Monitoring Reception Of Igmp General Query Messages - Allied Telesis AT-8600 Release Note

Software Version 2.8.1
Software Version 2.8.1
C613-10477-00 REV B
Monitoring reception of IGMP general query
messages
You can configure the IGMP proxy agent to monitor the reception of IGMP
general query messages on an interface. If an IGMP general query message is
not received on the interface within a specified time interval, IGMP generates
an igmpGeneralQueryNotReceivedEvent SNMP trap ({ enterprises(1)
alliedTelesyn(207) mibObject(8) brouterMib(4) atRouter(4) traps(2)
igmpTraps(1) 1 }) containing the ifName object for the interface, and the
following log message:
Message
IGMP - No general query within time-interval
seconds on interface
5 / IMPORTANT
Severity
5 / IPG
Module
021 / MSGS
Log Type
002 / WARN
Log Subtype
Check for connectivity between the device and the multicast router
Recommended
acting as a Querier on the sub-network.
Action
Check the current status of the Querier.
If the interface which generated the log message is not a
downstream multicasting port, use the set ip igmp interface
command to set the querytimeout to zero.
To enable monitoring on an interface and set the time interval, use the
command:
set ip igmp interface=interface
querytimeout={none|0|1..65535}
To display information about IGMP and the IGMP proxy agent, use the
command:
show ip igmp
Command Changes
The following table summarises the new and modified commands:
Command
set ip igmp interface
show ip igmp
Change
New command
New General Query Reception Timeout field.
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