Command Manual – Multicast Protocol
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 5 IGMP Configuration Commands
Huawei Technologies Proprietary
5-12
Caution:
z The multicast route feature and the IGMP protocol must be enabled on the proxy
interface.
z You must enable the PIM protocol on the interface first before enabling the igmp
proxy command on the interface.
z One interface cannot serve as the IGMP proxy interface of two or more interfaces.
Example
# Configure VLAN-interface 2 as the IGMP proxy interface of VLAN-interface 1 on the
Layer 3 switch.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] multicast routing-enable
[Quidway] interface vlan-interface 1
[Quidway-Vlan-interface1] igmp enable
[Quidway- Vlan-interface1] igmp proxy vlan-interface 2
5.1.12 igmp robust-count
Syntax
igmp robust-count robust-value
undo igmp robust-count
View
VLAN interface view
Parameter
robust-value: IGMP robust value, number of sending the IGMP group-specific query
packets after the IGMP querier receives the IGMP Leave packet from the host. It is in
the range of 2 times to 5 times.
Description
Use the igmp robust-count command to set the number of sending the IGMP group
query message after the IGMP query router receives the IGMP Leave message from
the host.
Use the undo igmp robust-count command to restore the default value.
By default, an IGMP querier sends IGMP group-specific query packets twice.