- 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.
Configuration:
Prefix List
Route Map
EIGRP Summary Statement with Leak Map
The command ‘summary-address 10.20.0.0 255.255.0.0 leak-map leakmap‘ summarizes the 10.20.0.0 loopback IP addresses, and leaks the more specific 10.20.1.0/24 address to the EIGRP neighbor. The EIGRP neighbor’s routing table now looks like below:
mickx009.org 