Download below ISIS Routing Protocol document with 10 labs and scenarios.
Enjoy studying the follwing labs:
Lab 1: IS-IS level 1 and DIS router
Lab 2: IS-IS level 2 and level 1 database
Lab 3: IS-IS route leaking feature
Lab 4: Multiple area IS-IS network
Lab 5: IS-IS adjacencies level
Lab 6: IS-IS over IPv6
Lab 7: Areas in IS-IS
Lab 8: IS-IS Multi-Area on a single router
Lab 9: Troubleshooting IS-IS Adjacency
Lab 10: Redistributed Routes into IS-IS External and Internal metrics IPv4 and IPv6