[CentOS] making a route sticky

[Les Mikesell]

On Fri, 2005-08-05 at 14:59, Aleksandar Milivojevic wrote:

> > This should give you an interface that looks real enough to run zebra
> > with rip or ospf and at least in theory it should work the same with
> > a cisco at the other end.
> 
> I've just ran into one interesting problem with this approach.  Seems that
> Netfilter is getting confused or something...  Or at least I wasn't been able
> to make an usable config.

Does ifconfig show the GRE tunnel as a PTP interface or something with
a reasonable netmask?  If something is trying to figure out how to
access it, you might want to make it look like a 4-host subnet
(netmask 255.255.255.252) using the 2 usable addresses for the
endpoints.

-- 
  Les Mikesell
   lesmikesell at gmail.com