[afripv6-discuss] Internet broken - v6 :-(
John Hay
jhay at meraka.org.za
Sat Sep 8 09:12:34 SAST 2007
Hi Frank,
On Sat, Sep 08, 2007 at 08:59:34AM +0300, Frank Habicht wrote:
> Hello all,
>
> my internet is broken. (maybe few days now) and below are the reasons i
> send this to the v6 list.
> i wanted to get to the website of isc from my workstation and failed.
>
> gentooserver ~ # tcptraceroute -n www.isc.org
> Selected device eth0, address 192.168.2.12, port 43422 for outgoing packets
> Tracing the path to www.isc.org (204.152.184.88) on TCP port 80 (http),
> 30 hops max
> 1 192.168.2.252 0.492 ms 0.209 ms 0.170 ms
> <snip - boring>
> 25 204.152.184.88 [open] 750.167 ms 807.353 ms 750.327 ms
> gentooserver ~ # traceroute6 www.isc.org
> traceroute to www.isc.org (2001:4f8:0:2::d) from
> 2002:c1dc:3a1b:1:20a:e6ff:fef0:a2b3, 30 hops max, 16 byte packets
> 1 2002:c1dc:3a1b:1:219:6ff:fe22:ed48
> (2002:c1dc:3a1b:1:219:6ff:fe22:ed48) 0.809 ms 0.712 ms 0.572 ms
> 2 2002:c058:6301:: (2002:c058:6301::) 608.218 ms * 603.301 ms
> 3 ssc-stk-px.occaid.net (2001:4830:d0::2) 584.238 ms * 653.467 ms
> 4 2002:c058:6301:: (2002:c058:6301::) 554.441 ms 595.575 ms 588.404 ms
> 5 ssc-stk-px.occaid.net (2001:4830:d0::2) 596.315 ms 576.923 ms
> 587.58 ms
> 6 2002:c058:6301:: (2002:c058:6301::) 556.329 ms 615.539 ms *
> 7 ssc-stk-px.occaid.net (2001:4830:d0::2) 574.396 ms 823.758 ms
> 615.745 ms
>
> gentooserver ~ # whois 2001:4830:d0::2
> TowardEX Technologies International, Inc. TWDX-NET6BLK-ARIN-1
> (NET6-2001-4830-1)
>
> 2001:4830:0000:0000:0000:0000:0000:0000 -
> 2001:4830:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
> OCCAID TWDX6-2001-4830-D0-1 (NET6-2001-4830-D0-1)
>
> 2001:4830:00D0:0000:0000:0000:0000:0000 -
> 2001:4830:00D0:FFFF:FFFF:FFFF:FFFF:FFFF
>
> # ARIN WHOIS database, last updated 2007-09-07 19:10
> # Enter ? for additional hints on searching ARIN's WHOIS database.
> gentooserver ~ # traceroute 192.88.99.1
> traceroute to 192.88.99.1 (192.88.99.1), 30 hops max, 38 byte packets
> 1 192.168.2.252 (192.168.2.252) 0.499 ms 0.365 ms 0.314 ms
> 2 router (192.168.2.253) 1.080 ms 1.047 ms 0.936 ms
> 3 193.219.197.69 (193.219.197.69) 72.968 ms 79.700 ms 70.562 ms
> 4 no-nit-tn-3.taide.net (193.219.192.13) 550.054 ms 583.660 ms
> 545.919 ms
> 5 no-nit-tn-2.taide.net (193.219.193.132) 559.562 ms 587.836 ms
> 577.374 ms
> 6 194.19.88.125 (194.19.88.125) 591.001 ms 584.428 ms 575.375 ms
> 7 195.204.25.30 (195.204.25.30) 609.538 ms 774.305 ms 650.732 ms
> 8 * * *
> 9 * * *
> 10 * * *
> 11 * * *
> 12 * * *
> 13 * * *
> 14 * * *
> 15 * *
> gentooserver ~ # dig -x 195.204.25.30
>
> ; <<>> DiG 9.4.1-P1 <<>> -x 195.204.25.30
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27238
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;30.25.204.195.in-addr.arpa. IN PTR
>
> ;; AUTHORITY SECTION:
> 25.204.195.in-addr.arpa. 10674 IN SOA auth1.ns.enitel.net.
> registry.enitel.net. 2006092502 14400 3600 1209600 776
>
> ;; Query time: 2 msec
> ;; SERVER: 192.168.2.5#53(192.168.2.5)
> ;; WHEN: Sat Sep 8 08:41:39 2007
> ;; MSG SIZE rcvd: 108
>
> gentooserver ~ # # nobody will guess content of http://www.enitel.net/
>
>
> some weeks ago the trace to the anycasted 6to4 relay went (after norway)
> across the atlantic.
> Now no longer. Good.
> If only it worked...
>
> I think in the "traceroute6" you'll see the routing loop.
>
> the whois (of the 'real' v6 IP) includes "OCCAID" in the result.
> that rang a bell somewhere (dunno where).
> http://www.occaid.net/ gives me.... same, nothing, likely v6
>
> So my colleagues IPv4 workstation shows the same site.
> And there's a news about ...."OCCAID and Consulintel"......
> and Frank thinks of Jordi.....
>
> HELP!!!!!
>
> need more info than above ?
>
> Guessing: a routing loop on v6 side behind a 6to4 relay (used from
> TAIDE.NET - Norway)
I don't have an answer to your problem. From here I can do the traceroute
to www.isc.org and it also go through occaid. So either they fixed it or
only parts of their network is confused:
zibbi:~ > traceroute6 www.isc.org
traceroute6 to www.isc.org (2001:4f8:0:2::d) from 2001:4200:7000:1:206:5bff:fe55:cb09, 64 hops max, 12 byte packets
1 builder 0.543 ms 0.614 ms 0.450 ms
2 tnet-gif10-csir.v6.uni.net.za 25.829 ms 25.126 ms 29.262 ms
3 bbr01-tu15.lndn01.occaid.net 176.857 ms 173.941 ms 174.280 ms
4 bbr01-p1-0.nwrk01.occaid.net 244.746 ms 245.018 ms 244.287 ms
5 bbr01-g1-0.asbn01.occaid.net 253.375 ms 250.160 ms 250.858 ms
6 bbr01-g1-0.atln01.occaid.net 263.866 ms 264.144 ms 264.117 ms
7 bbr01-p1-0.dlls01.occaid.net 293.761 ms 294.680 ms 298.632 ms
8 dcr01-p1-5.lsan01.occaid.net 318.246 ms 318.468 ms 318.490 ms
9 bbr01-g0-2.irvn01.occaid.net 318.145 ms 317.984 ms 318.004 ms
10 dcr01-p1-0.snjs02.occaid.net 328.116 ms 328.420 ms 328.242 ms
11 bbr01-f1-3.snfc02.occaid.net 332.369 ms 334.410 ms 332.659 ms
12 sf-guest.r2.sfo2.isc.org 335.224 ms 335.932 ms 345.842 ms
13 r2.r3.sfo2.isc.org 334.513 ms 337.242 ms 336.616 ms
14 r3-sfo2.r8.pao1.isc.org 367.950 ms 335.989 ms 337.661 ms
15 www.isc.org 338.198 ms 334.085 ms 337.254 ms
zibbi:~ >
John
--
John Hay -- John.Hay at meraka.csir.co.za / jhay at FreeBSD.org
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