ccna guide to cisco networking pdf

ccna guide to cisco networking pdf.Enable EIGRP has a class network boundary auto-summary function, but it only auto-summarizes locally generated routes; for route entries that traverse this routerEIGRP cannot automatically summarize route entries that traverse this router, which is different from RIP. 172.31.0.0Interfaces with matching network addresses will be enabled for IPv4 EIGRP, and can send and receive IPv4 EIGRP updates R1 (config-router)#passive-interface gigabitEthernetO/O// Configure passive interfaces> [Technical Jfi Essentials].Chapter 16 EIGRP .277 .Global Configuration Commands router eigrp autonomous-system Starts the routing process for IPv4 EIGRP. The autonomous-system parameter is selected by the network administrator and takes a value from 1 to 65535. Although EIGRP refers to the process ID as the autonomous system ID, it actually acts as a process ID and is independent of the autonomous system number of the BGP routing protocol. All routers in an EIGRP routing domain must use the same process ID number. It is important to note that a router can start multiple IPv4 EIGRP processes and, if necessary, can share routing information through redistribution.EIGRP determines router IDs in the following order.1 The router ID specified with the command eigrp router-id in the EIGRP process takes precedence.2 If no router ID is specified in the EIGRP process, then the IP address of the loopback interface with the largest IP address is selected as the EIGRP router ID.3If no loopback interface is configured, the IP address of the largest active physical interface is selected as the EIGRP router ID.