HEADSUP: arp-v2 has been committed

Li, Qing qing.li at bluecoat.com
Fri Dec 19 09:35:37 PST 2008

I checked in a fix earlier this morning, sync-up and give it a try.

-- Qing

Revision 1.188: download - view: text, markup, annotated - select for diffs
Fri Dec 19 11:07:34 2008 UTC (6 hours, 26 minutes ago) by qingli
Branches: MAIN
CVS tags: HEAD
Diff to: previous 1.187: preferred, colored
Changes since revision 1.187: +52 -57 lines

SVN rev 186317 on 2008-12-19 11:07:34Z by qingli

The proxy-arp code was broken and responds to ARP
requests for addresses that are not proxied locally.

-----Original Message-----
From: owner-freebsd-current at freebsd.org on behalf of Vladimir Grebenschikov
Sent: Fri 12/19/2008 9:04 AM
To: Qing Li
Cc: freebsd-net at freebsd.org; freebsd-current at freebsd.org
Subject: Re: HEADSUP: arp-v2 has been committed
On Mon, 2008-12-15 at 15:42 +0200, Giorgos Keramidas wrote:
> On Mon, 15 Dec 2008 06:34:13 GMT, Qing Li <qingli at freebsd.org> wrote:
> > Hi All,
> >
> > The arp-v2 changes have been committed into HEAD.
> > Please report problems to me and Kip Macy.

Nice, my host sends arp-reply about other hosts

my host has MAC address 00:19:7d:8c:0b:44:

19:59:39.409151 00:13:e8:d5:0f:63 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: arp who-has tell
>> it got broadcast arp request from some host

19:59:39.409163 00:19:7d:8c:0b:44 > 00:13:e8:d5:0f:63, ethertype ARP (0x0806), length 42: arp reply is-at 00:13:e8:d5:0f:63
>> it replies - IP you seeking for is on your MAC address

some OS do put entries based on such bogus arp reply on their arp tables

Looks as serious problem of ARP stack. 

Vladimir B. Grebenschikov
vova at fbsd.ru
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