Cisco SG 300-52 - Configuring IP Information; Management and IP Interfaces

Configuring Multicast Forwarding
IGMP Snooping
Cisco Small Business 300 Series Managed Switch Administration Guide 157
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• Operational Query Robustness—Displays the robustness variable sent by
the elected querier.
• Query Interval—Enter the interval between the General Queries to be used
if this switch is the elected querier.
• Operational Query Interval—The time interval in seconds between General
Queries sent by the elected querier.
• Query Max Response Interval—Enter the delay used to calculate the
Maximum Response Code inserted into the periodic General Queries.
• Operational Query Max Response Interval—Displays the Query Max
Response Interval included in the General Queries sent by the elected
querier.
• Last Member Query Counter—Enter the number of IGMP Group-Specific
Queries sent before the switch assumes there are no more members for the
group, if the switch is the elected querier.
• Operational Last Member Query Counter—Displays the operational value
of the Last Member Query Counter.
• Last Member Query Interval—Displays the Last Member Query Interval
sent by the elected querier.
• Operational Last Member Query Interval—Displays the Last Member
Query Interval sent by the elected querier.
• Immediate Leave—Enable Immediate Leave to decrease the time it takes to
block a multicast stream sent to a member port when an IGMP Group Leave
message is received on that port.
• IGMP Querier Status—Enable or disable the IGMP Querier.
• Administrative Querier Source IP Address—Select the source IP address
of the IGMP Querier. This can be the IP address of the VLAN or it can be the
management IP address.
• Operational Querier Source IP Address—Displays the source IP address
of the elected querier.