Comparing Internal Routing Protocols (IGPs)

The following table lists the differences between the three most popular interior routing protocols:


Type distance vector advanced distance vector link state
Metric hop count bandwidth and delay cost
Speed of convergence slow fast fast
Routing classful (RIPv1), classless(RIPv2) classless classless
Updates periodical broadcast (RIPv1), multicast(RIPv2) multicast multicast
Manual summarization no (RIPv1), yes (RIPv2) yes yes
Supported on non-Cisco routers yes no yes
Configuration complexity easy medium hard

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