The Routing Information Protocol (RIPv1) is a distance-vector routing protocol, which uses the hop count as a routing metric. It broadcasts updates every 30 seconds and each update carries the entire routing table. It does not recognize VLSM. It uses the Bellman-Ford algorithm and there is no routing update authentication available. The maximum hop count is 15 and its updates carry 25 routes maximum. Also it has equal-cost load shared by default.
The upgraded RIPv2 offers routing update authentication and supports VLSM. It also multicasts updates every 30 seconds to 224.0.0.9.
The upgraded RIPv2 offers routing update authentication and supports VLSM. It also multicasts updates every 30 seconds to 224.0.0.9.
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