Cisco IE-4000 Software Configuration Manual page 884

Configuring IP Unicast Routing
Configuring ISO CLNS Routing

Designated router election priority, which allows you to reduce the number of adjacencies required on a multiaccess
network, which in turn reduces the amount of routing protocol traffic and the size of the topology database.

The interface circuit type, which is the type of adjacency desired for neighbors on the specified interface.

Password authentication for the interface.
BEFORE YOU BEGIN
Enable IS-IS routing as described in the Enabling IS-IS Routing, page
880
873.