User manual

C HAPTER 17 | Multicast Filtering
Layer 2 IGMP (Snooping and Query)
– 289 –
ES-2000 Series
DISPLAYING
MULTICAST GROUPS
DISCOVERED BY IGMP
S
NOOPING
Use the Multicast > IGMP Snooping > Forwarding Entry page to display the
forwarding entries learned through IGMP Snooping.
COMMAND USAGE
To display information about multicast groups, IGMP Snooping must first
be enabled on the switch (see page 277).
PARAMETERS
These parameters are displayed:
◆ VLAN – An interface on the switch that is forwarding traffic to
downstream ports for the specified multicast group address.
◆ Group Address – IP multicast group address with subscribers directly
attached or downstream from the switch, or a static multicast group
assigned to this interface.
◆ Source Address – The address of one of the multicast servers
transmitting traffic to the specified group.
◆ Interface – A downstream port or trunk that is receiving traffic for the
specified multicast group. This field may include both dynamically and
statically configured multicast router ports.
WEB INTERFACE
To show multicast groups learned through IGMP snooping:
1. Click Multicast, IGMP Snooping, Forwarding Entry.
2. Select the VLAN for which to display this information.
Figure 182: Showing Multicast Groups Learned by IGMP Snooping