RIP-2 Configuration
The RIP-2 configuration process takes only the following three required steps, with the possibility that the third step might need to be repeated:
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Step 1.
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Step 2.
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Use the version 2 RIP subcommand to tell the router to use RIP Version 2 exclusively.
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Step 3.
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Use one or more network net-number RIP subcommands to enable RIP on the correct interfaces.
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Step 4.
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(Optional) As needed, disable RIP on an interface using the passive-interface type number RIP subcommand.
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OSPF Configuration
OSPF configuration includes only a few required steps, but it has many optional steps. After an OSPF design has been chosen—a task that may be complex in larger IP internetworks—the configuration may be as simple as enabling OSPF on each router interface and placing that interface in the correct OSPF area.
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Step 1.
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Enter OSPF configuration mode for a particular OSPF process using the router ospf process-id global command.
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Step 2.
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(Optional) Configure the OSPF router ID by:
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Step 3.
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Configure one or more network ip-address wildcard-mask area area-id router subcommands, with any matched interfaces being added to the listed area.
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Step 4.
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(Optional) Change the interface Hello and Dead intervals using the ip ospf hello-interval time and ip ospf dead-interval time interface subcommands.
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Step 5.
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(Optional) Impact routing choices by tuning interface costs as follows:
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Step 6.
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(Optional) Configure OSPF authentication:
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Step 7.
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(Optional) Configure support for multiple equal-cost routes using the maximum-paths number router subcommand.
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EIGRP Configuration and Verification
Basic EIGRP configuration closely resembles RIP and OSPF configuration. The router eigrp command enables EIGRP and puts the user in EIGRP configuration mode, in which one or more network commands are configured. For each interface matched by a network command, EIGRP tries to discover neighbors on that interface, and EIGRP advertises the subnet connected to the interface.
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Step 1.
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Enter EIGRP configuration mode, and define the EIGRP ASN by using the router eigrp as-number global command.
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Step 2.
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Configure one or more network ip-address [wildcard-mask] router subcommands. This enables EIGRP on any matched interface and causes EIGRP to advertise the connected subnet.
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Step 3.
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(Optional) Change the interface Hello and hold timers using the ip hello-interval eigrp asn time and ip hold-time eigrp asn time interface subcommands.
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Step 4.
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(Optional) Impact metric calculations by tuning bandwidth and delay using the bandwidth value and delay value interface subcommands.
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Step 5.
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(Optional) Configure EIGRP authentication.
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Step 6.
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(Optional) Configure support for multiple equal-cost routes using the maximum-paths number and variance multiplier router subcommands.
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