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Date:      Fri, 19 Dec 2008 09:33:53 -0800
From:      "Li, Qing" <qing.li@bluecoat.com>
To:        "Vladimir Grebenschikov" <vova@fbsd.ru>, "Qing Li" <qingli@freebsd.org>
Cc:        freebsd-net@freebsd.org, freebsd-current@freebsd.org
Subject:   RE: HEADSUP: arp-v2 has been committed
Message-ID:  <B583FBF374231F4A89607B4D08578A431442E2@bcs-mail03.internal.cacheflow.com>
References:  <200812150634.mBF6YDVC060565@freefall.freebsd.org><873agpk11i.fsf@kobe.laptop> <1229706267.85909.6.camel@localhost>

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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@freebsd.org on behalf of Vladimir =
Grebenschikov
Sent: Fri 12/19/2008 9:04 AM
To: Qing Li
Cc: freebsd-net@freebsd.org; freebsd-current@freebsd.org
Subject: Re: HEADSUP: arp-v2 has been committed
=20
On Mon, 2008-12-15 at 15:42 +0200, Giorgos Keramidas wrote:
> On Mon, 15 Dec 2008 06:34:13 GMT, Qing Li <qingli@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 10.24.11.35 tell 10.24.11.42
>> 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 10.24.11.35 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.=20

--=20
Vladimir B. Grebenschikov
vova@fbsd.ru
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