An admin notices a routing loop forming between three routers running RIPv2. Which mechanism prevents routing loops by not advertising a route back on the interface it was learned from?

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Accepted Answer

Split Horizon. Split horizon is a distance vector loop prevention mechanism that dictates a route cannot be advertised back out the interface it was learned on.

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Route Summarization

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Poison Reverse

Answer

Holddown Timers

An admin notices a routing loop forming between three routers running RIPv2. Which mechanism prevents routing loops by not advertising a route back on the interface it was learned from?

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