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S600-E V200R012C00 Configuration Guide - IP Multicast

This document describes the configurations of IP multicast, including IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, controllable multicast, multicast network management.
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Deleting IGMP Snooping Entries of DHCP Snooping Users Immediately After Users Go Offline

Deleting IGMP Snooping Entries of DHCP Snooping Users Immediately After Users Go Offline

Context

When IGMP snooping is enabled for Dynamic Host Control Protocol (DHCP) snooping users, the switch does not delete the IGMP snooping entry of a user immediately after the user goes offline. The multicast flow requested by the user is still transmitted until the IGMP snooping entry of the user is aged out.

You can configure the switch to delete the IGMP snooping entry of a DHCP snooping user immediately after the user goes offline, so that the multicast flow requested by the user is immediately terminated.

For details about DHCP snooping, see DHCP Snooping Configuration in the S600-E V200R012C00 Configuration Guide - Security.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run dhcp-snooping user-offline remove igmp-snooping

    The switch is configured to delete IGMP snooping entries of DHCP snooping users immediately after the users go offline.

    By default, the switch does not delete IGMP snooping entries of DHCP snooping users immediately after the users go offline.

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Updated: 2018-09-01

Document ID: EDOC1100037948

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