(config)#router eigrp ( name )
the following command to configure a unicast IPv4 address family that uses an AS
(config-router)#address-family ipv4 unicast autonomous-system ( as )
the following commands to configure the IPv4 address family to advertise the network
(config-router-af)#network
the following commands to configure a unicast IPv6 address family that uses an AS
(config-router)#address-family ipv6 unicast autonomous-system ( as )
The exit-address-family command exits the current address family configuration and places the router back into router configuration mode
(config-router-af)#exit-address-family
Summarizing the Routes
issue the following commands to configure a summary address
(config)#router eigrp ( name )
(config-router)#address-family ipv4 unicast autonomous-system ( as )
(config-router-af)#af-interface ( interface to summarize )
(config-router-af-interface)#summary-address ( address and mask )
