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Route summarization with EIGRP

aguila3380
Community Member

Does the ip summary-address eigrp interface configuration command only permit one summarized address per interface to be advertized,or could it take mutiple summarized routes like in a scenerio where you have two summarized routes?

for example:

The network ID's: 192.168.5.64/28, 192.168.5.80/28, 192.168.5.96/28, 192.168.5.112/28, 192.168.5.192/28, and 192.168.5.208/28 are all summarized by the two addresses 192.168.5.64/26 (for addresses 64-127), and 192.168.5.192/27 (for addresses 192-223). Would these two addresses be put in separately like so:

Router(config)#ip summary-address eigrp 192.168.5.64 255.255.255.192

Router(config)#ip summary-address eigrp 192.168.5.192 255.255.255.224

OR:

Router(config)#ip summary-address eigrp 192.168.5.64 255.255.255.0

which would be the summary address for 192.168.5.64/26, and 192.168.5.192/27

If you could, give me a couple of your own examples to go along with my own, to help me better understand.

1 Reply 1

k.poplitz
Level 7
Level 7

You can have multiple summarized address configured using the ip summary-address eigrp command