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DGS-3024 Gigabit Ethernet Switch Manual
Figure 7- 10. IGMP Snooping Settings window
The following parameters may be viewed or modified:
Parameter Description
VLAN ID
This is the VLAN ID that, along with the VLAN Name, identifies the VLAN the user
wishes to modify the IGMP Snooping Settings for.
VLAN Name
This is the VLAN Name that, along with the VLAN ID, identifies the VLAN the user
wishes to modify the IGMP Snooping Settings for.
Query Interval
Allows the entry of a value between 1 and 65535 seconds, with a default of 125
seconds. This specifies the length of time between sending IGMP queries.
Max Response Time
Sets the maximum amount of time allowed before sending an IGMP response report.
A value between 1 and 25 seconds can be entered, with a default of 10 seconds.
Robustness Value
A tuning variable to allow for subnetworks that are expected to lose a large number of
packets. A value between 2 and 255 can be entered, with larger values being specified
for subnetworks that are expected to lose larger numbers of packets. The default is 2
seconds.
Last Member Query
Interval
Specifies the maximum amount of time between group-specific query messages,
including those sent in response to leave group messages. A value between 1 and 25.
The default is 1 second.
Host Timeout
This is the maximum amount of time in seconds allowed for a host to continue
membership in a multicast group without the Switch receiving a host membership
report. The default is 260.
Route Timeout
This is the maximum amount of time in seconds a route is kept in the forwarding table
without receiving a membership report The default is
260
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