eigrp lab 3 cont...

by now we are painfully aware that this lab is about summarization and how not to create networks in eigrp... doesn't get much uglier than this...

r3#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.1.0 is directly connected, Loopback172
     172.31.0.0/24 is subnetted, 1 subnets
D       172.31.1.0 [90/41152000] via 10.1.1.2, 01:05:39, Serial0/0
     192.168.200.0/30 is subnetted, 7 subnets
D       192.168.200.0 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0
D       192.168.200.4 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0
D       192.168.200.8 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0
D       192.168.200.12 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0
D       192.168.200.16 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0
D       192.168.200.20 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0
D       192.168.200.24 [90/40640000] via 10.1.1.2, 01:05:39, Serial0/0            
     10.0.0.0/8 is variably subnetted, 4 subnets, 3 masks                         
D       10.1.2.8/30 [90/40640000] via 10.1.1.2, 01:05:42, Serial0/0               
C       10.1.3.0/30 is directly connected, Loopback100                            
C       10.1.1.2/32 is directly connected, Serial0/0                              
C       10.1.1.0/29 is directly connected, Serial0/0                              
     192.168.100.0/24 is variably subnetted, 2 subnets, 2 masks                   
D       192.168.100.0/28 [90/41024000] via 10.1.1.2, 01:05:42, Serial0/0          
D       192.168.100.1/32 [90/41024000] via 10.1.1.2, 01:05:42, Serial0/0          
C    192.168.12.0/23 is directly connected, Loopback13                            
C    192.168.8.0/23 is directly connected, Loopback9                              
C    192.168.24.0/23 is directly connected, Loopback25                            
C    192.168.4.0/23 is directly connected, Loopback5                              
C    192.168.20.0/23 is directly connected, Loopback21                            
C    192.168.0.0/23 is directly connected, Loopback1                              
C    192.168.16.0/23 is directly connected, Loopback17                            
r3#

did you ever in your life think auto summary would come in handy?

r3#config t                                                                       
Enter configuration commands, one per line.  End with CNTL/Z.                     
r3(config)#router eigrp 100                                                       
r3(config-router)#auto-summ                                                       
r3(config-router)#end                                                             
r3#sh                                                                             
Jul 28 09:24:40.404: %SYS-5-CONFIG_I: Configured from console by console          
r3#sh ip route                                                                    
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP                    
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area             
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2             
       E1 - OSPF external type 1, E2 - OSPF external type 2                       
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2      
       ia - IS-IS inter area, * - candidate default, U - per-user static route    
       o - ODR, P - periodic downloaded static route                              
                                                                                  
Gateway of last resort is not set                                                 
                                                                                  
     172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks                      
D       172.16.0.0/16 is a summary, 00:03:36, Null0                               
C       172.16.1.0/24 is directly connected, Loopback172                          
     172.31.0.0/16 is subnetted, 1 subnets                                        
D       172.31.0.0 [90/41152000] via 10.1.1.2, 00:02:01, Serial0/0                
D    192.168.200.0/24 [90/40640000] via 10.1.1.2, 00:03:07, Serial0/0             
     10.0.0.0/8 is variably subnetted, 5 subnets, 4 masks                         
D       10.1.2.8/30 [90/40640000] via 10.1.1.2, 00:03:07, Serial0/0               
C       10.1.3.0/30 is directly connected, Loopback100                            
C       10.1.1.2/32 is directly connected, Serial0/0                              
C       10.1.1.0/29 is directly connected, Serial0/0                              
D       10.0.0.0/8 is a summary, 00:03:37, Null0                                  
D    192.168.100.0/24 [90/41024000] via 10.1.1.2, 00:03:08, Serial0/0             
C    192.168.12.0/23 is directly connected, Loopback13                            
C    192.168.8.0/23 is directly connected, Loopback9                              
C    192.168.24.0/23 is directly connected, Loopback25                            
C    192.168.4.0/23 is directly connected, Loopback5                              
C    192.168.20.0/23 is directly connected, Loopback21                            
C    192.168.0.0/23 is directly connected, Loopback1                              
C    192.168.16.0/23 is directly connected, Loopback17

r3(config)#int s0/0                                                               
r3(config-if)#ip summary-add eigrp 100 192.168.0.0 255.255.224.0     

r1#sh ip route                                                                    
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP                    
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area             
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2             
       E1 - OSPF external type 1, E2 - OSPF external type 2                       
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2      
       ia - IS-IS inter area, * - candidate default, U - per-user static route    
       o - ODR, P - periodic downloaded static route                              
                                                                                  
Gateway of last resort is not set                                                 
                                                                                  
     172.16.0.0/24 is subnetted, 1 subnets                                        
D       172.16.1.0 [90/41152000] via 192.168.100.2, 00:09:16, Serial0/0           
     172.31.0.0/24 is subnetted, 1 subnets                                        
C       172.31.1.0 is directly connected, Loopback0                               
     192.168.200.0/30 is subnetted, 7 subnets                                     
D       192.168.200.0 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0        
D       192.168.200.4 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0        
D       192.168.200.8 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0        
D       192.168.200.12 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0       
D       192.168.200.16 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0       
D       192.168.200.20 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0       
D       192.168.200.24 [90/40640000] via 192.168.100.2, 00:09:16, Serial0/0       
     10.0.0.0/8 is variably subnetted, 4 subnets, 3 masks                         
D       10.1.2.8/30 [90/40640000] via 192.168.100.2, 00:09:19, Serial0/0          
D       10.1.3.0/30 [90/41152000] via 192.168.100.2, 00:09:19, Serial0/0          
D       10.1.1.3/32 [90/41024000] via 192.168.100.2, 00:09:19, Serial0/0          
D       10.1.1.0/29 [90/41024000] via 192.168.100.2, 00:09:19, Serial0/0          
     192.168.100.0/24 is variably subnetted, 2 subnets, 2 masks                   
C       192.168.100.0/29 is directly connected, Serial0/0                         
C       192.168.100.2/32 is directly connected, Serial0/0                         
D    192.168.0.0/19 [90/41152000] via 192.168.100.2, 00:01:06, Serial0/0          
r1#

r2(config)#int s0/0                         
r2(config-if)#ip summary-add eigrp 100 192.168.200.0 255.255.255.224              
r2(config-if)#ip summary-add eigrp 100 10.1.0.0 255.255.192.0                     
r2(config-if)#end      

r1#sh ip route                                                                    
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP                    
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area             
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2             
       E1 - OSPF external type 1, E2 - OSPF external type 2                       
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2      
       ia - IS-IS inter area, * - candidate default, U - per-user static route    
       o - ODR, P - periodic downloaded static route                              
                                                                                  
Gateway of last resort is not set                                                 
                                                                                  
     172.16.0.0/24 is subnetted, 1 subnets                                        
D       172.16.1.0 [90/41152000] via 192.168.100.2, 00:01:46, Serial0/0           
     172.31.0.0/24 is subnetted, 1 subnets                                        
C       172.31.1.0 is directly connected, Loopback0                               
     192.168.200.0/27 is subnetted, 1 subnets                                     
D       192.168.200.0 [90/40640000] via 192.168.100.2, 00:01:46, Serial0/0        
     10.0.0.0/18 is subnetted, 1 subnets                                          
D       10.1.0.0 [90/40640000] via 192.168.100.2, 00:01:46, Serial0/0             
     192.168.100.0/24 is variably subnetted, 2 subnets, 2 masks                   
C       192.168.100.0/29 is directly connected, Serial0/0                         
C       192.168.100.2/32 is directly connected, Serial0/0                         
D    192.168.0.0/19 [90/41152000] via 192.168.100.2, 00:01:46, Serial0/0          
r1#