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Configuration Guide - IP Multicast

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.
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(Optional) Configuring an SSM Group Policy

(Optional) Configuring an SSM Group Policy

Context

By default, the address of a Source-Specific Multicast (SSM) group ranges from 232.0.0.0 to 232.255.255.255. If a user joins a multicast group whose IP address is not in this range, configure an SSM group policy in the VLAN to add the multicast group address to the range of SSM group addresses. The SSM group policy must be used together with an ACL. For details on how to configure an ACL, see "ACL Configuration" in the CloudEngine 12800 and 12800E Series Switches Configuration Guide - Security.

NOTE:

By default, the ACL applied to an SSM group policy denies all multicast groups. Therefore, to exclude specific group addresses from the SSM group address range, use a rule permit source any rule with deny rules in the ACL.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run vlan vlan-id

    The VLAN view is displayed.

  3. Run igmp snooping ssm-policy { basic-acl-number | acl-name acl-name }

    An SSM group policy is configured.

    After you configure an SSM group policy, the multicast groups specified in the SSM policy are considered as SSM groups.

  4. Run commit

    The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074724

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