Operation Manual – Multicast Protocol
H3C S3610&S5510 Series Ethernet Switches
Chapter 2 IGMP Snooping Configuration
2-19
Layer 3 device directly connected with it will receive duplicate IGMP reports from these
members.
With the IGMP report suppression function enabled, within each query cycle, the Layer
2 device forwards only the first IGMP report per multicast group to the Layer 3 device
and will not forward the subsequent IGMP reports from the same multicast group to the
Layer 3 device. This helps reduce the number of packets being transmitted over the
network.
Follow these steps to configure IGMP report suppression:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enter IGMP Snooping
view
igmp-snooping
—
Enable IGMP report
suppression
report-aggregation
Optional
Enabled by default
2.6.5 Configuring Maximum Multicast Groups that Can Be Joined on a Port
By configuring the maximum number of multicast groups that can be joined on a port,
you can limit the number of multicast programs on-demand available to users, thus to
regulate traffic on the port.
Follow these steps to configure the maximum number of multicast groups that can be
joined on a port or ports:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enter Ethernet
port view
interface interface-type
interface-number
Enter the
corresponding
view
Enter port
group view
port-group
{
manual
port-group-name
|
aggregation agg-id
}
Required
Use either command
Configure the maximum number
of multicast groups that can be
joined on the port(s)
igmp-snooping
group-limit
limit
[
vlan
vlan-list
]
Optional
1000 by default.
