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Property

Description

fast-leave (yes | no; Default: no)Enables IGMP/MLD fast leave feature on the bridge port. The bridge will stop forwarding multicast traffic to a bridge port when an IGMP/MLD leave message is received. This property only has an effect when igmp-snooping is set to yes.
multicast-router (disabled | permanent | temporary-query; Default: temporary-query)A multicast router port is a port where a multicast router or querier is connected. On this port, unregistered multicast streams and IGMP/MLD membership reports will be sent. This setting changes the state of the multicast router for bridge ports. This property can be used to send IGMP/MLD membership reports to certain bridge ports for further multicast routing or proxying. This property only has an effect when igmp-snooping is set to yes.
  • disabled - disabled multicast router state on the bridge port. Unregistered multicast and IGMP/MLD membership reports are not sent to the bridge port regardless of what is connected to it.
  • permanent - enabled multicast router state on the bridge port. Unregistered multicast and IGMP/MLD membership reports are sent to the bridge port regardless of what is connected to it.
  • temporary-query - automatically detect multicast router state on the bridge port using IGMP/MLD queries.
unknown-multicast-flood (yes | no; Default: yes)

Changes the multicast flood option on bridge port, only controls the egress traffic. When enabled, the bridge allows flooding multicast packets to the specified bridge port, but when disabled, the bridge restricts multicast traffic from being flooded to the specified bridge port. The setting affects all multicast traffic, this includes non-IP, IPv4, IPv6 and the link-local multicast ranges (e.g. 224.0.0.0/24 and ff02::1).

Note that when igmp-snooping is enabled and IGMP/MLD querier is detected, the bridge will automatically restrict unknown IP multicast from being flooded, so the setting is not mandatory for IGMP/MLD snooping setups.

When using this setting together with igmp-snooping, the only multicast traffic that is allowed on the bridge port is the known multicast from the MDB table. 

Monitoring and troubleshooting

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