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2. CONFIGURING IP DEFAULT-NETWORK COMMAND

HOW TO IP DEFAULT-NETWORK COMMAND CONFIGURATION
 
Interface IP Address Configuration
 
R1  
  
Interface  IP Address   Subnet Mask  
S 1            1.1.1.1          255.0.0.0  
E 0            10.1.1.1        255.0.0.0  
  
R2  
  
Interface  IP Address   Subnet Mask 
 
S 1            1.1.1.2          255.0.0.0  
S0             2.2.2.1          255.0.0.0  
E 0            30.1.1.1        255.0.0.0  
  
R3  
  
Interface   IP Address    Subnet Mask  
S  0/2        2.2.2.2            255.0.0.0  
E 0           30.1.1.1           255.0.0.0 
 
 
Configure EIGRP according to the above scenario. Configure R1 ( S0, E0 ), R2 ( S1, S0,  
E0 ) in EIGRP AS 100 and R3 ( S0/2 ) in EIGRP AS 200. Do not advertise network  
30.0.0.0 in EIGRP process. R1 wants to send packets to network 30.0.0.0. Use the Ip  
default-network command to accomplish this task. Also disable auto-summary.  
  
R1                          
  
Router eigrp 100             
Network 10.0.0.0             
Network 1.0.0.0              
No auto-summary              
                             
R2 
 
Router eigrp 100
Network 1.0.0.0
Network 20.0.0.0
Network 2.0.0.0
No auto-summary
 
Ip route 30.0.0.0 255.0.0.0 2.2.2.2  
Ip default-network 2.0.0.0
                                                                   
 
R3  
  
Router eigrp 100  
Network 2.0.0.0  
No auto-summary.  
  
 
Verification :  
  
R1#show ip route
 
The output displays network 2.0.0.0 as a D* route in the routing table as this is candidate  
default-route established in R1 to reach network 30.0.0.0.  
   
Note: When we ping from R1 to 30.1.1.1 network  
  
R1 # ping 30.1.1.1  
  
Result:  100% success
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