Tuesday, March 7, 2017

EIGRP Basic Neighbor Adjacency


EIGRP Basic Neighbor Adjacency Lab:

Topology:

Configuration:
 R1(config)# int gi0/0
 R1(config-if)# ip address 10.0.0.1 255.255.255.0
 R1(config-if)# no shut
 R1(config-if)# exit
 !
 R1(config)# router eigrp 1
 R1(config-router)# eigrp router-id 1.1.1.1
 R1(config-router)# network 10.0.0.0 0.0.0.255 
 R2(config)# int gi0/0
 R2(config-if)# ip address 10.0.0.2 255.255.255.0
 R2(config-if)# no shut
 R2(config-if)# exit
 !
 R2(config)# router eigrp 1
 R2(config-router)# eigrp router-id 2.2.2.2
 R2(config-router)# network 10.0.0.0 0.0.0.255 
Animated Neighborship + Packet Capture


EIGRP Neighborship Packet Capture


Verification:
 R1# show ip eigrp neighbors
  EIGRP-IPv4 Neighbors for AS(1)
  H   Address                 Interface              Hold Uptime   SRTT   RTO  Q  Seq
                                                     (sec)         (ms)       Cnt Num
  0   10.0.0.2                Gi0/0                    12 01:50:53    1  3000  0  3
 R1# show ip eigrp topology
   Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
          r - reply Status, s - sia Status
   
   P 10.0.0.0/24, 1 successors, FD is 2816
           via Connected, GigabitEthernet0/0