RIPv1 & RIPv2

RIPv1

  • Only advertises classful addresses (Class A, Class B, Class C).

  • Doesn't support VLSM, CIDR.

  • Doesn't include subnet mask information in advertisements (Response messages).

    • 10.1.1.0/24 will become 10.0.0.0 (Class A address, so assumed to be /8).

    • 172.16.192.0/18 will become 172.16.0.0 (Class B address, so assumed to be /16).

    • 192.168.1.4/30 will become 192.168.1.0 (Class C address, so assumed to be /24).

  • Messages are broadcasted to 255.255.255.255-

RIPv2

  • Supports VLSM and CIDR.

  • Includes subnet mask information in advertisements.

  • Messages are multicast to 224.0.0.9.

Broadcast - messages are delivered to all devices on the local network.

Multicast - messages are delivered only to devices that have joined that specific multicast group.

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