Chapter 16
| Multicast Filtering
Layer 2 IGMP (Snooping and Query)
– 485 –
◆ Group Address – IP multicast group address with subscribers directly attached
or downstream from the switch, or a static multicast group assigned to this
interface.
◆ 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.
◆ Up Time – Time that this multicast group has been known.
◆ Expire – Time until this entry expires.
◆ Count – The number of times this address has been learned by IGMP snooping.
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 319: Showing Multicast Groups Learned by IGMP Snooping
Displaying IGMP
Snooping Statistics
Use the Multicast > IGMP Snooping > Statistics pages to display IGMP snooping
protocol-related statistics for the specified interface.
Parameters
These parameters are displayed:
◆ VLAN – VLAN identifier. (Range: 1-4094)
◆ Port – Port identifier. (Range: 1-12/28)