3com 3CBLSF26H Manual De Usuario

 

3-35 

This section contains information for configuring IGMP Snooping. 

When IGMP Snooping is enabled, all IGMP packets are forwarded to the CPU. The CPU analyzes the 

incoming packets and determines: 

z 

Which ports want to join which Multicast groups. 

z 

Which ports have Multicast routers generating IGMP queries. 

z 

Which routing protocols are forwarding packets and Multicast traffic. 

Ports requesting to join a specific Multicast group issue an IGMP report, specifying that Multicast group 

is accepting members. This results in the creation of the Multicast filtering database. 

This section contains the following topic: 

z 

The IGMP Snooping Setup Page allows network managers to define IGMP Snooping parameters for 

VLANs. 

Click Device > IGMP Snooping > Setup. The IGMP Snooping Setup Page opens. 

Figure 3-37 IGMP Snooping Setup Page 

 

 

The IGMP Snooping Setup Page contains the following fields: 

Table 3-28 IGMP Snooping Setup Page item description 

IGMP Snooping  
Status 

Defines whether IGMP Snooping is enabled on the switch. The possible field 
values are: 

z 

Enabled: Indicates that IGMP Snooping is enabled on the switch. 

z 

Disabled: Indicates that IGMP Snooping is disabled on the switch. This is 
the default value. 

IGMP Query Status 

Defines whether IGMP Query is enabled on the switch. The possible field 
values are: 

z 

Enabled: Indicates that IGMP Query is enabled on the switch. 

z 

Disabled: Indicates that IGMP Query is disabled on the switch. This is the 
default value.