From owner-freebsd-hackers  Fri Oct 22  3: 8:43 1999
Delivered-To: freebsd-hackers@freebsd.org
Received: from citadel.cequrux.com (citadel.cdsec.com [192.96.22.18])
	by hub.freebsd.org (Postfix) with ESMTP id AD02214F56
	for <hackers@FreeBSD.ORG>; Fri, 22 Oct 1999 03:08:33 -0700 (PDT)
	(envelope-from gram@cequrux.com)
Received: (from nobody@localhost)
	by citadel.cequrux.com (8.9.3/8.9.3) id MAA07218;
	Fri, 22 Oct 1999 12:06:23 +0200 (SAST)
Received: by citadel.cequrux.com via recvmail id 7215; Fri Oct 22 12:05:53 1999
From: Graham Wheeler <gram@cequrux.com>
To: Ruslan Ermilov <ru@ucb.crimea.ua>,
	Graham Wheeler <gram@cequrux.com>
Subject: Re: aliasing a point-to-point interface
Date: Fri, 22 Oct 1999 11:53:48 +0200
X-Mailer: KMail [version 1.0.28]
Content-Type: text/plain
Cc: hackers@FreeBSD.ORG
References: <99102118512208.17915@cequrux.com> <9910220959290C.17915@cequrux.com> <19991022111925.B69348@cequrux.com>
In-Reply-To: <19991022111925.B69348@cequrux.com>
MIME-Version: 1.0
Message-Id: <9910221201410E.17915@cequrux.com>
Content-Transfer-Encoding: 8bit
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG


> The above commands do not rely on the host's forwarding capabilities.
> The first `route' command will remove the weird `X.X.X.X via X.X.X.X' entry.
> The second `route' command will install the route allowing you to communicate
> with X.X.X.X from this host itself.  Look:
> 
> : relay# ifconfig sl9 inet 1.1.1.1 1.1.1.1 alias
> : relay# netstat -rn | grep ^1.1.1.1
> : 1.1.1.1            1.1.1.1            UH          0        0      sl9
> : relay# ping 1.1.1.1
> : PING 1.1.1.1 (1.1.1.1): 56 data bytes
> : ^C
> : --- 1.1.1.1 ping statistics ---
> : 2 packets transmitted, 0 packets received, 100% packet loss
> : relay# route delete -host 1.1.1.1
> : delete host 1.1.1.1
> : relay# route add -host 1.1.1.1 127.1
> : add host 1.1.1.1: gateway 127.1
> : relay# netstat -rn | grep ^1.1.1.1
> : 1.1.1.1            127.0.0.1          UGHS        0        0      lo0
> : relay# ping 1.1.1.1
> : PING 1.1.1.1 (1.1.1.1): 56 data bytes
> : 64 bytes from 1.1.1.1: icmp_seq=0 ttl=255 time=0.108 ms
> : 64 bytes from 1.1.1.1: icmp_seq=1 ttl=255 time=0.170 ms
> : 64 bytes from 1.1.1.1: icmp_seq=2 ttl=255 time=0.208 ms
> : ^C
> : --- 1.1.1.1 ping statistics ---
> : 3 packets transmitted, 3 packets received, 0% packet loss
> : round-trip min/avg/max/stddev = 0.108/0.162/0.208/0.041 ms

I still get no echo replies after doing this.

My sequence:

ifconfig ar0 inet <myaddr> <remaddr> up
ifconfig ar0 inet <myalias> <myalias> alias
route delete -host <myalias>
route add -host <myalias> 127.1
ping <myalias>

--
Dr Graham Wheeler                        E-mail: gram@cequrux.com
Cequrux Technologies                     Phone:  +27(21)423-6065/6/7
Firewalls/Virtual Private Networks       Fax:    +27(21)24-3656
Data/Network Security Specialists        WWW:    http://www.cequrux.com/


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message