Scenario 5-2: Summarization with EIGRP
In this scenario, you use summarization with the network configured for EIGRP in Scenario 5-1 and reduce the IP routing table size within an AS and external to the AS.
Figure 5-3 displays the connected routes being advertised by R1 and R2.
Figure 5-3. R1 and R2 Connected Networks
The networks ranging from 131.108.1.0 to 131.108.31.255 reside on two routers; in other words, 31 subnets or IP routing entries populate the routing tables in AS 1 and AS 2.
Example 5-31 displays the IP routing table on R3.
Example 5-31. R3's IP Routing Table
R3#show ip route 168.131.0.0/16 is variably subnetted, 3 subnets, 3 masks ... |
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