Frame Relay Traffic Fragmentation | Complete Lab Included

12 Sep

Cisco’s Frame Relay Traffic Fragmentation scheme supports the transport of mixed voice and data traffic across the same interface without the longer data frames causing excessive delay to the normally smaller-sized voice packets. The longer frames are fragmented by the router into a sequence of shorted frames at the sending end. Then the smaller fragmented data frames can be interleaved with the real-time delay-sensitive voice frames.

In this lab, we’ll configure frame relay traffic fragmentation over the link between R1 and R2. Network administrator has determined that 150 bytes is the optimal transmission size over this line.

Frame Relay Traffic fragmentation

 

Network Diagram: Frame Relay Traffic Fragmentation

Trap: Frame relay traffic-shaping can be configured one-way, but fragmentation cannot. If one side is not configured for fragmentation, it will not know what to do with a fragmented frame and therefore will discard it.

We enable frame relay fragmentation on the link by configuring both routers with fragmentation commands.

Download the Qmap to get detailed configuration guide, commands, outputs and map of the lab. You will need NetBrain Qmap Reader to view this Qmap.

Download Qmap

Source: http://blog.netbraintech.com/2013/09/10/frame-relay-traffic-fragmentation/

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