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3. CONFIGURE ROUTE SUMMARIZATION

HOW TO ROUTE SUMMARIZATION CONFIGURATION
 
Interface IP Address Configuration  
  
R1  
  
Interface    IP Address        Subnet Mask  
S 0/2/0      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          20.1.1.1          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  
Loopback 1   172.168.0.1       255.255.255.0  
Loopback 2   172.168.1.1       255.255.255.0  
Loopback 3   172.168.2.1       255.255.255.0  
Loopback 4   172.168.3.1       255.255.255.0  
Loopback 5   172.168.4.1       255.255.255.0  
Loopback 6   172.168.5.1       255.255.255.0  
Loopback 7   172.168.6.1       255.255.255.0  
Loopback 8   172.168.7.1       255.255.255.0
 
TASK-1
 
Configure the following Loopback Interfaces on R3 and advertise them under EIGRP:  
  
Loopback 1: 172.168.0.1/24  
Loopback 2: 172.168.1.1/24  
Loopback 3: 172.168.2.1/24  
Loopback 4: 172.168.3.1/24  
Loopback 5: 172.168.4.1/24  
Loopback 6: 172.168.5.1/24  
Loopback 7: 172.168.6.1/24  
Loopback 8: 172.168.7.1/24  
 
 
R3  
  
Interface loopback 1  
 Ip address 172.168.0.1 255.255.255.0  
Interface loopback 2  
 Ip address 172.168.1.1 255.255.255.0  
Interface loopback 3  
 Ip address 172.168.2.1 255.255.255.0  
Interface loopback 4  
 Ip address 172.168.3.1 255.255.255.0  
Interface loopback 5  
 Ip address 172.168.4.1 255.255.255.0  
Interface loopback 6  
 Ip address 172.168.5.1 255.255.255.0  
Interface loopback 7  
 Ip address 172.168.6.1 255.255.255.0  
Interface loopback 8  
 Ip address 172.168.7.1 255.255.255.0  
 
Router eigrp 100  
Network 2.0.0.0  
Network30.0.0.0  
Network 172.168.1.0 0.0.0.255  
Network 172.168.2.0 0.0.0.255  
Network 172.168.3.0 0.0.0.255  
Network 172.168.4.0 0.0.0.255  
Network 172.168.5.0 0.0.0.255  
Network 172.168.6.0 0.0.0.255  
Network 172.168.7.0 0.0.0.255  
Network 172.168.0.0 0.0.0.255  
No auto-summary  
 
 
Task 2  
 
Configure EIGRP on R1 and R2. Advertise the directly connected networks in EIGRP in  
AS 100. Disable auto-summary. Also configure route summarization so that only one  
summary route is advertised to R1.  
  
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 1.0.0.0
Network 1.0.0.0
Network 20.0.0.0
Network 2.0.0.0
No auto-summary
 
Int s0
Ip summary-address eigrp 100 172.168.0.0
 
 
Verification:  
  
R1#show ip route  
 
With route summarization on R2 a summary route is created pointing to null 0  
 
R2#show ip route 
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