[ipv6-wg] V6 connectivity

On Fri, 9 Jun 2006, Max Tulyev wrote:

> Hi!
>
> I see v6 connectivity is much worse than v4:
>
> traceroute to kite-www.ripe.net (2001:610:240:0:a843::8) from 
> 2a01:d8:0:99:211:11ff:fe1f:bfc9, 30 hops max, 16 byte packets
> 1  2a01:d8:0:99::1 (2a01:d8:0:99::1)  0.782 ms  0.719 ms  2.227 ms
> 2  2a01:d8:0:1::1 (2a01:d8:0:1::1)  40.904 ms  2.346 ms  2.754 ms
> 3  2001:b08:0:2::1 (2001:b08:0:2::1)  35.849 ms  7.533 ms  2.576 ms
> 4  2001:b08:b08:3::2 (2001:b08:b08:3::2)  35.205 ms  25.399 ms  25.649 ms
> 5  se-kth.nordu.net (2001:948:0:f02c::1)  29.649 ms  25.579 ms  25.545 ms
> 6  se-ov.nordu.net (2001:948:0:f027::2)  33.705 ms  25.539 ms  25.927 ms
> 7  dk-gw2.nordu.net (2001:948:0:f03f::2)  39.785 ms  33.901 ms  33.688 ms
> 8  * * *
> 9  * * *
> 10  * * *
> 11  * * *
> 12  nikipv6.ripe.net (2001:7f8:1::a500:3333:1)  214.93 ms  226.989 ms 215.676 
> ms
> 13  kite-www.ripe.net (2001:610:240:0:a843::8)  214.484 ms  215.588 ms 
> 221.891 ms
>
> 1:  greentheatre (195.209.50.18)                           0.273ms pmtu 1500
> 1:  gw.gpt.ru (195.209.50.1)                               1.366ms
> 2:  LEO-MG-2.Garnet.ru (195.209.63.20)                    57.568ms
> 3:  d2-msk-m9-ge0-0-0-v102.ruscomnet.ru (80.249.128.117) asymm  4 3.034ms
> 4:  c1-msk-m9-ge0-1-0.ruscomnet.ru (80.249.132.9)        asymm  5 4.265ms
> 5:  d1-fft-as0.ruscomnet.ru (80.249.132.26)              asymm  6 51.486ms
> 6:  gigabitethernet3-0.104.gw9.fft4.de.ALTER.NET (139.4.144.5)  51.952ms
> 7:  so-7-1-0.XR1.FFT4.ALTER.NET (149.227.48.25)          asymm  8 52.247ms
> 8:  so-0-1-0.TR2.FFT1.ALTER.NET (146.188.8.138)          asymm  9 52.400ms
> 9:  so-5-1-0.TR2.AMS2.ALTER.NET (146.188.2.169)          asymm 10 58.617ms
> 10:  POS2-0.BR1.AMS3.ALTER.NET (146.188.3.218)             58.315ms
> 11:  Amsterdam1.ripe.net (195.69.144.68)                   53.182ms
> 12:  kite.ripe.net (193.0.0.214)                          asymm 11 53.245ms 
> reached
>     Resume: pmtu 1500 hops 12 back 11
>
> And some parts of v6 Internet is completly unreachable. Is it my bug or real 
> situation?
>

According to your test, and my quick test, it seems to me that there is 
some IPv6 connectivity problem inside Surfnet.

Regards,

Janos Mohacsi
Network Engineer, Research Associate, Head of Network Planning
NIIF/HUNGARNET, HUNGARY
Key 00F9AF98: 8645 1312 D249 471B DBAE  21A2 9F52 0D1F 00F9 AF98

> -- 
> WBR,
> Max Tulyev (MT6561-RIPE, 2:463/253 at FIDO)
> "Garant-Park-Telecom", +7 095 783-3-783
>
>