 1 or 2 packets goes through and gets a reply > though. >=20 > I use: > FreeBSD 5.2.1-RELEASE-p5 #3: Sun Apr 18 22:25:17 CEST 2004 > omicron@fisken:/usr/obj/usr/src/sys/merltock i386 >=20 > When google-ing for this problem I found this: > http://lists.freebsd.org/pipermail/freebsd-current/2004-February/02039 > 4.html >=20 > Which seems to be the same problem, can the bug have been brought back > afterwards? > I hope I didn't miss any info.. >=20 > I will try upgrading to 5.3-RC1, seems to have been alot of fixes > since then, but I'd be glad for any information what might be the > cause of this problem. >=20 > Thanks. >=20 > Regards, > Erik > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" --=20 Regards Martin Schweizer <info@pc-service.ch> PC-Service M. Schweizer GmbH; Gewerbehaus Schwarz; CH-8608 Bubikon Tel. +41 55 243 30 00; Fax: +41 55 243 33 22; http://www.pc-service.ch; public key : http://www.pc-service.ch/pgp/public_key.asc;=20 fingerprint: EC21 CA4D 5C78 BC2D 73B7 10F9 C1AE 1691 D30F D239; --61jdw2sOBCFtR2d/ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (FreeBSD) iD8DBQFBe9sKwa4WkdMP0jkRAmvGAKCI5FQCHqdDxKmo/ftItP5rNbeaqQCg4VNH guz+pcJpaB+ExIiOI0kEb/c= =ANzg -----END PGP SIGNATURE----- --61jdw2sOBCFtR2d/--
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