LevelOne GTL-2691 - Manual (Page 555)

C HAPTER 15 | Multicast Filtering
Layer 3 IGMP (Query used with Multicast Routing)
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◆ V1 Timer – The time remaining until the switch assumes that there are
no longer any IGMP Version 1 members on the IP subnet attached to
this interface.
■
If the switch receives an IGMP Version 1 Membership Report, it sets
a timer to note that there are Version 1 hosts present which are
members of the group for which it heard the report.
■
If there are Version 1 hosts present for a particular group, the
switch will ignore any Leave Group messages that it receives for
that group.
Show Detail
The following additional information is displayed on this page:
◆ VLAN – VLAN identifier. The selected entry must be a configured IP
interface. (Range: 1-4093)
◆ 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.
◆ Last Reporter – The IP address of the source of the last membership
report received for this multicast group address on this interface.
◆ 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.)