Command Manual – Multicast
H3C S3600 Series Ethernet Switches-Release 1510
multicast switch sends. If no IP address is configured on the current VLAN interface,
the default IP address 0.0.0.0. is used as the default source IP address.
Use the igmp-snooping general-query source-ip ip-address command to configure
the Layer 2 multicast switch to use the specified IP address as the source IP address
when sending general query packets.
Use the undo igmp-snooping general-query source-ip command to configure the
Layer 2 multicast switch to use the default IP address as the source address when
sending general query packets.
These commands are effective after the IGMP Snooping querier is enabled on the
switch; otherwise, the switch cannot send general query packets.
By default, the Layer 2 multicast switch sends general query packets with the source IP
address 0.0.0.0.
Example
# Configure the Layer 2 multicast switch to send general query packets with the source
IP address 2.2.2.2 in VLAN 3.
<H3C> system-view
System view, return to user view with Ctrl+Z.
[H3C] igmp-snooping enable
[H3C] vlan 3
[H3C-vlan3] igmp-snooping enable
[H3C-vlan3] igmp-snooping querier
[H3C-vlan3] igmp-snooping general-query source-ip 2.2.2.2
1.1.7 igmp-snooping group-limit
Syntax
igmp-snooping group-limit limit [ vlan vlan-list ] [ overflow-replace ]
undo igmp-snooping group-limit [ vlan vlan-list ]
View
Ethernet port view
Parameter
limit: Maximum number of multicast groups the port can join, in the range of 1 to 256.
overflow-replace: Allows a new multicast group to replace an existing multicast group
and the multicast group with the lowest IP address is replaced first.
vlan-list: List of VLANs. You can specify multiple VLANs by providing this argument in
the form of vlan-list = { vlan-id [ to vlan-id ] }&<1-10>, where &<1-10> means that you
Chapter 1 IGMP Snooping Configuration
1-7
Commands
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