[c-nsp] DHCP Route Tracking in the 870 Series

Gert Doering gert at greenie.muc.de
Mon Apr 27 14:14:36 EDT 2009


Hi,

On Mon, Apr 27, 2009 at 08:50:29AM -0500, Jason Link wrote:
> So, this spears to work:
> 
> Ip route 0.0.0.0 0.0.0.0 bvi2 track 123

If this does what it seems to do, this is a baaaaad idea.

Normally, if you point a default route to an interface that does ARP,
it will send out (proxy-) ARP request for every single IP address that
you want to talk to - and it will only work if the router on the other
end will nicely do proxy ARP for you, answering ARP requests for
non-local IP addresses.

Which is something that was also a bad idea to implement as a default.

gert
-- 
USENET is *not* the non-clickable part of WWW!
                                                           //www.muc.de/~gert/
Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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