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Configuration Guide - WLAN-AC

S5700 and S6720 V200R012C00

This document describes the configurations of WLAN, including WLAN Service Configuration, Radio Resource Management, Roaming, WLAN QoS, WLAN Security, WDS, Mesh, Location, Hotspot 2.0, Dual-Link Cold Backup, N+1 Backup.
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Configuring Multicast CAC

Configuring Multicast CAC

Context

Multicast Call Admission Control (CAC) is a function that controls access of multicast users based on various rules to ensure multicast service availability. You can configure CAC based on multicast bandwidth or the number of multicast group memberships. These two CAC modes are independent of each other and can be used independently or together.

  • CAC based on multicast bandwidth

    If the multicast bandwidth is insufficient, new users are prevented from joining multicast groups.

  • CAC based on the number of multicast group memberships

    When the number of multicast group memberships reaches the maximum value, new users are prevented from joining multicast groups.

Pre-configuration Tasks

Before configuring multicast CAC, complete the following tasks:

Procedure

  • Configure CAC based on multicast bandwidth.
    1. Run system-view

      The system view is displayed.

    2. Run wlan

      The WLAN view is displayed.

    3. Run traffic-profile name profile-name

      A profile profile is created and the profile profile view is displayed.

      By default, the system provides the traffic profile default.

    4. Run igmp-snooping max-bandwidth max-bandwidth

      The multicast bandwidth limit is configured for a VAP.

      By default, the maximum multicast bandwidth is not configured for a VAP.

    5. Run quit

      Return to the WLAN view.

    6. Run vap-profile name profile-name

      The VAP profile view is displayed.

    7. Run traffic-profile profile-name

      The traffic profile is bound to the VAP profile.

      By default, the traffic profile default is bound to a VAP profile.

    8. Run quit

      Return to the WLAN view.

    9. Run ap-system-profile name profile-name

      An AP system profile is created and the AP system profile view is displayed.

      By default, the system provides the AP system profile default.

    10. Run igmp-snooping group-bandwidth start-group-address start-group-address end-group-address end-group-address bandwidth bandwidth-value

      The global bandwidth limit is configured for an AP.

      By default, the bandwidth of global multicast groups is not configured on an AP.

      You can configure the bandwidth of multicast groups in an AP system profile according to the actual bandwidth of a multicast program. This configuration takes effect for the APs or AP groups to which this AP system profile is bound. When users request to order this multicast program, the AC collects statistics on the current multicast bandwidth of the VAP according to the bandwidth of global multicast groups configured for the AP, and compares the current bandwidth with the configured maximum bandwidth to determine whether to allow users to order this multicast program.

    11. Run quit

      Return to the WLAN view.

    12. Bind the AP system profile to an AP group or an AP.

      • Bind the AP system profile to an AP group.

        1. Run the ap-group name group-name command to enter the AP group view.
        2. Run the ap-system-profile profile-name command to bind the AP system profile to an AP group.

          By default, the AP system profile default is bound to an AP group, but no AP system profile is bound to an AP.

      • Bind the AP system profile to an AP.

        1. Run the ap-id ap-id, ap-mac ap-mac, or ap-name ap-name command to enter the AP view.
        2. Run the ap-system-profile profile-name command to bind the AP system profile to an AP.

          By default, the AP system profile default is bound to an AP group, but no AP system profile is bound to an AP.

  • Configure CAC based on the number of multicast group memberships.
    1. Run system-view

      The system view is displayed.

    2. Run wlan

      The WLAN view is displayed.

    3. Run traffic-profile name profile-name

      A profile profile is created and the profile profile view is displayed.

      By default, the system provides the traffic profile default.

    4. Run igmp-snooping max-user max-user

      The maximum number of multicast group memberships is configured for a VAP.

      By default, the maximum number of multicast group memberships is not configured for a VAP.

    5. Run quit

      Return to the WLAN view.

    6. Run vap-profile name profile-name

      The VAP profile view is displayed.

    7. Run traffic-profile profile-name

      The traffic profile is bound to the VAP profile.

      By default, the traffic profile default is bound to a VAP profile.

Verifying the Configuration

  • Run the display traffic-profile { all | name profile-name } command to check the multicast CAC configuration in the traffic profile.

  • Run the display ap-system-profile { all | name profile-name } command to check the global multicast bandwidth configuration on the AP in the AP system profile.

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Updated: 2018-12-24

Document ID: EDOC1100038361

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