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DES-3200-10/18/28/28F Layer 2 Ethernet Managed Switch User Manual
Figure 3 - 26. IGMP Snooping Settings (Edit) window
The following fields can be set.
Parameter Description
VLAN ID
This is the VLAN ID that, along with the VLAN Name, identifies the VLAN for which the user
wishes to modify the IGMP Snooping Settings.
VLAN Name
This is the VLAN Name that, along with the VLAN ID, identifies the VLAN for which the user
wishes to modify the IGMP Snooping Settings.
Querier Expiry
Time
Displays the querier expiry time.
Querier IP
The IP address of the device which acts as the IGMP querier for the network.
Max Response
Time (1-25)
This determines the maximum amount of time in seconds to wait for reports from members.
The Max Response Time field allows an entry between 1 and 25 (seconds). The default is 10.
Query Interval
(1-65535)
The Query Interval field is used to set the time (in seconds) between transmitting IGMP
queries. Entries between 1 and 65535 seconds are allowed. The default is 125.
Last Listener
Query Interval
(1-25)
This field specifies the maximum amount of time between group-specific query messages,
including those sent in response to leave group messages. The default is 1.
Robustness Value
(1-255)
Adjust this variable according to expected packet loss. If packet loss on the VLAN is expected
to be high, the Robustness Variable should be increased to accommodate increased packet
loss. This entry field allows an entry of 1 to 255. The default is 2.
Querier State
Choose Enabled to enable transmitting IGMP query packets or Disabled to disable the
transmitting of IGMP query packets. The default is Disabled.
Fast Done
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.
State
Select Enabled to implement IGMP Snooping. This field is Disabled by default.
Data Driven
Learning Aged Out
Allows users to enable or disable aged out of IGMP Snooping data driven learning for the
specified VLAN.
Version
Allows the user to configure the IGMP version used on the Switch. The default value is 3.
Querier Role
This read-only field describes the behavior of the Switch for sending query packets. Querier will
denote that the Switch is sending out IGMP query packets. Non-Querier will denote that the
Switch is not sending out IGMP query packets. This field will only read Querier when the
Querier State and the State fields have been Enabled.
To modify the IGMP Snooping Router Port Settings, click on the Modify Router Port hyperlink, which will show the
following window for the user to configure:
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