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xStack
®
DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch
260
.
Router Timeout (1-
16711450 sec)
This is the maximum amount of time in seconds a router is kept in the forwarding table
without receiving a membership report. The default is
260
.
Leave Timer (1-
16711450 sec)
This specifies the maximum amount of time in seconds between the Switch receiving a
leave group message from a host, and the Switch issuing a group membership query. If no
response to the membership query is received before the Leave Timer
expires, the
(multicast) forwarding entry for that host is deleted. The default setting is
2
seconds.
Querier State
Choose
Enabled
to enable transmitting IGMP Query packets or
Disabled
to disable. The
default is
Disabled
.
Querier Router
Behavior
This read-only field describes the behavior of the router for sending query packets.
Querier
will denote that the router is sending out IGMP query packets.
Non-Querier
will denote that
the router is not sending out IGMP query packets. This field will only read
Querier
when the
Querier State and the State fields have been Enabled.
State
Select
Enabled
to implement IGMP Snooping. This field is
Disabled
by default.
Fast Leave
This parameter allows the user to enable the
Fast Leave
function. Enabled, this function will
allow members of a multicast group to leave the group immediately (without the
implementation of the Last Member Query Timer) when an IGMP Leave Report Packet is
received by the Switch. The default is
Disabled
.
Report Suppression
This parameter allows the user to enable the Report Suppression function. When IGMP
report suppression is
Enabled
, the Switch sends the first IGMP report from all hosts for a
group to all the multicast routers. The Switch does not send the remaining IGMP reports for
the group to the multicast routers. If the multicast router query includes requests only for
IGMPv1 and IGMPv2 reports, the Switch forwards only the first IGMPv1 or IGMPv2 report
from all hosts for a group to all the multicast routers. If the multicast router query also
includes requests for IGMPv3 reports, the Switch forwards all IGMPv3 reports for a group to
the multicast devices. The default is
Disabled
.
Click
Apply
to implement the new settings. Click the
Show All IGMP Group Entries
link to return to the
IGMP Snooping
Settings
window.
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