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Date:      Sat, 10 Nov 2001 18:37:22 -0600 (CST)
From:      Stephen Bader <steveb@jorsm.com>
To:        FreeBSD Questions <freebsd-questions@FreeBSD.ORG>
Subject:   VTUN/Routed
Message-ID:  <Pine.BSF.4.21.0111101815000.8845-100000@mercury.jorsm.com>
In-Reply-To: <Pine.BSF.4.10.10111101558090.49638-100000@andrsn.stanford.edu>

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I'm trying to create a network that is only physically connected via a
tunnel across the internet. I'm using vtun for the tunnel, and both ends
of the tunnel can ping the other end. The tunneling is working great. The
setup looks like the diagram below:

  _________						    __________
  |	   | ppp0 10.0.0.1		ppp0 10.0.0.2	    |	      |
  | TUN A  | fxp0 123.456.123.456	fxp0 123.654.123.654|  TUN B  |
  |	   | ------------------  Internet  ---------------- |	      |
  ----------						    -----------


Tunnel box A is connected to a physical LAN in which many routers are
talking RIPv2. I have routed running on both TUN A and TUN B. Routed on
TUN A is talking RIPv2 with all of the other routers, and updating its
routing table properly. However, it isn't telling TUN B about the routes
its learning. I know that both TUN A and B are talking rip though, because
if I add an alias to the ethernet interface on either box, the routing
table on the other box updates appropriately. Is there something I need to
do to make sure it broadcasts its known routes over the ppp0
interface? I've been running "routed -s" and made sure both machines are
running as gateways. What would prevent TUN A from telling TUN B about
routes that it has learned? Is there something I have over-looked?

-Steve


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