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LB9 User’s Guide 1458/1523
Startup Query Interval (sec) - The interval at which startup queries are sent on the selected
interface.
Startup Query Count - The number of queries to be sent on startup.
Last Member Query Interval (1/10 of a sec) - The last member query interval. The last member
query interval is the maximum response time inserted into group-specific queries sent in response to
leave group messages, and is also the amount of time between group-specific query messages. This
value may be tuned to modify the leave latency of the network. A reduced value results in reduced
time to detect the loss of the last member of a group. This value is not used for IGMP version 1.
Last Member Query Count - The number of queries to be sent on receiving a leave group report.
Interface Statistics
Querier - The address of the IGMP querier on the IP subnet to which the selected interface is
attached.
Querier Status - Indicates whether the selected interface is in querier or non querier mode.
Querier Up Time (hh:mm:ss) - The time in seconds since the IGMP interface querier was last
changed.
Querier Expiry Time (hh:mm:ss) - The time in seconds remaining before the other querier present
timer expires. If the local system is the querier, this will be zero.
Wrong Version Queries Received - The number of queries that have been received on the
selected interface with an IGMP version that does not match the IGMP version configured for the
interface, over the lifetime of the entry. IGMP requires that all routers on a LAN be configured to run
the same version of IGMP. Therefore, a configuration error is indicated if any queries are received
with the wrong version number.
Number of Joins Received - The number of times a group membership has been added on the
selected interface; that is, the number of times an entry for this interface has been added to the
cache table. This gives an indication of the amount of IGMP activity on the interface.
Number of Groups - The current number of entries for the selected interface in the cache table.
Command Buttons
Refresh - Refresh the data on the screen with the present state of the data in the switch.
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