DGS-3610 Series Configuration Guide Chapter 35 IP Multicast Routing Configuration
when exceeding the limit configured for the interface or globally. Run the following
commands in the interface mode:
DGS-3610(config) # ip igmp limt number
Configure the IGMP Status quantity limit globally.
Range: 1-65536
DGS-3610(config-if) # ip igmp limit
number
Configure the IGMP status quantity limit on the
interface.
The range is 1-65536, 1024 by default.
35.6.8.1 Configuring the Member Information of
Filtering Group
Namely, configure the access control of the multicast group. By default, the interface on one
interface can join any multicast group. When the administrator wants to control the range of
the multicast groups that a host can join, he can enable this feature. By configuring a
standard IP access list, you can set the range of the allowed/prohibited range of multicast
group addresses, and apply them to a particular interface.
In the interface mode, execute the following commands for the configuration:
DGS-3610# config terminal
Enter the global configuration mode.
DGS-3610(config) # access-list
access-list-name permit A.B.C.D 0.0.0.0
Define an access control list.
DGS-3610(config)# interface interface-id
Enter the interface configuration mode.
DGS-3610(config-if) # ip igmp
access-group access-list-name
Configure the access control list of the group
address as the multicast group within the address
range for access-list-name can enter into this
interface.
DGS-3610(config-if) # no ip igmp
access-group
Delete the access control list, and allow all groups
to enter.
You can execute the no ip igmp access-group command to restore the access control to its
default, that is, not restricting any group.
The following command shows how to restrict the hosts at the Gigabitethernet 0/1 interface
so that they can only join the group of 225.2.2.2:
access-list 1 permit 225.2.2.2 0.0.0.0
interface ethernet 0
ip igmp access-group 1
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