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From: Mick <michaelkintzios@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] [OT] Routing Problems
Date: Sat, 18 Oct 2014 09:06:11 +0100
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References: <5441E251.1090204@alectenharmsel.com>
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On Saturday 18 Oct 2014 04:45:21 Alec Ten Harmsel wrote:
> Hey guys,
>=20
> This is not Gentoo-specific, but one of my roommates just replaced our
> router with a DD-WRT routers. For the most part, everything is great and
> I love it. There's one problem, that may or may not be cause by said new
> router. Between my desktop and my server, I can not ping/SSH/whatever.
> The ARP request never gets resolved. Every other connection between any
> other pair of machines works, just not desktop to server and vice versa.
>=20
> The only stuff I could find on Google (which is mainly a front for
> searching stackoverflow) is that it's a MAC collision (it's not) or that
> it's a hardware problem (which I guess it may be, although I've tried
> numerous permutations).
>=20
> If anyone has any insight, I would appreciate it. I've been banging my
> head against this for nearly one week now.

Can you give some additional information on the network topology?

Are we talking about LAN/WAN?  Same subnet?  VLAN?  DMZ?

Any firewall rules or special routing/bridging/etc.?

What do the router logs say?

Have you captured any packets on both ends and in between?

=2D-=20
Regards,
Mick

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