• When advertising summary in EIGRP, a leak map can be used to throw in a more specific prefix if needed.
  • Can be used for traffic engineering.
  • Applied to a router via route map.


Prefix List

Route Map

EIGRP Summary Statement with Leak Map

The command ‘summary-address leak-map leakmap‘ summarizes the loopback IP addresses, and leaks the more specific address to the EIGRP neighbor. The EIGRP neighbor’s routing table now looks like below:

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