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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Configuring Layer 2 Multicast CAC in a VSI Scenario

Configuring Layer 2 Multicast CAC in a VSI Scenario

Layer 2 multicast CAC configurations are performed in a VSI scenario to limit the multicast group number and bandwidth.

Context

On the network shown in Figure 18-12, PE1 is downlinked to a residential network and uplinked to PE2 through a VPLS network to access an IPTV server on the Internet. To ensure high PE1 performance, stable multicast data transmission on PE1, and good IPTV service experience, configure Layer 2 multicast CAC for specific VSIs on PE1. If all programs of a service provider are grouped into one or more VSI channels, Layer 2 multicast CAC can also be configured to limit the bandwidth to a specific value for each multicast group in a VSI channel.

Figure 18-12 Configuring Layer 2 multicast CAC for a VSI
NOTE:
  • On this network, PE1 is a Layer 2 device on which VSI-based Layer 2 multicast CAC needs to be configured.

  • Before configuring Layer 2 multicast CAC for a VSI, configure an LDP-based VSI.

  • Before configuring Layer 2 multicast CAC for a sub-interface, configure the sub-interface as a dot1q termination sub-interface and bind the sub-interface to the LDP-based VSI.

Layer 2 multicast CAC configurations can be performed for a VSI channel and for a sub-interface in a VSI.

Procedure

  • Configure Layer 2 multicast CAC for a VSI.
    1. Run system-view

      The system view is displayed.

    2. Run vsi vsi-name

      A VSI is created, and the VSI view is displayed.

    3. Run l2-multicast limit max-entry count [ except { acl-number | acl-name acl-name } ]

      A multicast group number limit is configured.

    4. Run commit

      The configuration is committed.

    5. Run quit

      Exit from the VSI view.

  • Configure Layer 2 multicast CAC for a VSI channel.
    1. Run system-view

      The system view is displayed.

    2. Run l2-multicast-channel vsi vsi-name

      The VSI channel view is displayed.

    3. Run channel channel-name type { asm | ssm }

      A VSI channel is created.

      NOTE:

      A VSI channel name must be different from a global channel name.

    4. Run group group-address { group-mask-length | group-mask } [ per-bandwidth bandwidth ]

      Multicast groups are specified for the channel. If per-bandwidth bandwidth is set, the bandwidth is limited to a specific value for each multicast group in the VSI channel. If this parameter is not set, the bandwidth is not limited for any multicast group in the VSI channel.

      NOTE:
      • Multicast group addresses specified for VSI channels must be different from those specified for global channels.

      • A multicast group address can be specified only for one channel in the same VSI.

    5. (Optional) Run unspecified-channel deny

      The device is enabled to filter out multicast data for groups undefined in a VSI channel.

      After this command is run, the device permits only multicast data for groups defined in a VSI channel and denies all multicast data for groups undefined in a VSI channel.

    6. Run commit

      The configuration is committed.

    7. Run quit

      Exit from the channel view.

    8. Run quit

      Exit from the VSI channel view.

  • Configure Layer 2 multicast CAC for a sub-interface in a VSI.
    1. Run interface interface-type interface-number.subnumber

      The Eth-Trunk sub-interface view is displayed.

    2. Run l2-multicast limit [ channel channel-name ] bandwidth bandwidth dot1q { vid1 [ to vid2 ] } &<1-10>

      The bandwidth is limited to a specific value for the dot1q termination sub-interface.

    3. Run l2-multicast limit per-trunk-member bandwidth bandwidth dot1q { vid1 [ to vid2 ] } &<1-10>

      The bandwidth is limited to a specific value for each Eth-Trunk member interface.

      NOTE:
      The order of performing steps 2 and 3 is not restricted. Perform one or both of the two steps as needed.

    4. Run commit

      The configuration is committed.

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Updated: 2019-01-03

Document ID: EDOC1100055017

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