Configuring Multicast Forwarding
IGMP/MLD IP Multicast Group
Cisco Small Business 300 Series Managed Switch Administration Guide 160
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• Query Max Response Interval—Enter Query Max Response delay to be
used if the switch cannot read the Max Response Time value from General
Queries sent by the elected querier.
• Operational Query Max Response Interval—Displays the delay used to
calculate the Maximum Response Code inserted into the General Queries.
• Last Member Query Counter—Enter the Last Member Query Count to be
used if the switch cannot derive the value from the messages sent by the
elected querier.
• Operational Last Member Query Counter—Displays the operational value
of the Last Member Query Counter.
• Last Member Query Interval—Enter the Maximum Response Delay to be
used if the switch cannot read Max Response Time value from Group-
Specific queries sent by the elected querier.
• Operational Last Member Query Interval—The Last Member Query
Interval sent by the elected querier.
• Immediate Leave—When enabled, reduces the time it takes to block
unnecessary MLD traffic sent to a switch port.
STEP 5 Click Apply. The switch is updated.
IGMP/MLD IP Multicast Group
The IGMP/MLD IP Multicast Group Page displays the IPv4 and IPv6 group address
the switch learned from the IGMP/MLD messages it snoops.
There might be a difference between information on this page and, for example,
information displayed in the
MAC Group Address Page.
Assuming that the system
is in MAC-based groups and a port that requested to join the following Multicast
groups 224.1.1.1 and 225.1.1.1, both are mapped to the same MAC Multicast
address 01:00:5e:01:01:01. In this case, there is a single entry in the MAC Multicast
page, but two entries on this page.
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