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3.11 IGMP (Internet Group Management Protocol) Management
IGMP is the Internet control protocol used by IP hosts to report their multicast group memberships to any
neighboring multicast router. Enable IGMP to achieve automatic multicast filtering for efficient bandwidth
utilization.
3.12 Statistics
The statistics page allows the administrator to chart different system data. There are three options on this
page:
• Comparison Chart
• Group Chart
• History Graph
All charts have a maximum ceiling of 2 31 –1. Click on any line or bar on the charts to see its value.
3.12.1 Comparison Chart
This chart allows you to look at all of the ports and graph information on one type of statistic. There are three
parameters to set: Statistic, Refresh Rate and Color.
• Statistics: The type of system data to be monitored
• Refresh Rate: The time interval between automatic refreshes
• Color: The color setting for the chart
When all of the variables are set, click Draw.