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Chapter 48 IGMP Commands

IES-612-51 User’s Guide

306

Multicast VLAN allows one single multicast VLAN to be shared among different subscriber

VLANs on the network. This improves bandwidth utilization by reducing multicast traffic in

the subscriber VLANs and simplifies multicast group management.

48.7.1 Multicast VLAN Disable Command Example

The following example disables multicast VLAN 12.

Table 118 Multicast VLAN Command Summary

COMMAND DESCRIPTION P

switch igmpsnoop mvlan set <vid>

[<portlist>:<F<T|U>|X> ...] [name]

Creates a multicast VLAN and sets the allowed/

blocked port member(s). This command is similar to

the command to create a regular VLAN. See Section

46.3.4 on page 290 for examples and more

information.

portlist: You can specify a single port (“1”), all

ports (“*”), a list of ports (“1,3,enet1”), you can also

include a range of ports (“1,5,6~10,enet1,enet2”).

F<T|U>: Stands for a fixed registrar administration

control flag and registers a <portlist> to the static

VLAN table with <vid>. For a fixed port, you also

have to specify <T|U>, the tag control flag.

T: has the device add an IEEE 802.1Q tag to

frames going out through this port(s).

U: has the device send frames out through this

port(s) without an IEEE 802.1Q tag.

X: This is the registrar administration control flag. It

stands for forbidden and blocks a <portlist> from

joining the static VLAN table with <vid>.

name: A name to identify the SVLAN entry.

H/H

switch igmpsnoop mvlan delete <vlan-

list>

Removes the specified multicast VLAN

configuration(s).

vlan-list: You can specify a single VLAN: <1>, all

VLAN: <*>, a list of VLAN: <1,3>, you can also include

a range of VLAN: <1,5,6~10>.

H/H

switch igmpsnoop mvlan disable <vid> Deactivates the specified multicast VLAN. H/H

switch igmpsnoop mvlan enable <vid> Activates the specified multicast VLAN. H/H

switch igmpsnoop mvlan show <vlan-list> Displays the current multicast VLAN settings. H/H

switch igmpsnoop mvlan group set <vid>

<index> <start-mcast-ip> <end-mcast-

ip>

Creates a multicast VLAN group.

index: 1~16; a unique number for this setting.

start-mcast-ip: Start of the multicast IP address

range.

end-mcast-ip: End of the multicast IP address

range.

H/H

switch igmpsnoop mvlan group delete

Removes the specified multicast VLAN group setting.

index: 1~16; a unique number for this setting.

H/H

switch igmpsnoop mvlan group show

[<vid>]

Displays a multicast to VLAN translation entry. H/H

ras> switch igmpsnoop mvlan disable 12

1 2 ... 301 302 303 304 305 306 307 308 309 310 311 ... 413 414

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