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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Principles

Principles

Implementation

As shown in Figure 7-108, HostA, HostB, and HostC have joined a multicast group, and HostD requests to join this multicast group. Due to limitations of device performance and bandwidth, the quality of services degrades if user access is not controlled when resources are insufficient. To ensure the service quality of HostA, HostB, and HostC, Multicast CAC needs to be configured to control access of HostD.

Figure 7-108   Multicast CAC configuration

  • Solution 1: Configure the global maximum multicast bandwidth and the bandwidth of global multicast groups. Configure the bandwidth of multicast groups based on the actual bandwidth of multicast programs. When a user orders a multicast program, the AP collects statistics on the current global multicast bandwidth according to the configured bandwidth of global multicast groups, compares it with the configured global maximum multicast bandwidth, and then determines whether to allow the user to order this multicast program.
  • Solution: Configure the maximum number of global multicast group memberships. Configure the maximum number of global multicast group memberships based on the resource usage. When a user orders a multicast program, the AP compares the configured maximum number of global multicast group memberships with the current number of users who have joined multicast groups, and then determines whether to allow the user to order this multicast program.
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Updated: 2019-01-11

Document ID: EDOC1000176006

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