From owner-freebsd-net  Thu Jun  6  6:56:47 2002
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Date: Thu, 06 Jun 2002 15:56:10 +0200
From: Marko Zec <zec@tel.fer.hr>
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Cc: freebsd-net@freebsd.org
Subject: Re: Patch for review: source VIPA
References: <20020606135202.M27399-100000@shadowhand.OTEL.net>
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Iasen Kostov wrote:

> > Here is an configuration example:
> >
> > vmbsd# routed
> > vmbsd# ifconfig
> > lnc0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >         inet 192.168.201.143 netmask 0xffffff00 broadcast
> > 192.168.201.255
> >         ether 00:50:56:ac:c9:7a
> > lnc1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> >         inet 192.168.202.143 netmask 0xffffff00 broadcast
> > 192.168.202.255
> >         ether 00:50:56:ac:c9:8c
> > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
> >         inet 127.0.0.1 netmask 0xff000000
> > vipa0: flags=61<UP,SMART,RUNNING> mtu 1500
> >         inet 192.168.1.1 netmask 0xffffffff
> > vmbsd# sysctl net.inet.ip.sourcevipa
> > net.inet.ip.sourcevipa: none
> > vmbsd# sysctl net.inet.ip.sourcevipa=192.168.1.1
> > net.inet.ip.sourcevipa: none -> 192.168.1.1
> > vmbsd#
> > vmbsd# telnet 192.168.201.10
> > [cut]
> > %who am i
> > marko            ttyp2   Jun  5 01:37   (192.168.1.1)
> >
> > Have fun!
> >
>
>   What will happen if I try arpresolve on 192.168.1.1 when I'm in
> 192.168.1.0/24 net ?

Nothing - 192.168.1.1 (VIPA) internal interface is _virtual_, so it
won't ARP. You need to route it.

Marko


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