EIGRP Route Summarization Configuration on GNS3/Summary Route Lab

This is an example of EIGRP summarization lab on GNS3. You can do the EIGRP summarization on any router in network, but in our topology R1 and R6 are best router to perform route summarization. For IP and EIGRP configuration of below topology you can visit EIGRP configuration on GNS3

Before the summarization you can view the output of R2's routing table showing all subnets of and networks, making our routing table a bit complex. so lets summarize these routes.

R1 EIGRP Summarization Commands:
R1(config)#interface s1/0
R1(config-if)#ip address eigrp 100 summary-address  
R6 EIGRP Summarization Commands:
R6(config)#interface s1/0
R6(config-if)#ip address eigrp 100 summary-address
R1(config)#interface g2/0
R1(config-if)#ip address eigrp 100 summary-address


R2#show ip route  
Now you can see only one summarize route for and networks. 

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