Netopia 435 Reference Manual page 82

Deleting a static route
To delete a static route, select Delete Static Route in the Static
Routes screen to display a table of static routes. Select a static
route from the table and press Return to delete it. To exit the table
without deleting the selected static route, press the Escape key.
Rules of static route installation
The Netopia ISDN Router applies certain rules before installing
enabled static routes in the IP routing table. An enabled static route
will not be installed in the IP routing table if any of the following
conditions are true:
The static route's Next Gateway IP Address matches the IP
address used by a connection profile or the Netopia ISDN
Router's Ethernet port.
The static route's Next Gateway IP Address matches an IP
address in the range of IP addresses being distributed by
MacIP or DHCP.
The static route's Next Gateway IP Address is determined to
be unreachable by the Netopia ISDN Router.
The static route's route information conflicts with a connection
profile's route information.
The connection profile associated with the static route is set for
dial-in connections only, and there is no incoming call
connected to that connection profile.
The connection profile associated with the static route has a
disabled dial-on-demand setting, and there is no current
connection using that connection profile.
A static route is already installed in the IP routing table will be
removed if any of the conditions listed above become true for that
static route. However, an enabled static route is automatically
reinstalled once the conditions listed above are no longer true for
that static route.
IP Setup 4-17