RIP, RIP2, IS-IS

RIP

• Performs autosummarization by default


• Doesn't support manual route summarization


• Doesn't support authentication


• Sends periodic routing updates over the broadcast


• Four equal paths are supported by default (6 maximum)

RIP2

• Is best for VLSM and minimum overhead.


• Support manual route summarization


• Performs autosummarization by default


• Multicast 224.0.0.9, FF02::9


• Supports authentication

IS-IS

• Link state


• Supports VLSM


• Doesn't support auto summarization


• Supports manual summarization