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Configuration Guide - IP Multicast

S7700 and S9700 V200R013C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, IPv4 PIM, IPv6 PIM, MSDP, multicast VPN, layer 3 multicast CAC, IPv4 multicast route management, IPv6 multicast route management, IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, layer 2 multicast CAC, multicast network management.
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Configuring a Multicast Boundary

Configuring a Multicast Boundary

Pre-configuration Tasks

Before configuring the multicast boundary, complete the following tasks:

  • Configure a unicast routing protocol to ensure normal unicast routing on the network.
  • Run the multicast routing-enable command in the system view to enable Layer 3 multicast routing globally.

Context

To restrict forwarding of multicast packets sent to a multicast group within a range, configure a multicast boundary on interfaces. Once the multicast boundary is configured on an interface, multicast packets sent to the group cannot be forwarded through the interface.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. (Optional) On an Ethernet interface, run undo portswitch

    The interface is switched to Layer 3 mode.

    By default, an Ethernet interface works in Layer 2 mode.

  4. Run multicast boundary group-address { mask | mask-length }

    A multicast boundary is configured on the interface.

Verifying the Configuration

After configuring a multicast boundary on interfaces, check the multicast routing table and information about the multicast boundary on the interfaces to verify that the multicast network can operate normally.

  • Run either of the following commands to check the multicast routing table:

    • display multicast { vpn-instance vpn-instance-name | all-instance } routing-table [ group-address [ mask { group-mask | group-mask-length } ] | source-address [ mask { source-mask | source-mask-length } ] | incoming-interface { interface-type interface-number | register } | outgoing-interface { include | exclude | match } { interface-type interface-number | register | none } ] * [ outgoing-interface-number [ number ] ]

    • display multicast routing-table [ group-address [ mask { group-mask | group-mask-length } ] | source-address [ mask { source-mask | source-mask-length } ] | incoming-interface { interface-type interface-number | register } | outgoing-interface { include | exclude | match } { interface-type interface-number | vpn-instance vpn-instance-name | register | none } ] * [ outgoing-interface-number [ number ] ]

  • Run the display multicast [ vpn-instance vpn-instance-name | all-instance ] boundary [ group-address [ mask | mask-length ] ] [ interface interface-type interface-number ] command to check information about the multicast boundary configured on an interface.
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Updated: 2019-04-08

Document ID: EDOC1100065742

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