Tuesday, March 10, 2015

RIP operation

  • RIP messges  đóng gói UDP với source/des port 520 .
  • 2 gói tin
    • Request                             used to ask neighbor routers to send update.
    • Response                           carries the update/routing entries.
On startup,  Request broadcast packet mang theo gói tin Rq gửi ra interface enable RIP
  • Metric used by RIP is hop count, với 1 là directly connected , 16 unreachable network.

  • On startup, RIP broadcast a packet carrying a Request message out each RIP-enabled interface. RIP process the enters a loop, listenning for RIP Request or Response message from other router. Neighbor  receiving the Request send Response containing their route table.

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