EIGRP Multi-AF Mode

EIGRP Multi-AF Mode, also known as EIGRP Named Mode. The named mode is the new way of configuring EIGRP; this mode allows EIGRP configurations to be entered in a hierarchical manner under the router mode. 



#R2
router eigrp EIGRP-R2
 !
 address-family ipv4 unicast autonomous-system 100
  !
  topology base
  exit-af-topology
  network 1.1.1.0 0.0.0.255
  network 12.1.1.0 0.0.0.255
 exit-address-family
#R1
router eigrp EIGRP-R1
 !
 address-family ipv4 unicast autonomous-system 100
  !
  topology base
  exit-af-topology
  network 2.2.2.0 0.0.0.255
  network 12.1.1.0 0.0.0.255
 exit-address-family


EIGRP Wide Metric scaling is automatically enabled when EIGRP runs in Named Mode. This can be seen from the delay value now being measured in picoseconds in the EIGRP topology