Cisco Small Business 200, Руководство администратора

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Multicast
Configuring IGMP Snooping
215 Cisco Small Business 200 Series Smart Switch Administration Guide
15
To enable IGMP Snooping and identify the device as an IGMP Snooping Querier
on a VLAN:
STEP 1
Click Multicast > IGMP Snooping .
STEP 2
Enable or disable the IGMP Snooping status.
When IGMP Snooping is enabled globally, the device monitoring network traffic
can determine which hosts have requested to receive Multicast traffic.
The device only performs IGMP Snooping if both IGMP snooping and Bridge
Multicast filtering are enabled.
STEP 3
Select a VLAN, and click Edit .
STEP 4
Enter the parameters.
• VLAN ID —Select the VLAN ID on which IGMP snooping is defined.
• IGMP Snooping Status —Enable or disable the monitoring of network traffic
for the selected VLAN.
• Operational IGMP Snooping Status —Displays the current status of the
IGMP Snooping for the selected VLAN.
• MRouter Ports Auto Learn —Enable or disable auto learning of the ports to
which the Mrouter is connected.
• Query Robustness—Enter the Robustness Variable value to be used if this
device is the elected querier.
• 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 device 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.