xStack® DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Web UI Reference Guide
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Querier IP
Displays the querier IP address
Querier Expiry Time
Displays the querier expiry time.
Query Interval (1-65535)
Specify the amount of time in seconds between general query transmissions. The
default setting is 125 seconds..
Max Response Time (1-
25)
Specify the maximum time in seconds to wait for reports from members. The default
setting is 10 seconds.
Robustness Value (1-7)
Provides fine-tuning to allow for expected packet loss on a subnet. The value of the
robustness value is used in calculating the following IGMP message intervals: By
default, the robustness variable is set to 2.
Last Member Query
Interval (1-25)
Specify the maximum amount of time between group-specific query messages,
including those sent in response to leave-group messages. You might lower this
interval to reduce the amount of time it takes a router to detect the loss of the last
member of a group.
Data Drive Group Expiry
Time (1-65535)
Specify the data driven group lifetime in seconds.
Querier State
Specify to enable or disable the querier state.
Fast Leave
Enable or disable the IGMP snooping fast leave function. If enabled, the membership
is immediately removed when the system receive the IGMP leave message.
State
If the state is enabled, it allows the Switch to be selected as a IGMP Querier (sends
IGMP query packets). If the state is disabled, the Switch cannot play the role as a
querier.
NOTE: If the Layer 3 router connected to the Switch provides only the IGMP proxy
function but does not provide the multicast routing function, then this state must be
configured as Disabled. Otherwise, if the Layer 3 router is not selected as the querier,
it will not send the IGMP query packet. Since it will not also send the multicast-routing
protocol packet, the port will be timed out as a router port.
Report Suppression
When enabled, multiple IGMP reports or leave for a specific (S, G) will be integrated
into one report only before sending to the router port.
Data Driven Learning
State
Specify to enable or disable the data driven learning state.
Data Drive Learning
Aged Out
Specify to enable or disable the data drive learning aged out option.
Version
Specify the version of IGMP packet that will be sent by this VLAN.
Querier Role
Displays the querier role.
Click the Apply button to accept the changes made.
Click the <<Back button to discard the changes made and return to the previous page.
After clicking the Modify Router Port link, the following page will appear:
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