IS-IS uses link-state packets (LSPs) for advertising topology. Open Shortest Path First (OSPF) Protocol uses link-state advertisements (LSAs) for advertising topology.
- Chapter 8. IS-IS
- from IP Routing on Cisco IOS, IOS XE, and IOS XR: An Essential Guide to Understanding and Implementing IP Routing Protocols
- Publisher: Cisco Press
- Released: December 2014
IS-IS uses Link-state packets (LSPs) for advertising