[Openswan Users] routing problem with netmask 255.255.255.255
tedkaz at optonline.net
Tue Sep 7 06:39:56 CEST 2004
On Sun, 2004-09-05 at 12:03, Paul Wouters wrote:
> On Sun, 5 Sep 2004, Alex, Wheeler wrote:
> > Problem: ipsec0 routes do not appear in IP routing table
> > I have the following ipconfiguration:
> > Machine A
> > ifconfig eth0 w.x.y.z broadcast w.x.y.z netmask 255.255.255.255
> > route add 10.255.255.1 dev eth0
> > route add default gw 10.255.255.1
> That's a pretty bogus network configuration. Assuming "w.x.y.z" is
> something your isp gave you, and you don't care for the machines
> at z+1 or z-1, you could change this to:
> ifconfig eth0 w.x.y.z netmask 255.255.255.252
> > conn machineA-to-machineB
> > auto=start
> > left=w.x.y.z
> > rightid=@machineB
> > right=a.b.c.d
> > rightrsasigkey=posidcpsodicpsodicpsocipsodicposdicfoobar
> Since it is so weird, I'd put a leftnexthop=10.255.255.1 in there.
Why is that config bogus?
/32 is valid, and as long as the broadcast and interface ip are the same
it should not cause any issue.
I only interject as the ability to source dummy interfaces for HA is
something that is of great interest to me, and they are /32's as well.
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