routed(8) and static routes

Eugene Grosbein eugen at kuzbass.ru
Wed Oct 8 19:34:04 PDT 2003


John Polstra wrote:

> I'm trying for the first time to get routed(8) to do something useful,
> and it's got me stumped.  The man page says:
> 
>   Static routes in the kernel table are preserved and included in RIP
>   responses if they have a valid RIP metric (see route(8)).
> 
> >From reading the sources, "valid RIP metric" seems to mean a nonzero
> hopcount.
> 
> I have a static route for a VPN that I added like this:
> 
>   route -n add 192.168.0.0/16 192.168.198.51 -hopcount 1
> 
> But routed does not advertise the route.  It advertises routes for all
> of the network interfaces, but does not advertise my static route.
> FWIW, I have the line "ripv2" in /etc/gateways to suppress the use of
> RIPv1, since RIPv1 cannot handle netmasks.
> 
> Can somebody give me a clue?

It is interesting. I have FreeBSD 4.8 system A running routed(8).
It has one static route also. I did not know about -hopcount,
did not use it so routed(8) did not advertise it. A core router B
has another static route to A and that net lives with this.

Now I've added -hopcount to this static route on A
and 'routed -s' started to announce this route.
My /etc/gateway containg:

ripv2
rdisc_interval=45
no_ag
no_super_ag
redirect_ok

And mentioned route is /24.

Eugene Grosbein


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