http://www.mrtd.net seems to have a very robust routing daemon for linux
(even does BGP).  Implementing OSPF with it looks fairly straightforward
also.

Jay

> -----Original Message-----
> From: Nate Carlson [mailto:natecars at real-time.com] 
> Sent: Wednesday, October 03, 2001 11:58 AM
> To: tcwug-list at tcwug.org
> Subject: RE: [TCWUG] Article on building a wireless freenet
> 
> 
> On Wed, 3 Oct 2001, Austad, Jay wrote:
> > I'm thinking either IPSec (Freeswan), or CIPE between access points 
> > for encryption.  Freeswan would probably be best because it 
> will work 
> > with other IPSec implementations.  With CIPE, I think you are stuck 
> > connecting to only other CIPE boxes.
> 
> Thing I like about Freeswan is that you can also set up 
> Windows boxes to authenticate against it.
> 
> One of our clients is going to be doing a 2mi wireless link 
> between two buildings, running an IPSec gateway on each end 
> doing encryption over the link.. they may also end up wanting 
> wireless clients within the building(s), if they do, it'll be 
> simple to generate a X.509 cert for each of the clients, and 
> have them authenticate to the freeswan box before they get 
> anywhere.  :)
> 
> I guess you havne't actually implemented any of this yet? It 
> sounded like you had.  :(
> 
> > As for routing, we can run OSPF on each node and broadcast 
> a default 
> > route in from each internet connection point.  Anyone on 
> the network 
> > will be routed out the closest internet connection.  However, BGP 
> > would be the way to go.  We don't need to broadcast any 
> routes, just 
> > pull them down from a router just outside each internet 
> connection.  
> > Most use authentication, however, MANY also have public snmp 
> > communities, and you can pull the table via snmp, however, 
> getting it 
> > into your local routing table might be a problem.  
> Initially, OSPF and 
> > injecting default routes is probably the best solution.
> 
> You happen to have any links to OSPF under Linux (Zebra, or 
> something else?)? Never played with it..  haven't actually 
> really searched OSPF all that much, should do that one of 
> these days.  :)
> 
> -- 
> Nate Carlson <natecars at real-time.com>   | Phone : (952)943-8700
> http://www.real-time.com                | Fax   : (952)943-8500
> 
> 
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