3com 5500G ユーザーズマニュアル
142
C
HAPTER
16: M
ULTICAST
C
ONFIGURATION
G
UIDE
vlan 100
igmp-snooping enable
igmp-snooping querier
#
interface Ethernet1/0/1
port access vlan 100
#
interface Ethernet1/0/2
port access vlan 100
#
Configuration on Switch B
#
unknown-multicast drop enable
#
igmp-snooping enable
#
vlan 100
igmp-snooping enable
#
interface Ethernet1/0/1
port access vlan 100
#
interface Ethernet1/0/2
port access vlan 100
#
interface Ethernet1/0/3
port access vlan 100
#
Configuration on Switch C
#
igmp-snooping enable
#
vlan 100
igmp-snooping enable
#
interface Ethernet1/0/1
port access vlan 100
#
interface Ethernet1/0/2
port access vlan 100
#
interface Ethernet1/0/3
port access vlan 100
#
Configuring Multicast
VLAN
VLAN
In the traditional multicast-on-demand mode, when users in different VLANs on a
Layer 2 device need multicast information, the multicast router needs to forward a
separate copy of the multicast data to each of these VLANs. This mode wastes a
great deal of bandwidth.
Layer 2 device need multicast information, the multicast router needs to forward a
separate copy of the multicast data to each of these VLANs. This mode wastes a
great deal of bandwidth.
With the multicast VLAN feature, you can configure a VLAN as the multicast
VLAN, which can be used to transmit multicast traffic to users in different VLANs.
VLAN, which can be used to transmit multicast traffic to users in different VLANs.