3com 8807 Reference Guide
32
M
ULTICAST
VLAN C
ONFIGURATION
C
OMMANDS
Multicast VLAN
Configuration
Commands
Configuration
Commands
service-type multicast
Syntax
service-type multicast
undo service-type multicast
View
VLAN view
Parameter
None
Description
Use the service-type multicast command to configure the current VLAN as
multicast VLAN.
multicast VLAN.
Use the undo service-type multicast command to remove the configuration.
By default, all VLANs are not multicast VLANs.
If you configure multicast VLAN, add the corresponding switch ports to the
multicast VLAN and enable IGMP Snooping, users in different VLANs can share
one multicast VLAN, and multicast flow can be transmitted in the multicast VLAN
only, thus saving bandwidth. The completely isolated multicast VLAN and user
VLAN can effectively ensure security.
multicast VLAN and enable IGMP Snooping, users in different VLANs can share
one multicast VLAN, and multicast flow can be transmitted in the multicast VLAN
only, thus saving bandwidth. The completely isolated multicast VLAN and user
VLAN can effectively ensure security.
n
■
A port can belong to only one multicast VLAN.
■
The type of port connected with user terminals must be hybrid untagged.
■
The current system supports up to three multicast VLANs.
Example
# Configure VLAN 2 as multicast VLAN.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] vlan 2
[3Com-vlan2] service-type multicast