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Routing & Switching · Foundational

RIP Version 2 (RIPv2)

Classless RIP that carries subnet masks, supports authentication and multicasts updates to 224.0.0.9.

Definition

RIPv2 adds subnet masks to updates so it supports VLSM and discontiguous networks, plus next-hop fields, route tags and MD5 authentication. Updates are sent to multicast 224.0.0.9 rather than the RIPv1 broadcast. It still uses hop count and the 15-hop limit.

Example

version 2 under router rip enables RIPv2.

Exam tip

RIPv1 is classful and broadcasts; RIPv2 is classless and multicasts to 224.0.0.9.

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