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DES-7200 Configuration Guide Chapter 8 IGMP Snooping
Configuration
8-9
device will then forward them to the registered ports. Multicast traffic with other
source IP addresses will be considered invalid and discarded.
8.2 Configuring IGMP Snooping
We will describe how to configure IGMP snooping in the following sections
Function Configuration Description
Enable IGMP Snooping Required
Set the aging timer for the dynamic port Optional
Configure
Basic IGMP
Snooping
Function
Set the maximum respond time of the IGMP
Query Packet
Optional
Set the router port. Optional
Set the member port. Optional
Set the port fast-leave Optional
Configure
IGMP
Snooping Port
Funtion
Set the IGMP membership report packet
suppression.
Optional
Set the IP multicst group filtering Optional
Set the source port check. Optional
Configure the
IP Multicast
Group Policy
on the Port
Set the source IP check. Optional
8.2.1 Enabling IGMP Snooping
By default, when enabling IGMP Snooping, the IGMP Snooping working
mode(IVGL、SVGL and IVGL-SVGL) must be specified.
Caution
The Layer2 multicast device does not support IGMP Snooping if the device
works in the private VLAN mode.
8.2.2 Configuring IVGL Mode
In the global configuration mode, run the following commands to configure the
IGMP Snooping IVGL mode:
Command Function
DES-7200(config)# ip igmp snooping
ivgl
Enable the IGMP Snooping IVGL mode. By
default, the IGMP Snooping is disabled.
DES-7200 (config)#show ip igmp
snooping
Verify the configuration.
DES-7200(config)# no ip igmp
snooping
Disable the IGMP Snooping function.
This example sets the IGMP Snooping IVGL mode:
DES-7200# configure terminal
DES-7200(config)# ip igmp snooping ivgl
DES-7200(config)# show ip igmp snooping
IGMP Snooping running mode: IVGL
SVGL vlan: 1
SVGL profile number: 0