Bad IPv6 connectivity or why not to announce more specifics (Was: IPv6 news)
Christopher L. Morrow
christopher.morrow at mci.com
Thu Oct 13 22:41:18 UTC 2005
On Thu, 13 Oct 2005, Nicholas Suan wrote:
>
> Valdis.Kletnieks at vt.edu wrote:
>
> >Somehow, I don't think anything that Abilene does is going to fix Jordi's
> >routing. From where *you* are, do *you* have a path to 2001:0440:1880:1000::0020
> >that *doesn't go through Japan? If so, what does your path look like?
> >
> >
> At least some parts of the US seem to.
> This wouldn't be so bad if I didn't have to go across the US to get to
> the first hop:
>
> FT at vash:~$ /usr/sbin/ntpdate -q 2001:0440:1880:1000::0020 192.36.143.234
> server 2001:440:1880:1000::20, stratum 1, offset -0.005350, delay 0.27211
> server 192.36.143.234, stratum 1, offset 0.002036, delay 0.15575
> 13 Oct 16:13:39 ntpdate[1526]: adjust time server 192.36.143.234 offset
> 0.002036 sec
>
> FT at vash:~$ /usr/sbin/traceroute6 2001:0440:1880:1000::0020
> traceroute to 2001:0440:1880:1000::0020 (2001:440:1880:1000::20) from
> 2001:470:1f00:ffff::649, 30 hops max, 16 byte packets
> 1 tommydool.tunnel.tserv1.fmt.ipv6.he.net (2001:470:1f00:ffff::648)
> 67.52 ms 70.567 ms 68.182 ms
> 2 2001:470:1fff:2::26 (2001:470:1fff:2::26) 67.607 ms 68.592 ms
> 144.479 ms 145.113 ms
> 4 sl-s1v6-nyc-t-1000.sprintv6.net (2001:440:1239:1001::2) 150.654 ms
> 147.692 ms 151.378 ms
> 5 sl-bb1v6-sto-t-102.sprintv6.net (2001:440:1239:100d::2) 244.013 ms
> 9 2001:440:1880:1000::20 (2001:440:1880:1000::20) 246.908 ms 249.03
> ms 247.193 ms
macosx tiger no likey the ntpdate v6 :( but:
~> traceroute6 2001:0440:1880:1000::0020
traceroute6 to 2001:0440:1880:1000::0020 (2001:440:1880:1000::20) from
2001:408:1009:2:203:93ff:feec:f318, 30 hops max, 12 byte packets
1 350.0-0fastethernet.rtr.ops-netman.net 2.551 ms 1.894 ms 23.325 ms
2 2001.gr-0-1-0.hr6.tco4.alter.net 26.575 ms 55.095 ms *
3 2001:408:11::8 98.683 ms 95.157 ms 98.663 ms
4 sl-bb1v6-bru.sprintlink.net 174.97 ms 172.633 ms 172.264 ms
5 sl-bb1v6-sto-t-100.sprintv6.net 207.452 ms 205.804 ms 211.638 ms
6 2001:7f8:d:fb::34 213.451 ms 226.246 ms 225.651 ms
7 2001:440:1880:1::2 209.371 ms 225.198 ms 225.462 ms
8 2001:440:1880:1::12 218.561 ms 227.934 ms 226.571 ms
9 2001:440:1880:1000::20 207.678 ms 206.464 ms 207.334 ms
(debian sarge seems to like ntpdate v6 though :) bug open to apple)
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