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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 the Maximum Number of Downstream Nodes in a Multicast Forwarding Entry

Configuring the Maximum Number of Downstream Nodes in a Multicast Forwarding Entry

Context

When the switch receives a multicast packet, it copies the packet for each downstream node in the matching multicast forwarding entry. If there are too many downstream nodes, the switch is overloaded. To reduce the load on the switch, limit the number of downstream nodes in each multicast forwarding entry.

Default Settings

By default, a multicast forwarding entry can contain a maximum of 128 downstream nodes.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run multicast forwarding-table downstream-limit limit

    The maximum number of downstream nodes in a multicast forwarding entry is configured.

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Updated: 2019-04-08

Document ID: EDOC1100065742

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