Date: Thu, 8 May 1997 09:16:55 +1000 (EST) From: Darren Reed <avalon@coombs.anu.edu.au> To: dkite@icomnet.com (Doug Kite) Cc: hackers@freebsd.org Subject: Re: nat and arp Message-ID: <199705072318.QAA24246@hub.freebsd.org> In-Reply-To: <3370ED28.4D66@icomnet.com> from "Doug Kite" at May 7, 97 04:59:20 pm
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In some mail from Doug Kite, sie said: > > Do I have to manually set up proxy arp entries on the external interface > in order for nat to work? > > Here is the rule: > map ep0 192.168.5.11/32 -> 192.168.2.159/32 > > When I try to ping from the "internal" host (5.11), tcpdump on ep0 shows > the echo request going out, then the arp request from the "external" > host (2.2). But, of course, nothing answers, so no reply is issued. Yes, you do. Of course, I'd suggest that this is a bug: it should cache the ethernet address it received the packet from as belonging to the IP# (if that IP# isn't already in the arp cache). Or is there a reason that this isn't done ? Darren
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