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You are here: Home / ICND2 / Day 42 – Frame Relay and PPP / Day 42 Tasks / Frame Relay Operations

Frame Relay Operations

Frame Relay is a Layer 2 WAN protocol based on an older protocol called X.25, which is still used by ATMs due to its extensive error-checking capabilities. Frame Relay is comprised of one physical circuit upon which many logical circuits can form. Connections are made on an as-needed basis. An example of a Frame Relay network is illustrated below:

  

Figure 42.1 – A Frame Relay Network

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