Book · June 023 doi: 10. 5281/zenodo. 8041398 citations reads 1,440 author

Shutdown the Network-10.0.0.0 in Router-1: 
Router(config)# 
interface 
f0/0 
Router(config-if)#shutdown
Router(config-if)# 
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to dministratively 
down 
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed 
state to down 
 
Routing Table in Router-1: 
Router#sh ip route 
Gateway of last resort is not set 
C 11.0.0.0/8 is directly connected, Serial0/0/0 
D 12.0.0.0/8 [90/2172416] via 11.0.0.2, 00:10:19, Serial0/0/0 D 
13.0.0.0/8 [90/2681856] via 11.0.0.2, 00:10:16, Serial0/0/0 D 
14.0.0.0/8 [90/2684416] via 11.0.0.2, 00:09:19, Serial0/0/0 
Note: Observed that the Network 10.0.0.0 has been removed. 
 
Routing Table in Router-2: 
Router#sh ip route 
Gateway of last resort is not set 
C 
11.0.0.0/8 is directly connected, Serial0/0/0 
C 
12.0.0.0/8 is directly connected, FastEthernet0/0 C
13.0.0.0/8 is directly connected, Serial0/0/1 
D 14.0.0.0/8 [90/2172416] via 13.0.0.2, 00:10:46, Serial0/0/1 
Note: Observed that the Network 10.0.0.0 has been removed immediately by triggered 
updates. 
 
Routing Table in Router-3: 

---

138 
Router#show ip route 
Gateway of last resort is not set 
D 11.0.0.0/8 [90/2681856] via 13.0.0.1, 00:11:54, Serial0/0/0 D
12.0.0.0/8 [90/2172416] via 13.0.0.1, 00:11:54, Serial0/0/0 
C 
13.0.0.0/8 is directly connected, Serial0/0/0 
C 
14.0.0.0/8 is directly connected, FastEthernet0/0 
Note: Observed that the Network 10.0.0.0 has been removed immediately by triggered 
updates. 
 
 
 
Knowing the EIGRP neighbors: