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Re: Change proxy_arp to respond only for valid neighbours

To: "David S. Miller" <davem@xxxxxxxxxx>
Subject: Re: Change proxy_arp to respond only for valid neighbours
From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Date: Mon, 09 Feb 2004 13:39:51 -0800
Cc: Julian Anastasov <ja@xxxxxx>, netdev@xxxxxxxxxxx, kuznet@xxxxxxxxxxxxx
In-reply-to: <20040209121926.6f016ebf.davem@xxxxxxxxxx>
Organization: Candela Technologies
References: <Pine.LNX.4.58.0402082234110.6268@xxxxxxxxxxxx> <20040209121926.6f016ebf.davem@xxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
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David S. Miller wrote:
On Sun, 8 Feb 2004 22:44:05 +0200 (EET)
Julian Anastasov <ja@xxxxxx> wrote:


- the 'skb->pkt_type == PACKET_HOST' check has no semantic anymore,
the requestor should have same information no matter the packet
type. In all cases we add response delay for all requests, broadcast
or unicast, to help other authoritative hosts to reply before us.


Do we really want to reply to all the garbage tcpdump causes us
to capture?

That is what the pkt_type is dealing with.  If we're in promiscuous
mode, we'll hear ARP requests meant not for any of our devices, we
should not proxy for them right?

Arp requests are always broadcasts, so promisc changes nothing,
right?


--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com


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