Section 7: QoS (4 Points)
Configure the Frame Relay connection between R2 and R3 such that the connection can adapt to congestion when a BECN is received from the network. Assume a 1544 kbps access rate and a CIR of 64 kbps.
Consider VoIP to be a “critical” application. Configure Priority-Queing-Class-Based Weight Fair Queing (PQ-CBWFQ) on R3 and R4 to guarantee a bandwidth of 256 kbps on VoIP traffic and Fair-Queue with a queue size of 32 for all other traffic types.
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