Cisco Systems SRW248G4P manual Multicast Global Settings, Multicast Static Member Ports

Chapter 5 Configuring the Switch

Multicast > Global Settings

Multicast > Global Settings

You can configure the Switch to forward multicast traffic intelligently.. Based on the IGMP query and report messages, the Switch forwards traffic only to the ports that request multicast traffic.. This prevents the Switch from broadcasting the traffic to all ports and possibly disrupting network performance..

IGMP Snooping Status  When enabled, the Switch will monitor network traffic to determine which hosts want to receive multicast traffic.. This is also referred to as IGMP Snooping.. (Default: Enabled)..

Query Count  Sets the maximum number of queries issued for which there has been no response before the Switch takes action to drop a client from the multicast group.. (Range: 2-10; Default: 2)

IGMP Query Interval  Sets the frequency at which the Switch sends IGMP host-query messages.. (Range: 60-125 seconds; Default: 125)

Maximum Response Time  Sets the time between receiving an IGMP Report for an IP multicast address on a port before the Switch sends an IGMP Query out of that port and removes the entry from its list.. (Range: 5-25 seconds; Default: 10)

MRouter Timeout  The time the Switch waits after the previous querier stops before it considers the router port (i..e.., the interface which had been receiving query packets) to have expired.. (Range: 300-500 seconds; Default: 300)

IGMP Version  Sets the protocol version for compatibility with other devices on the network.. (Range: 1-2; Default: 2)

Click Save Settings to save the changes..

Multicast > Static Member Ports

Multicast > Static Member Ports

Multicast filtering can be dynamically configured using IGMP Snooping and IGMP Query messages.. For certain applications that require tighter control, you may need to statically configure a multicast service on the Switch.. First add all the ports attached to participating hosts to a common VLAN, and then assign the multicast service to that VLAN group..

Specify the interface attached to a multicast service (via an IGMP-enabled switch or multicast router), indicate the VLAN that will propagate the multicast service, specify the multicast IP address, and click Add..

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