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

meraki

Name	Type	Constraint	Mandatory	Default Value
domains	List	domains	No

domains (meraki)

Name	Type	Constraint	Mandatory	Default Value
organizations	List	organizations	Yes

organizations (meraki.domains)

Name	Type	Constraint	Mandatory	Default Value
networks	List	networks	No

networks (meraki.domains.organizations)

Name	Type	Constraint	Mandatory	Default Value
switch	Class	switch	No

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	Default Value
switch_profiles	List	String[min: 1, max: 127]	No
switches	List	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