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Re: [PATCH] hashed device lookup (Does NOT meet Linus' sumission policy!

To: Chris Wedgwood <cw@xxxxxxxx>
Subject: Re: [PATCH] hashed device lookup (Does NOT meet Linus' sumission policy!)
From: David Ford <david@xxxxxxxxx>
Date: Sun, 7 Jan 2001 04:19:59 -0800 (PST)
Cc: Ben Greear <greearb@xxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, "netdev@xxxxxxxxxxx" <netdev@xxxxxxxxxxx>
In-reply-to: <20010108011308.A2575@xxxxxxxxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
On Mon, 8 Jan 2001, Chris Wedgwood wrote:
> Bind knows about multiple virtual interfaces; but we can also have
> multiple addresses on a single interface and have no virtual
> interfaces at all.
> 
> I doubt bind knows about this nor handles it.
> 
> <pause>
> 
> OK, I'm a liar -- bind does handle this. Cool.
> 
> Jan  8 01:09:12 tapu named[599]: listening on [127.0.0.1].53 (lo)
> Jan  8 01:09:12 tapu named[599]: listening on [10.0.0.1].53 (lo)
> Jan  8 01:09:12 tapu named[599]: listening on [x.x.x.x].53 (x0)
> Jan  8 01:09:12 tapu named[599]: Forwarding source address is [0.0.0.0].1032
> 
> This is good news, because it means there is a precedent for multiple
> addresses on a single interface so we can kill the <ifname>:<n>
> syntax in favor of the above which is cleaner of more accurately
> represents what is happening.

I've been using the new form for a long long time now and I assure you, BIND
hasn't had any problems with it for a long long time. :)

BIND as most all programs, should not care what the interface is or how it
is laid out.  It binds to an address and port and shouldn't care otherwise.

Would I really put you in a quandry if I told you I had multiple different
media interfaces all with the same IP and BIND happily answered on all of
them? ;)

-d


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