Switch Routing Multicast Configuration

Dashboard Location: Switching > Configure > Switch Settings > Multicast Settings

Multicast Traffic Management

Switch routing multicast configuration in Meraki networks provides administrators with comprehensive multicast traffic control capabilities, enabling efficient multicast distribution, IGMP snooping optimization, bandwidth conservation, and network performance enhancement. This functionality supports multicast group management, unknown traffic handling, IGMP query processing, multicast forwarding optimization, and network resource conservation. Multicast routing is essential for video streaming applications, software distribution systems, real-time collaboration tools, and enterprise environments requiring efficient one-to-many communication patterns.

Diagram

Classes

switch (meraki.domains.organizations.networks)

Name	Type	Constraint	Mandatory	Default Value
routing_multicast	Class	`[routing_multicast]`	No

routing_multicast (meraki.domains.organizations.networks.switch)

Name	Type	Constraint	Mandatory	Default Value
default_settings	Class	`[default_settings]`	No
overrides	List	`[overrides]`	No

default_settings (meraki.domains.organizations.networks.switch.routing_multicast)

Name	Type	Constraint	Mandatory	Default Value
igmp_snooping	Boolean	`true`, `false`	No
flood_unknown_multicast_traffic	Boolean	`true`, `false`	No

overrides (meraki.domains.organizations.networks.switch.routing_multicast)

Name	Type	Constraint	Mandatory
switch_profiles	List	String[min: `1`, max: `127`]	No
switches	List	Any[String[matches: `^[A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{4}$`] or String[min: `1`, max: `127`]]	No
stacks	List	String[min: `1`, max: `127`]	No
igmp_snooping	Boolean	`true`, `false`	No
flood_unknown_multicast_traffic	Boolean	`true`, `false`	No

Examples

Example-1: The example below demonstrates switch routing multicast configuration.

This configuration enables multicast routing capabilities on Layer 3 switches for efficient multicast traffic distribution. The example includes multicast protocol settings and routing parameters for optimized group communication.

This configuration manages multicast traffic handling using “routing_multicast” settings with “default_settings” containing “flood_unknown_multicast_traffic” (true/false) for controlling unknown multicast flooding behavior and “igmp_snooping” (true/false) for enabling IGMP packet inspection and learning. The configuration optimizes multicast delivery by preventing unnecessary flooding of unknown multicast traffic while enabling IGMP snooping for intelligent multicast forwarding, reducing network congestion, conserving bandwidth, and ensuring efficient distribution for applications like video streaming, software updates, and real-time collaboration systems.

meraki:
  domains:
    - name: !env domain
      administrator:
        name: !env org_admin
      organizations:
        - name: !env org
          networks:
            - name: !env network_name
              product_types:
                - appliance
                - switch
                - wireless
                - camera
                - sensor
                - cellularGateway
              switch:
                routing_multicast:
                  default_settings:
                    flood_unknown_multicast_traffic: false
                    igmp_snooping: false