If the packets ever reach the host, it's not a routing loop.
How do you know the second host is actually on the same network? You can't
be sure of that unless you know their netmask legnth.
On Mon, 24 Apr 2000, Sami Honkonen wrote:
> The delay to my remote host zort.org (194.29.194.4) is huge, so I tried
> tracerouting:
>
> ---
>
> traceroute to 194.29.194.4 (194.29.194.4), 30 hops max, 38 byte packets
> 1 c1s15.saunalahti.net (195.197.52.215) 144.165 ms 149.706 ms
> 149.760 ms
> 2 c1r5i.saunalahti.net (195.197.52.129) 149.880 ms 129.818 ms
> 119.897 ms
> 3 195.197.213.170 (195.197.213.170) 169.872 ms 177.501 ms 152.214
> ms
> 4 * * *
> 5 * * *
> 6 * * *
> 7 * * *
> 8 * * *
> 9 * * *
> 10 * 195.197.213.170 (195.197.213.170) 1420.498 ms !H *
> 11 * * *
> 12 * * *
> 13 * * *
> 14 * * *
> 15 * 195.197.213.170 (195.197.213.170) 680.491 ms !H *
> 16 * * *
> 17 * * *
> 18 * * *
> 19 * * *
> 20 * * *
> 21 * * *
> 22 * * *
> 23 * * *
> 24 * * *
> 25 * * *
> 26 * * *
> 27 * * 195.197.213.170 (195.197.213.170) 1639.996 ms !H
> 28 * 195.197.213.170 (195.197.213.170) 1450.038 ms !H *
> 29 195.197.213.170 (195.197.213.170) 810.602 ms !H * *
> 30 * * *
>
> ----
>
> Looks like a routing loop, right?
>
> Well, I tracerouted to a computer in the same IP block and behind the
> exact same routers.
>
> ----
>
> traceroute to 194.29.194.2 (194.29.194.2), 30 hops max, 38 byte packets
> 1 c1s15.saunalahti.net (195.197.52.215) 133.851 ms 139.729 ms
> 139.785 ms
> 2 c1r5i.saunalahti.net (195.197.52.129) 119.817 ms 119.828 ms
> 120.299 ms
> 3 195.197.213.170 (195.197.213.170) 139.476 ms 159.751 ms 149.551
> ms
> 4 kuvakomppania.fi (194.29.194.2) 140.850 ms 136.571 ms 199.467 ms
>
> ----
>
> So, that seems to prove it can't be a routing loop, right?
>
> Well, what is wrong with my remote host's configuration, that I can't
> see. It worked fine before my ISP changed their IP block.
>
> Anyone have any ideas? This is pretty urgent.
>
> --
> Yours truly,
> Sami Honkonen, impale,
> System Administrator of zort.org
> [EMAIL PROTECTED] / http://impale.zort.org
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