Root: WRM Database > Information Technology > Certifications > CCNA > Loops > Loop Avoidance > Split Horizon > Definition > What Is Split Horizon?
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Root: WRM Database > Information Technology > Certifications > CCNA > Split Horizon > Definition > What Is Split Horizon?



What is Split Horizon?


In routing updates sent out interface X, do not include routing information about routes that refer to interface X as the outgoing interface. Split Horizon is implemented in distance vector routing protocols like RIP, RIP-2, IGRP, and EIGRP.







References

Odom, Wendell (2008) CCNA ICND2 Official Exam Certification Guide, Second Edition. Indianapolis: Cisco Press.