Siemens S223 User Manual

UMN:CLI                                                                                                                                                              User  Manual 

SURPASS hiD 6615 S223/S323 R1.5 

288                                                                         A50010-Y3-C150-2-7619 

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. 

Configures the blocking of unknown multicast traffic. 

port PORTS    block 

Configures the blocking of unknown multicast traffic for 
a specific port. 

no ip unknown-multicast port 

Global 

Returns to the normal forwarding states. 

 

 

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. 

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.