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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Setting an SSM Group Address Range

Setting an SSM Group Address Range

Protocol Independent Multicast-Source-Specific Multicast (PIM-SSM) and PIM-SM have different group address ranges. If the group that a host joins is in the SSM group address range, PIM-SSM is adopted for multicast data forwarding; otherwise, PIM-SM is adopted. The default SSM group address range is 232.0.0.0/8, and the SSM group address range can be modified.

Context

Ensure that the SSM group address ranges of all routers are the same. Otherwise, faults may occur.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Configure a basic numbered ACL or a naming ACL as needed.

    • Configure a basic numbered ACL.

      1. Run acl [ number ] basic-acl-number [ match-order { auto | config } ]

        A basic numbered ACL is created, and the basic numbered ACL view is displayed.

      2. Run rule [ rule-id ] [ name rule-name ] { deny | permit } source { source-ip-address { source-wildcard | 0 } | any }

        Rules are configured for the basic numbered ACL.

    • Configure a naming ACL.

      1. Run acl name acl-name basic [ match-order { auto | config } ]

        A naming ACL is created, and the naming ACL view is displayed.

      2. Run rule [ rule-id ] [ name rule-name ] { deny | permit } source { source-ip-address { source-wildcard | 0 } | any }

        Rules are configured for the naming ACL.

  3. Run quit

    Return to the system view.

  4. Run pim [ vpn-instance vpn-instance-name ]

    The PIM view is displayed.

  5. Run ssm-policy { basic-acl-number | acl-name acl-name }

    An SSM group address range is configured.

    NOTE:
    • If a group address matches an ACL rule and the action is permit, the device determines that this group is in the SSM group address range.
    • If a group address matches an ACL rule and the action is deny, the device determines that this group is not in the SSM group address range.
    • If a group address does not match any ACL rule, the device determines that this group is not in the SSM group address range.
    • If a specified ACL does not exist or does not contain rules, the device determines that no groups are in the SSM group address range.

  6. Run commit

    The configuration is committed.

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Updated: 2019-01-03

Document ID: EDOC1100055017

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