OSPF features

  • Classless – It is classless by design; therefore, it supports VLSM and CIDR.
  • Efficient – Routing changes trigger routing updates (no periodic updates). It uses the SPF algorithm to choose the best path.
  • Fast convergence – It quickly propagates network changes.
  • Scalable – It works well in small and large network sizes. Routers can be grouped into areas to support a hierarchical system.
  • Secure – It supports Message Digest 5 (MD5) authentication. When enabled, OSPF routers only accept encrypted routing updates from peers with the same pre-shared password.
By vichhaiy Posted in Cisco

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