[nsp] OSPF x firewall

[Andrew Dorsett]

On Mon, 22 Dec 2003, Dmitri Kalintsev wrote:

> On Thu, Dec 18, 2003 at 10:04:45PM -0200, Thales wrote:
> > I have a area 0 with 2 routers running OSPF. Now , i need put a firewall
> > in the midle. is it possible maintain this structure without change
> > nothing and without need enable OSPF in the firewall ? Does Someome know a
> > tip or a trick ? The subnet will be different.

Why not put setup the OSPF to work off the loopback interfaces and then
place a GRE tunnel between the two routers for the OSPF traffic.  This way
they can trade OSPF info with no problem and you don't have to change your
structure too much.  Just some thoughts...

Andrew
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