Implementing and Verifying EIGRP参考.ppt

Configuring EIGRP Implementing and Verifying EIGRP Configuring EIGRP Configuring EIGRP (Cont.) Configuring EIGRP for IP Using the Wildcard Mask in EIGRP Using and Configuring the ip default-network Command for EIGRP Example EIGRP Configuration R2 EIGRP Configuration Verifying EIGRP: show ip eigrp neighbors Verifying EIGRP: show ip route eigrp Verifying EIGRP: show ip protocols Verifying EIGRP: show ip eigrp interfaces Verifying EIGRP: show ip eigrp topology Verifying EIGRP: show ip eigrp traffic Summary The configuration commands for basic EIGRP include: router eigrp autonomous-system network network-number [wildcard-mask] bandwidth kilobits The optional wildcard-mask parameter in the network command is an inverse mask used to determine how to interpret the network-number parameter. A wildcard bit of 0 is a match and of 1 is “don’t care.” Create and advertise a default route in an EIGRP AS with the ip default-network network-number command. Summary (Cont.) Use the show ip eigrp neighbors command to verify that the router recognizes its neighbors. Use the show ip route eigrp command to verify that the router recognizes routes from its neighbors. Use the show ip protocols, show ip eigrp interfaces, show ip eigrp neighbors, show ip eigrp topology, and show ip eigrp traffic commands to verify EIGRP operations. Configuring EIGRP Configuring Advanced EIGRP Options EIGRP Route Summarization: Automatic Purpose: Smaller routing tables, smaller updates Automatic summarization: On major network boundaries, subnetworks are summarized to a single classful (major) network. Automatic summarization occurs by default. EIGRP Route Summarization: Manual Manual summarization has the following characteristics: Summarization is configurable on a per-interface basis in any router within a network. When summarization is configured on an interface, the router immediately creates a route pointing to null0. Loop-prevention mechanism When the last specific route of the summary goes away,