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To: 'Jakob Hirsch' <jh,AT,plonk,DOT,de>, cipe-l,AT,inka,DOT,de
Subject: RE: Road warrior configuration with proxy arp -- almost there, but not quite!
From: David Brodbeck <DavidB,AT,mail,DOT,interclean,DOT,com>
Date: Wed, 16 Jul 2003 16:26:13 -0400

That's not quite right, but in trying it I figured out the problem.

route add -net cipcb0

was correct, *except* that because the cIPe host is also on that network, it
screwed up the routing for cIPe's UDP packets!  If I also add this route:

route add -host ppp0

everything seems to work.

Thanks for pointing me in the right direction!  It seems obvious now, but I
was having a hard time wrapping my head around how the routing works in this

> -----Original Message-----
> From: Jakob Hirsch [mailto:jh,AT,plonk,DOT,de

> David Brodbeck wrote:
> > However, when I try to access hosts on the LAN from the laptop, the
> > packets get routed through the Internet instead of the cIPe tunnel.
> > If I try to manually add a route ("route add -net
> > cipcb0") nothing works until I delete it again.
> You have to set up a host route for the peer end of the 
> tunnel on the mobile
> machine:
> route add -host ppp0
> I think you get an "loop" error message in the syslog if you 
> don't (BTDT).
> Is it necessary for proxy arp to set up the mobile's tunnel 
> ip as an alias
> on the other host? I don't know, so I ask...
> bye, J

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