PLANET WGSW-50040 - Manual (Page 290)

Commands for Security Function Chapter 6 Commands for TACACS+
Default:
VLAN is not as the IGMP Snooping layer 2 general querier.
Usage Guide:
It is recommended to configure a layer 2 general querier on a segment. IGMP Snooping function will
be enabled by this command if not enabled on this VLAN before configuring this command, IGMP
Snooping function will not be disabled when disabling the layer 2 general querier function. This
command is mainly for sending general queries regularly to help switches within this segment learn
mrouter ports.
Comment:
There are three paths IGMP snooping learn mrouter
1. Port receives the IGMP query messages
2. Port receives multicast protocol packets, and supports DVMRP, PIM
3. Static configured port
18.2.8 ip igmp snooping vlan l2-general-querier-source
Command:
ip igmp snooping vlan <vlanid> L2-general-query-source <A.B.C.D>
no ip igmp snooping vlan <vlanid> L2-general-query-source
Function:
Configure source address of query of igmp snooping
Parameter:
<vlanid>: the id of the VLAN, with limitation to <1-4094>.
<A.B.C.D> is the source address of the query operation.
Command Mode:
Global Mode
Default:
0.0.0.0
Usage Guide:
It is not supported on Windows 2000/XP to query with the source address as 0.0.0.0. So the layer 2
query source address configuration does not function. The client will stop sending requesting
datagrams after one is sent. And after a while, it can not receive multicast datagrams.
Example
Switch(config)#ip igmp snooping vlan 2 L2-general-query-source 192.168.1.2