[c-nsp] Tunnel shutting down when I "ip route"

Gert Doering gert at greenie.muc.de
Fri Feb 2 02:17:35 EST 2007


Hi,

On Fri, Feb 02, 2007 at 11:44:32AM +0800, Hay Kan Sugeng wrote:
> ip route 192.168.3.1 255.255.255.255 Ethernet0/0

Don't do that - that is, don't point routes to Ethernet interfaces (as
opposed to a gateway IP) unless you *want* the router to send ARP requests
for each IP address routed that way towards the Ethernet interface.

Normally, such a the destination is not local, and it just works by chance
because some other Cisco device has proxy-arp turned on.  (Which definitely
must go from the default settings!).

gert


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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de


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