sna1--west--san2
sna1#show run
!
interface Loopback0
 ip address 192.168.100.1 255.255.255.0
!
interface Serial1/1
 ip address 172.16.224.1 255.255.255.252
 no sh
!
router eigrp 100
 network 172.16.0.0
 network 192.168.100.0
 auto-summary
!

west#show run
!
interface Serial1/0
 ip address 172.16.224.2 255.255.255.252
 no sh
!
interface Serial1/1
 ip address 172.16.224.6 255.255.255.252
 no sh
!
router eigrp 100
 network 172.16.0.0
 auto-summary
!
san2#show run
!
interface Loopback0
 ip address 192.168.200.1 255.255.255.0
!
interface Serial1/0
 ip address 172.16.224.5 255.255.255.252
 no sh
!
router eigrp 100
 network 172.16.0.0
 network 192.168.200.0
 auto-summary
!

west#show ip eigrp neighbors
IP-EIGRP neighbors for process 100
H   Address                 Interface       Hold Uptime   SRTT   RTO  Q  Seq
                                            (sec)         (ms)       Cnt Num
1   172.16.224.5            Se1/1             11 00:01:31   36   216  0  2
0   172.16.224.1            Se1/0             11 00:01:48  757  4542  0  3
west#show ip eigrp topology all-links
IP-EIGRP Topology Table for AS(100)/ID(172.16.224.6)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status
P 192.168.100.0/24, 1 successors, FD is 2297856, serno 3
        via 172.16.224.1 (2297856/128256), Serial1/0
P 172.16.224.4/30, 1 successors, FD is 2169856, serno 2
        via Connected, Serial1/1
P 172.16.224.0/30, 1 successors, FD is 2169856, serno 1
        via Connected, Serial1/0
P 192.168.200.0/24, 1 successors, FD is 2297856, serno 4
        via 172.16.224.5 (2297856/128256), Serial1/1
 
west#show ip eigrp topology 192.168.200.0
IP-EIGRP (AS 100): Topology entry for 192.168.200.0/24
  State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2297856
  Routing Descriptor Blocks:
  172.16.224.5 (Serial1/1), from 172.16.224.5, Send flag is 0x0
      Composite metric is (2297856/128256), Route is Internal
      Vector metric:
        Minimum bandwidth is 1544 Kbit
        Total delay is 25000 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 1

west#show ip eigrp traffic
IP-EIGRP Traffic Statistics for AS 100
  Hellos sent/received: 92/86
  Updates sent/received: 6/7
  Queries sent/received: 0/0
  Replies sent/received: 0/0
  Acks sent/received: 4/3
  Input queue high water mark 1, 0 drops
  SIA-Queries sent/received: 0/0
  SIA-Replies sent/received: 0/0
  Hello Process ID: 129
  PDM Process ID: 119
west#show ip eigrp interfaces
IP-EIGRP interfaces for process 100
                        Xmit Queue   Mean   Pacing Time   Multicast    Pending
Interface        Peers  Un/Reliable  SRTT   Un/Reliable   Flow Timer   Routes
Se1/0              1        0/0       757       0/15        3795           0
Se1/1              1        0/0        36       0/15          50           0
west#
west#