Configuring EIGRP Using a Wildcard Mask
IPv4 Configuration Example
The EIGRP network command syntax without the wildcard mask, as shown in Example 10-1, may be exactly what an engineer wants to use, but it also might prove a bit clumsy. For instance, if an engineer wants to enable EIGRP on G0/0, and not on G0/1, and they both have IP addresses in Class A network 10.0.0.0, the network 10.0.0.0 EIGRP subcommand would match both interfaces, instead of just G0/0.
IOS has a second option for the EIGRP network command that uses a wildcard mask so that the engineer can match exactly the correct interface IP addresses intended. In this case, the network ...
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