Differences between OSPF and EIGRP
The following table lists the differences between OSPF and EIGRP:
Wildcard mask in EIGRP
NOTE This topic is not included in the latest version of the CCNA exam (200-301). If you are studying for the exam feel free to skip this article. The network command in EIGRP uses a classful network as the parameter by default, which means that all interfaces inside the classful network will participate in the EIGRP process. We can enable EIGRP only for specific networks using wildcard masks . The syntax of the command is: (router-eigrp)#network IP_ADDRESS WILDCARD_MASK We will use the following example network: The router is directly connected to three subnets. Let’s say that we want to advertise only the 10.0.0.0/24 subnet in EIGRP. We can use the wildcard mask of 0.0.0.255 to do this: R1(config-router)#network 10.0.0.0 0.0.0.255 Using the show ip protocols command we can verify that only the subnet 10.0.0.0/24 is included in EIGRP: R1#show ip protocols Routing Protocol is "eigrp 1 " Outgoing update filter list for all interfaces is not s...
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