Siemens S323, S223 3 L2 Mfib, Igmp Snooping Basic Configuration, Enabling Igmp Snooping per Vlan

UMN:CLI	User Manual
	SURPASS hiD 6615 S223/S323 R1.5

9.2.3L2 MFIB

Occasionally, unknown multicast traffic is flooded because a MAC address has timed out or has not been learned by the switch. To guarantee that no multicast traffic is flooded to the port, use the following command.

Command	Mode	Description
ip unknown-multicast block		Configures the blocking of unknown multicast traffic.
ip unknown-multicast		Configures the blocking of unknown multicast traffic for
port PORTS block	Global	a specific port.
no ip unknown-multicast block
		Returns to the normal forwarding states.
no ip unknown-multicast port
PORTS block

9.2.4IGMP Snooping Basic Configuration

9.2.4.1Enabling IGMP Snooping per VLAN

The hiD 6615 S223/S323 supports 256 Snooping Membership Group Table that are managed by each VLAN. Snooping supports Enable/Disable by VLAN independently. By default, IGMP snooping is globally disabled on the switch.

To enable/disable global IGMP, use the following steps.

Step 1

Open Global Configuration mode using the configure terminal command.

Step 2

Execute the ip multicast-routing command.

Step 3

Enable IGMP snooping in all existing VLAN interfaces.

Command	Mode	Description
ip igmp snooping	Global	Enables IGMP snooping globally.

Step 4

Return to Privileged EXEC Enable mode using exit command. To globally disable IGMP snooping on all VLAN interfaces, use the no ip igmp snooping command. In Global Configuration mode, follow these steps to enable IGMP snooping on a VLAN interface.

Step 1

Open Global Configuration mode using the configure terminal command.

Step 2

Execute the ip multicast-routing command.

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