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Date: Tue, 16 Aug 2005 14:50:23 GMT
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To: freebsd-bugs@FreeBSD.org
From: Gleb Smirnoff <glebius@FreeBSD.org>
Cc: 
Subject: Re: kern/75634: The proxy arp wrong functionality
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The following reply was made to PR kern/75634; it has been noted by GNATS.

From: Gleb Smirnoff <glebius@FreeBSD.org>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: kern/75634: The proxy arp wrong functionality
Date: Tue, 16 Aug 2005 18:42:22 +0400

  Adding to Audit-Trail:
 
 ----- Forwarded message from Haidukov Alexander <ahaidukov@croc.ru> -----
 
  Excuse for bad English. 
  In shortly:
 
  I have em0 and em1 interfases on my router. 
  em0: xxx.xxx.xxx.2 (The real IP from xxx.xxx.xxx.0/28 IP range)  
  em1: 192.168.0.1 (192.168.0.0/24 my internal net IP range) 
 
 
 Internet<---->[em0<---->em1]<---->[Windows]
                          Router
 
 1. On external interface of my router, i setup "proxy arp" use the
 following commands:
 
  #arp -s xxx.xxx.xxx.3 AAA.AAA.AAA.AAA pub
 
 Where AAA.AAA.AAA.AAA is MAC on external interface of my router.
 
 2. On internal host with run Windows 2000 AS (192.168.0.2) I add the
 additional IP (xxx.xxx.xxx.3) from my real IP range.
  
 In this case, windows host show the error message (like it):
 
 Address conflict. Host with MAC AAA.AAA.AAA.AAA have a my IP. The local
 interface will be disabled.
 
 If I try setup real IP to Windows machine first, and "proxy arp" to my
 router second all work properly.
  
 ----- End forwarded message -----
 
 -- 
 Totus tuus, Glebius.
 GLEBIUS-RIPN GLEB-RIPE