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EIGRP AS Number | Training Camp

Glossary > EIGRP AS Number

What is EIGRP AS Number?

Understanding EIGRP AS Number

EIGRP AS Number (Autonomous System Number) is a unique identifier used in Enhanced Interior Gateway Routing Protocol (EIGRP) to determine administrative boundaries within which routes are exchanged and kept separate. Each EIGRP router in the network is assigned an AS number to facilitate routing table maintenance and efficient path selection. AS numbers help routers distinguish between internal routes within the same AS and external routes learned from other ASs, enabling effective routing decisions in complex network environments.

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