>FreeBSD 4.0-20000522-STABLE
>
>6to4 tunnelling via the stf interface:
>
> stf0: flags=8041<UP,RUNNING,MULTICAST> mtu 1280
> inet6 fe80::2c0:95ff:fef0:3e20%stf0 prefixlen 64 scopeid 0xb
> inet6 2002:180c:a043::1 prefixlen 16
>
>Outgoing packets travel by default via Freenet6, with the gif interface
>using the same address as the stf interface:
>
> gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
> inet6 fe80:7::2c0:95ff:fef0:3e20 prefixlen 64
> inet6 2002:180c:a043::1 --> 3ffe:b00:c18:1fff::3ac prefixlen 127
> physical address inet 24.12.160.67 --> 206.123.31.102
(snip)
>But pinging www.kame.net does not work:
>
> PING6(56=40+8+8 bytes) 2002:180c:a043::1 -->
>3ffe:501:4819:2000:5054:ff:fedc:50d2
> [yawn...]
>
>The traceroute to www.kame.net might be more informative:
> traceroute to kame212.kame.net (3ffe:501:4819:2000:5054:ff:fedc:50d2), 30 hops
>max, 12 byte packets
> 1 3ffe:b00:c18:1fff::3ac 399.275 ms 360.014 ms
> 2 3ffe:b00:c18:1:290:27ff:fe17:fc0f 365.612 ms 365.586 ms
> 3 3ffe:b00:c18::13 410.858 ms 437.977 ms
> 4 3ffe:1810:0:ffff::14 433.558 ms 469.157 ms
> 5 3ffe:1810:ffff::13 449.495 ms 446.731 ms
> 6 3ffe:1800:0:3:290:27ff:fe14:cd9c 464.434 ms 417.067 ms
> 7 3ffe:1801:ffff::2 473.318 ms 433.492 ms
> 8 * *
> 9 * *
> 10 * *
> 11 * *
> 12 * *
> 13 * *
this can be Japan domestic routing issue, or issue in your
configuration. first of all, let me check about your environment:
- you should have an IPv6 address assigned from freenet6. since you
are transmitting from freenet6, you need to use source address
from freenet6. however, you do not assign one on gif0. this seems
to be configuration mistake.
> gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
> inet6 fe80:7::2c0:95ff:fef0:3e20 prefixlen 64
> inet6 2002:180c:a043::1 --> 3ffe:b00:c18:1fff::3ac prefixlen 127
> physical address inet 24.12.160.67 --> 206.123.31.102
- next. if you use 6to4 address and you are hooked to native IPv6
cloud, you need to announce 2002::/16 to the native IPv6 cloud
and you need to become a public relay for everybody (see 6to4
specification). you fall into this category (since you
are connected to freenet6 too). do you advertise 2002::/16
to the backbone?
itojun
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