From owner-freebsd-net Mon Nov 27 18:18:13 2000 Delivered-To: freebsd-net@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id CDF7837B4C5 for ; Mon, 27 Nov 2000 18:18:10 -0800 (PST) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id VAA00201; Mon, 27 Nov 2000 21:17:55 -0500 (EST) (envelope-from wollman) Date: Mon, 27 Nov 2000 21:17:55 -0500 (EST) From: Garrett Wollman Message-Id: <200011280217.VAA00201@khavrinen.lcs.mit.edu> To: Yip Mann Fai Cc: freebsd-net@FreeBSD.ORG Subject: 6to4 problem In-Reply-To: <5.0.2.1.0.20001128095340.00a4a5c0@postman.cwc.nus.edu.sg> References: <5.0.2.1.0.20001128095340.00a4a5c0@postman.cwc.nus.edu.sg> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: >> When I do a ifconfig stf0, it showed >> >> stf0: flags=1 mtu 1280 >> inet6 2002:8984:a376::1 prefixlen 16 This looks normal. My home machine (that I'm typing this on right now) looks like: stf0: flags=1 mtu 1280 inet6 2002:1217:b62::1 prefixlen 16 Routing seems to work in my office network: wollman@khavrinen(37)$ traceroute6 6to4.ipv6.microsoft.com traceroute to 6to4.ipv6.microsoft.com (2002:836b:9820::836b:9820), 30 hops max, 12 byte packets 1 2002:121a:12:180a:280:c8ff:feca:a765 0.552 ms 0.365 ms 0.323 ms 2 2002:836b:9820::836b:9820 145.199 ms * 158.539 ms (The office network is running 4.2-STABLE as of last Friday. Hopefully some time this week we'll start advertising 2002:1200::/24 to the 6bone.) >> stf0 is only UP but not RUNNING and it also does not have a link local >> address attached to it. Is this what is causing the problem that I'm facing? Link-local addresses don't make sense over 6to4, whose ``link'' is the entire IPv4 Internet. >> I've been trying to solve this problem for a week without any progress and >> its getting really frustrating. The only problem I've had was rather similar to yours except that I got ``host is down'' errors from ping6 et al. In that case, the problem was a mismatch between the configured 2002:foo:bar prefix on my local Ethernet and the actual 2002:baz:quux prefix which was appropriate for my IP address. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message