◆
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 – The interface on the switch that has received traffic directed to the
multicast group address.
◆
Up Time – The time elapsed since this entry was created. (Depending on the
elapsed time, information may displayed for w:weeks, d:days, h:hours,
m:minutes, or s:seconds.)
◆
Group Mode – In INCLUDE mode, reception of packets sent to the specified
multicast address is requested only from those IP source addresses listed in the
source-list parameter. In EXCLUDE mode, reception of packets sent to the given
multicast address is requested from all IP source addresses, except for those
listed in the source-list parameter and for any other sources where the source
timer status has expired.
◆
Group Source List – A list of zero or more IP unicast addresses from which
multicast reception is desired or not desired, depending on the filter mode.
Source Address – The address of one of the multicast servers transmitting
■
traffic to the specified group.
Up Time – The time elapsed since this entry was created. (Depending on
■
the elapsed time, information may displayed for w:weeks, d:days, h:hours,
m:minutes, or s:seconds.)
V3 Expire – The time remaining before this entry will be aged out. The V3
■
label indicates that the expire time is only provided for sources learned
through IGMP Version 3. (The default is 260 seconds.)
Forward – Indicates whether or not traffic will be forwarded from the
■
multicast source.
Web Interface
To display the current multicast groups learned through IGMP:
1.
Click Multicast, IGMP, Group Information.
2.
Select Show Information from the Action list.
3.
Select a VLAN. The selected entry must be a configured IP interface.
Layer 3 IGMP (Query used with Multicast Routing)
– 583 –
Chapter 14
| Multicast Filtering