单选题
发布日期:2020-04-11
mark VOIP traffic with IP precedence 6 and configure only ’fair-queue’ on the links
configure the scheduler allocate 3000 1000 command to allow the QoS code to have enough CPU cycles
enable class-based traffic shaping on the VoIP traffic class
enable Layer 2 fragmentation and interleaving on the links
enable Frame Relay on the links and send voice and data on different Frame Relay PVCs
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