From owner-freebsd-mobile@FreeBSD.ORG Fri Dec 10 14:35:06 2004 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9D71916A4CE for ; Fri, 10 Dec 2004 14:35:06 +0000 (GMT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id D4A2743D46 for ; Fri, 10 Dec 2004 14:35:05 +0000 (GMT) (envelope-from nohuman@gmail.com) Received: by wproxy.gmail.com with SMTP id 70so551314wra for ; Fri, 10 Dec 2004 06:35:05 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding; b=DBYaMD1oWfISSB6XNy1Gsdz7tE0W4cCE3XP9qUrxnZssKzZuCEFY6EuUfQvpB4cAkcKAle88xUrugZlGABG39p6NVL2j3q0xzmgfpMui7EyJCBiuztQ3fbX5I6UL0F06R3n2LXl1KJjgIxA39fgRSeynpE6I72foYaoMDhjxq3w= Received: by 10.54.5.60 with SMTP id 60mr322502wre; Fri, 10 Dec 2004 06:35:04 -0800 (PST) Received: by 10.54.31.63 with HTTP; Fri, 10 Dec 2004 06:35:04 -0800 (PST) Message-ID: <5e51d2fd04121006353107b84a@mail.gmail.com> Date: Fri, 10 Dec 2004 15:35:04 +0100 From: Thomas Beer To: mobile@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Wifi Problem X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Thomas Beer List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Dec 2004 14:35:06 -0000 Dear All, I try to connect a laptop (XP) with a FBSD router. If I use only WEP encryption it works not well but it works. If I apply IPSec it works miserable but ICMP will not reach any host. Topology: ------------------------------------------------------------------------------- | | 192.168.2.2 (Wifi) 192.168.2.8 (XP Client) 192.168.1.2 (Norm. Ethernet) This tcpdump is without IPSec but WEP encrypted. Please not the packet loss of 72%: ping ibm.mobile PING ibm.mobile (192.168.2.8): 56 data bytes 36 bytes from amd.newworld (192.168.1.2): Time to live exceeded Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 5400 8c48 0 0000 01 01 a906 192.168.1.2 192.168.2.8 36 bytes from amd.newworld (192.168.1.2): Time to live exceeded Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 5400 da0b 0 0000 01 01 5b43 192.168.1.2 192.168.2.8 36 bytes from amd.newworld (192.168.1.2): Time to live exceeded Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 5400 8a64 0 0000 01 01 aaea 192.168.1.2 192.168.2.8 36 bytes from amd.newworld (192.168.1.2): Time to live exceeded Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 5400 9476 0 0000 01 01 a0d8 192.168.1.2 192.168.2.8 36 bytes from amd.newworld (192.168.1.2): Time to live exceeded Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 5400 3e51 0 0000 01 01 f6fd 192.168.1.2 192.168.2.8 <--- snip ---> 36 bytes from amd.newworld (192.168.1.2): Time to live exceeded Vr HL TOS Len ID Flg off TTL Pro cks Src Dst 4 5 00 5400 30fd 0 0000 01 01 0452 192.168.1.2 192.168.2.8 64 bytes from 192.168.2.8: icmp_seq=51 ttl=128 time=3.109 ms 64 bytes from 192.168.2.8: icmp_seq=52 ttl=128 time=2.609 ms 64 bytes from 192.168.2.8: icmp_seq=53 ttl=128 time=2.371 ms 64 bytes from 192.168.2.8: icmp_seq=54 ttl=128 time=2.617 ms 64 bytes from 192.168.2.8: icmp_seq=55 ttl=128 time=2.505 ms 64 bytes from 192.168.2.8: icmp_seq=56 ttl=128 time=2.422 ms 64 bytes from 192.168.2.8: icmp_seq=57 ttl=128 time=2.801 ms 64 bytes from 192.168.2.8: icmp_seq=58 ttl=128 time=2.956 ms 64 bytes from 192.168.2.8: icmp_seq=59 ttl=128 time=2.583 ms <--- snip ----> 64 bytes from 192.168.2.8: icmp_seq=182 ttl=128 time=3.619 ms 64 bytes from 192.168.2.8: icmp_seq=189 ttl=128 time=2.832 ms 64 bytes from 192.168.2.8: icmp_seq=196 ttl=128 time=3.230 ms 64 bytes from 192.168.2.8: icmp_seq=197 ttl=128 time=12.565 ms 64 bytes from 192.168.2.8: icmp_seq=204 ttl=128 time=7.226 ms 64 bytes from 192.168.2.8: icmp_seq=211 ttl=128 time=2.635 ms 64 bytes from 192.168.2.8: icmp_seq=212 ttl=128 time=16.048 ms 64 bytes from 192.168.2.8: icmp_seq=218 ttl=128 time=2.444 ms 64 bytes from 192.168.2.8: icmp_seq=219 ttl=128 time=10.598 ms 64 bytes from 192.168.2.8: icmp_seq=226 ttl=128 time=7.372 ms 64 bytes from 192.168.2.8: icmp_seq=239 ttl=128 time=2.806 ms 64 bytes from 192.168.2.8: icmp_seq=240 ttl=128 time=2.747 ms 64 bytes from 192.168.2.8: icmp_seq=241 ttl=128 time=11.169 ms 64 bytes from 192.168.2.8: icmp_seq=248 ttl=128 time=5.883 ms ^C --- ibm.mobile ping statistics --- 253 packets transmitted, 69 packets received, 72% packet loss round-trip min/avg/max/stddev = 2.332/4.867/18.501/3.889 ms I changed the MTU on both cards to 1420 with no avail. Pinging from the XP Client to FBSD works smoothly. Overall connectivity is fine. What could be the (routing) problem, how to solve it? Cheers Tom