Introduction to Intermediate System-to-Intermediate System Protocol
http://www.cisco.com/warp/public/cc...it/insys_wp.htm
Configuring IS-IS for IP on Cisco Routers
http://www.cisco.com/warp/public/97...-ip-config.html
Configuring IS-IS Authentication
http://www.cisco.com/warp/public/97/isis_authent.html
IS-IS Network Types and Frame Relay Interfaces
http://www.cisco.com/warp/public/97/isis-frint.html
IS-IS Multiarea Support
http://www.cisco.com/univercd/cc/td...0t5/ismarea.htm