3Com 5500G-EI Command Reference Guide - Page 254

Description, Example, igmp group-policy vlan, Syntax, Parameter

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254 CHAPTER 7: USING MULTICAST PROTOCOL COMMANDS Description Use the igmp group-policy command to set the filter of multicast groups on an interface to control the accessing to the IP multicast groups. Use the undo igmp group-policy command to remove the filter configured. By default, no filter is configured, that is, a host can join any multicast group. If you do not want the hosts on the network that the interface is on to join some multicast groups and receive the packets from the multicast groups, you can use this command to limit the range of the multicast groups serviced by the interface. Related command: igmp host-join. Example Configure the access-list 5. system-view System View: return to User View with Ctrl+Z [SW5500]acl number 2000 [SW5500-acl-basic-2000]rule permit source 225.0.0.0 0.255.255.255 Configure so that only the hosts contained in the access-list 2000 connected to the VLAN-interface10 can be added to the multicast group, which is configured to use IGMP version 2. [SW5500-vlan-interface10]igmp group-policy 2000 2 igmp group-policy vlan Syntax igmp group-policy acl-number vlan vlan_id undo igmp group-policy vlan vlan_id View Ethernet port view Parameter acl-number: Number of the basic IP access control list number, defining a multicast group range. The value ranges from 2000 to 2999. vlan_id: Specify the ID for the VLAN to which the port belongs. Description Using igmp group-policy vlan command, you can set the filter of multicast groups on an port to control the accessing to the IP multicast groups. Using undo igmp group-policy vlan command, you can remove the configured filter. By default, no filter is configured, so a host can join any multicast group. This command has the same function as the igmp group-policy command. Note that the configured port must belong to the specified VLAN, and the IGMP protocol must be enabled on this port; otherwise, the configuration does not function. For the related command, see igmp host-join, igmp host-join vlan, igmp host-join port.

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254
C
HAPTER
7: U
SING
M
ULTICAST
P
ROTOCOL
C
OMMANDS
Description
Use the
igmp group-policy
command to set the filter of multicast groups on an
interface to control the accessing to the IP multicast groups. Use the
undo igmp
group-policy
command to remove the filter configured.
By default, no filter is configured, that is, a host can join any multicast group.
If you do not want the hosts on the network that the interface is on to join some
multicast groups and receive the packets from the multicast groups, you can use
this command to limit the range of the multicast groups serviced by the interface.
Related command:
igmp host-join
.
Example
Configure the access-list 5.
<SW5500>
system-view
System View: return to User View with Ctrl+Z
[SW5500]
acl number 2000
[SW5500-acl-basic-2000]
rule permit source 225.0.0.0 0.255.255.255
Configure so that only the hosts contained in the access-list 2000 connected to
the VLAN-interface10 can be added to the multicast group, which is configured to
use IGMP version 2.
[SW5500-vlan-interface10]
igmp group-policy 2000 2
igmp group-policy vlan
Syntax
igmp group-policy
acl-number
vlan
vlan_id
undo igmp group-policy vlan
vlan_id
View
Ethernet port view
Parameter
acl-number
: Number of the basic IP access control list number, defining a
multicast group range. The value ranges from 2000 to 2999.
vlan_id
: Specify the ID for the VLAN to which the port belongs.
Description
Using
igmp group-policy vlan
command, you can set the filter of multicast
groups on an port to control the accessing to the IP multicast groups. Using
undo
igmp group-policy vlan
command, you can remove the configured filter.
By default, no filter is configured, so a host can join any multicast group.
This command has the same function as the
igmp group-policy
command. Note
that the configured port must belong to the specified VLAN, and the IGMP
protocol must be enabled on this port; otherwise, the configuration does not
function.
For the related command, see
igmp host-join
,
igmp host-join vlan
,
igmp
host-join port
.