Routing Mechanisms

5) RIP v1, v2 broadcast and v2 multicast

  1. RIP Passes Routes

  2. RIP Broadcast and Listener

  3. RIP V2 Multicast and Listener

    • Multicast address for "All RIP 2 routers" is 224.0.0.9.

    • Authentication is MD4 using shared secret, but doesn't protect from replay

  4. RIP Response sent to Query

    • 30 seconds if non-triggered (all destinations)

    • trigger have random delay of 1-5 seconds (changes only)

  5. RIP v1 packet format

  6. RIP v2 packet format

  7. RIP v2 authentication packet format

  8. RIP information

Susan Hares, Merit