In OSPF configuration mode, an engineer would use the no network network-id and area area-id subcommands to remove the network commands.
Information About OSPF:
OSPF is an Interior Gateway Protocol (IGP) designed specifically for IP networks, and it supports IP subnetting as well as tagging of externally derived routing information.
OSPF also supports packet authentication and sends and receives packets using IP multicast. RFC 1253 and the OSPF management information base are supported by the Cisco implementation.
The Cisco implementation adheres to the OSPF Version 2 specifications by including the following key features:
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