From nobody@FreeBSD.org Thu Feb 1 06:00:00 2007 Return-Path: Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 319F116A403 for ; Thu, 1 Feb 2007 06:00:00 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [69.147.83.33]) by mx1.freebsd.org (Postfix) with ESMTP id 02A4313C471 for ; Thu, 1 Feb 2007 06:00:00 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id l115xxaV052121 for ; Thu, 1 Feb 2007 05:59:59 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id l115xxml052120; Thu, 1 Feb 2007 05:59:59 GMT (envelope-from nobody) Message-Id: <200702010559.l115xxml052120@www.freebsd.org> Date: Thu, 1 Feb 2007 05:59:59 GMT From: Vladimir Korkodinov To: freebsd-gnats-submit@FreeBSD.org Subject: [gre] bogus route after ifconfig tunnel X-Send-Pr-Version: www-3.0 >Number: 108645 >Category: kern >Synopsis: [gre] bogus route after ifconfig tunnel >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Feb 01 06:00:35 GMT 2007 >Closed-Date: Mon Feb 05 06:47:37 GMT 2007 >Last-Modified: Mon Feb 05 06:47:37 GMT 2007 >Originator: Vladimir Korkodinov >Release: 6.2-STABLE >Organization: ER-telecom >Environment: uname -a FreeBSD test 6.2-STABLE FreeBSD 6.2-STABLE #0: Wed Jan 31 19:11:02 YEKT 2007 viper@test:/usr/src/sys/i386/compile/viper i386 >Description: After the creation of tunnel bogus route appears. The tunnel does not work because of it. Temporarily it helps arp -ad. however this route may appears again after the certain time. I saw the similar symptoms on 6.1R and 6.2R. >How-To-Repeat: #ifconfig vr0: flags=8843 mtu 1500 inet 10.100.201.100 netmask 0xffff0000 broadcast 10.100.255.255 ether 00:05:5d:75:fd:73 media: Ethernet autoselect (100baseTX ) status: active plip0: flags=108810 mtu 1500 lo0: flags=8049 mtu 16384 inet 127.0.0.1 netmask 0xff000000 #arp -an ? (10.100.10.235) at 00:15:f2:5b:37:29 on vr0 [ethernet] #ifconfig gre1 create #arp -an ? (10.100.10.235) at 00:15:f2:5b:37:29 on vr0 [ethernet] #ifconfig gre1 tunnel 10.100.201.100 10.100.200.120 #arp -an ? (10.100.10.235) at 00:15:f2:5b:37:29 on vr0 [ethernet] ? (10.100.200.121) at (incomplete) on vr0 [ethernet] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #netstat -rn Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire 10.1.12.38 127.0.0.1 UGHS 0 2 lo0 10.100/16 link#1 UC 0 0 vr0 10.100.10.235 00:15:f2:5b:37:29 UHLW 1 110 vr0 1128 10.100.200.120 00:0c:29:0e:1d:b2 UHLW 2 42 vr0 1130 10.100.200.121 link#1 UHLW 2 0 vr0 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 127.0.0.1 127.0.0.1 UH 1 10 lo0 # ifconfig gre1 inet 10.1.12.38 10.1.12.37 netmask 255.255.255.252 # ifconfig gre1 mtu 1450 # ifconfig gre1 up # route add -host 10.1.12.38 127.0.0.1 # ping 10.1.12.37 PING 10.1.12.37 (10.1.12.37): 56 data bytes ^C --- 10.1.12.37 ping statistics --- 3 packets transmitted, 0 packets received, 100% packet loss #arp -ad 10.100.10.235 (10.100.10.235) deleted 10.100.200.120 (10.100.200.120) deleted 10.100.200.121 (10.100.200.121) deleted #ping 10.1.12.37 PING 10.1.12.37 (10.1.12.37): 56 data bytes 64 bytes from 10.1.12.37: icmp_seq=0 ttl=254 time=1.030 ms 64 bytes from 10.1.12.37: icmp_seq=1 ttl=254 time=0.605 ms ^C --- 10.1.12.37 ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.605/0.818/1.030/0.213 ms >Fix: Unknown >Release-Note: >Audit-Trail: From: "newbieman" To: FreeBSD-gnats-submit@FreeBSD.org, freebsd-bugs@FreeBSD.org Cc: Subject: Re: misc/108645: [gre] bogus route after ifconfig tunnel Date: Sat, 3 Feb 2007 17:07:20 +0500 Sorry for the mistake open PR. This is the normal state. It is necessary to create gre tunnel with parameter link1. The issue arose after an attempt to run wccp v2. Strangely, nowhere written that it is possible to combine flags link1 and link2. I read man and searched for in the search systems. Best regards State-Changed-From-To: open->closed State-Changed-By: linimon State-Changed-When: Mon Feb 5 06:47:19 UTC 2007 State-Changed-Why: Closed at submitter's request. http://www.freebsd.org/cgi/query-pr.cgi?pr=108645 >Unformatted: