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Re: send-to-self (was Re: routing bug report for 2.4)

To: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Subject: Re: send-to-self (was Re: routing bug report for 2.4)
From: Julian Anastasov <ja@xxxxxx>
Date: Mon, 30 Jun 2003 13:43:33 +0300 (EEST)
Cc: netdev@xxxxxxxxxxx
In-reply-to: <3EFFEDD7.5020205@xxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
        Hello,

On Mon, 30 Jun 2003, Ben Greear wrote:

> > I'm avoiding the arp_filter changes. The setup uses
> > asymmetric routing so better use arp_filter=0 or other
>
> arp_filter=1, right?

        Right, my mistake, the routing is symmetric, arp_filter=1
is even recommended. Only rp_filter=1 can not be used as ARP
filter but you can use rp_filter=1 for IP filtering.

> I want to avoid strange(r) routing configurations, as I'm already
> using lots of routing tricks, and don't want to confuse matters
> more.  I also turn on arp filtering to ensure the arps go out the
> right interface currently.

        Right, you need just to bind to src IP (may be you can
avoid even that if you replace the prefsrc in your local routes).

> You should be able to easily test most of the changes your code
> if you have a machine with two ethernet interfaces and a loopback
> cable...

        That is the problem, no 2.4 host with 2 NICs. Not soon.

Regards

--
Julian Anastasov <ja@xxxxxx>


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