kern/75634: The proxy arp wrong functionality

Gleb Smirnoff glebius at
Tue Aug 16 14:50:23 GMT 2005

The following reply was made to PR kern/75634; it has been noted by GNATS.

From: Gleb Smirnoff <glebius at>
To: freebsd-gnats-submit at
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 at> -----
  Excuse for bad English. 
  In shortly:
  I have em0 and em1 interfases on my router. 
  em0: (The real IP from IP range)  
  em1: ( my internal net IP range) 
 1. On external interface of my router, i setup "proxy arp" use the
 following commands:
  #arp -s 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 ( I add the
 additional IP ( 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.

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