Re: HEADSUP: arp-v2 has been committed

From: Vladimir Grebenschikov <vova_at_fbsd.ru>
Date: Fri, 19 Dec 2008 20:04:27 +0300
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 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. 

-- 
Vladimir B. Grebenschikov
vova_at_fbsd.ru
Received on Fri Dec 19 2008 - 16:04:32 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:39 UTC