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bebru01 and 6to4
![[be]](/s/countries/be.gif) Shadow Hawkins on Sunday, 29 October 2006 20:59:07
Hello
I wanted to provide IPV6 connectivity to a host with a fixed ipv4 address, so I decided to try using 6to4 in place of requesting another tunnel on my SixXS account.
From the 6to4 host (2002:5292:669b:1348::1) I can ping noc.sixxs.net and ftp.belnet.be (2001:6a8:3c80:0:203:baff:fe39:f931) for example, but not my SixXS tunnel endpoint cl-20.bru-01.be.sixxs.net (2001:6f8:202:13::2).
From the 6to4 host:
traceroute to cl-20.bru-01.be.sixxs.net (2001:6f8:202:13::2) from 2002:5292:669b:1348:205:5dff:fe08:b187, 30 hops max, 16 byte packets
1 2002:5292:669b:1348::1 (2002:5292:669b:1348::1) 0.656 ms 0.397 ms 0.292 ms
2 swiIX1.switch.ch (2001:620:0:c000::9) 96.632 ms 48.72 ms 48.722 ms
3 swiEZ2-10GE-1-3.switch.ch (2001:620:0:c00a::1) 46.637 ms 47.353 ms 45.568 ms
4 swiLS2-10GE-1-1.switch.ch (2001:620:0:c03c::1) 45.556 ms 58.28 ms 59.621 ms
5 swiCE2-10GE-1-3.switch.ch (2001:620:0:c006::1) 46.536 ms 51.44 ms 79.871 ms
6 2001:1900:5:2::d (2001:1900:5:2::d) 64.294 ms 101.165 ms 70.299 ms
7 * * *
8 * * *
9 * * *
From cl-20.bru-01.be.sixxs.net:
traceroute to 2002:5292:669b:1348::1 (2002:5292:669b:1348::1) from 2001:6f8:202:13::2, 30 hops max, 16 byte packets
1 gw-20.bru-01.be.sixxs.net (2001:6f8:202:13::1) 9.611 ms 9.339 ms 10.843 ms
2 sixxs-gw.gdbru.be.easynet.net (2001:6f8:200:1003::1) 10.483 ms 10.256 ms 11.127 ms
3 fe0-0-1-0.br3.gdbru.be.easynet.net (2001:6f8:200:6::3) 11 ms 10.95 ms 10.574 ms
4 ge0-0-0-0.gr0.gdbru.be.easynet.net (2001:6f8:0:200::1) 10.252 ms 60.415 ms 10.793 ms
5 so0-2-0-0.gr0.thlon.uk.easynet.net (2001:6f8::3:20:1) 14.223 ms 15.423 ms 16.072 ms
6 ge0-2-0-0.br1.thlon.uk.easynet.net (2001:6f8:0:601::44:2) 15.635 ms 15.725 ms 15.836 ms
7 2001:6f8:605:3:212:1eff:fe24:f0db (2001:6f8:605:3:212:1eff:fe24:f0db) 15.438 ms 15.589 ms 15.295 ms
8 ge1-0-0.th2-peer2.lon.uk.sn.6.net (2001:7f8:4::cae:1) 15.962 ms 15.68 ms 15.8 ms
9 * * *
10 * * *
11 * * *
12 * * *
It seems that it is not possible to reach a 6to4 host from the bebru01 POP ?
I tested a traceroute from some other POP, via http://noc.sixxs.net/tools/traceroute/. Most can ping my 6to4 host.
Any idea what the problem is, and what I could do to be able to reach the 6to4 host from my SixXS tunnel and vice-versa ?
bebru01 and 6to4
The host (2001:6a8:3c80:0:203:baff:fe39:f931) doesn't seem to ping from any of the IPv6 enabled hosts I have access to, including noc.sixxs.net
You might though want to look at ticket <a href="https://noc.sixxs.net/tickets/?msg=tickets-407872">#407872</a> as it seems like it has some similar hosts involved.
Also, if I where you I would simply go for a static IPv6 tunnel as those work much more reliable than 6to4 will ever be. Debugging is then suddenly also much easier, next to that your traffic doesn't have to flow over Switzerland or through London to reach a host which is around the corner.
bebru01 and 6to4
Shadow Hawkins on Monday, 30 October 2006 14:55:39
Weird, I can ping ftp.belnet.be (2001:6a8:3c80:0:203:baff:fe39:f931) right now from cl-20.bru-01.be.sixxs.net.
I already looked at the ticket #407872, but I don't have the same config problem.
Anyway, I'll use a static tunnel as you suggest. 6to4 is maybe easier to setup but certainly less reliable.
Thanks
bebru01 and 6to4
Shadow Hawkins on Friday, 01 December 2006 16:49:18
I have same problem with doing a traceroute with bebru1, but I can connect (and ping) to the host, it's very weird. Have a look at https://noc.sixxs.net/tickets/?msg=tickets-425175
The ticket has been closed as worksforme. :/
I've tried yesterday at a friend's and he has the same problem.
bebru01 and 6to4
As mentioned in the ticket, use the list in "Reporting Problems" on the contact page. "It does not work" doesn't make clear to us what exactly doesn't work.
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![[ch]](/s/countries/ch.gif)
on Sunday, 29 October 2006 21:35:57
Posting is only allowed when you are