***Network Topology for EIGRP Configuration***
R1 Router
R1>enable
Enters privileged mode.
R1#config t
Moves to global configuration mode.
R1(config)#router eigrp ConfigEG
Creates a named EIGRP virtual instance called ConfigEG.
R1(config-router)#address family ipv4 autonomous-system 1
Enables the IPv4 address family and starts EIGRP autonomous system 1.
R1(config-router-af)#network 10.1.1.0
Enables EIGRP for IPv4 on interfaces in the 10.1.1.0 network.
R1(config-router-af)#network 192.168.0.0
Enables EIGRP for IPv4 on interfaces in the 192.168.0.0 network.
R1(config-router-af)#network 192.168.1.0
Enables EIGRP for IPv4 on interfaces in the 192.168.1.0 network.
R1(config-router-af)#af-interface gigabitethernet0/0
Moves the router into the address family interface configuration mode for interface Gigabit Ethernet 0/0.
R1(config-router-af- interface)#summary-address 192.168.0.0/23
Configures a summary aggregate address for the two serial prefixes.
R1(config-router-af- interface)#exit
Returns to address family configuration mode.
R1(config-router-af)#exit
Returns to EIGRP router configuration mode.
R1(config-router)#address-family ipv6 autonomous-system 1
Enables the IPv6 address family and starts EIGRP autonomous system 1.
All IPv6 enabled interfaces are included in the EIGRPv6 process.
R1(config-router-af)#exit
Returns to EIGRP router configuration mode.
R1(config-router)#exit
Returns to global configuration mode.
R1(config)#exit
Returns to privileged mode.
R1#copy running-config startup- config
Copies the running configuration to NVRAM.
R2 Router
R2>enable
Enters privileged mode.
R2#config t
Moves to global configuration mode.
R2(config)#router eigrp ConfigEG
Creates a named EIGRP virtual instance called ConfigEG.
R2(config-router)#address family ipv4 autonomous-system 1
Enables the IPv4 address family and starts EIGRP autonomous system 1.
R2(config-router-af)#network 192.168.0.0
Enables EIGRP for IPv4 on interfaces in the 192.168.0.0 network.
R2(config-router-af)#exit
Returns to EIGRP router configuration mode.
NOTE: The complete command is exit-address-family.
R2(config-router)#address-family ipv6 autonomous-system 1
Enables the IPv6 address family and starts EIGRP autonomous system 1. All IPv6 enabled interfaces are included in the EIGRPv6 process.
R2(config-router-af)#exit
Returns to EIGRP router configuration mode.
R2(config-router)#exit
Returns to global configuration mode.
R2(config)#exit
Returns to privileged mode.
R2#copy running-config startup- config
Copies the running configuration to NVRAM.
R3 Router
R3>enable
Enters privileged mode.
R3#config t
Moves to global configuration mode.
R3(config)#router eigrp ConfigEG
Creates a named EIGRP virtual-instance called ConfigEG.
R3(config-router)#address family ipv4 autonomous-system 1
Enables the IPv4 address family and starts EIGRP autonomous system 1.
R3(config-router-af)#network 192.168.1.0
Enables EIGRP for IPv4 on interfaces in the 192.168.1.0 network.
R3(config-router-af)#exit
Returns to EIGRP router configuration mode.
NOTE: The complete command is exit-address-family.
R3(config-router)#address-family ipv6 autonomous-system 1
Enables the IPv6 address family and starts EIGRP autonomous system 1. All IPv6 enabled interfaces are included in the EIGRPv6 process.
R3(config-router-af)#exit
Returns to EIGRP router configuration mode.
R3(config-router)#exit
Returns to global configuration mode.
R3(config)#exit
Returns to privileged mode.
R3#copy running-config startup- config
Copies the running configuration to NVRAM.
Shows the network topology for the configuration that follows, which shows how to configure EIGRP using commands covered in this chapter.
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