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From: brian@shift.utell.net (Brian Somers)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Packet Forwarding using a gateway
Date: 4 Jun 1997 09:23:17 GMT
Organization: Awfulhak Ltd.
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Message-ID: <5n3c65$dpq@ui-gate.utell.co.uk>
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<3394DCEA.2DE6@itech-inc.com>
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In article <3394DCEA.2DE6@itech-inc.com>,
jim <jiml@itech-inc.com> writes:
> I am trying to use a multihomed 2.2.1R to act as a gateway between two
> networks. I have a router to the internet on one side attached to ed0
> and another small network on the opposite side attached to ed1. I can
> ping either side when logged into the gateway machine, but cannot get
> the machine to forward packets between the interfaces (i.e. can't reach
> the inside network from the outside or the outside from the inside
> network).
>
> ed1 is setup as ifconfig ed1 xxx.xxx.xxx.80 -netmask 255.255.255.224
> ed0 is setup as ifconfig ed0 xxx.xxx.xxx.81 -netmask 255.255.255.224
If your xxx.xxx.xxx's are the same in both cases, your gateway will
have no reason to forward packets. You must have two non-conflicting
networks, one on each interface.
[.....]
> Jim
--
Brian <brian@awfulhak.org> <brian@freebsd.org>
<http://www.awfulhak.org>
Don't _EVER_ lose your sense of humour !