D-Link DES-3225G Product Manual - Page 118

IGMP Filtering, STP State, Priority, IP Multicast Filtering Age-out Timer

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24-port NWay Ethernet Switch User's Guide ♦ STP State The Spanning Tree Protocol state for a selected port can either be Enabled or Disabled. ♦ Cost The Path Cost is a read-only parameter. The 100Mbps segment has an assigned Path Cost of 19, and each 10Mbps segment has an assigned Path Cost of 100. ♦ Priority Port Priority is a read-write object that can be set from 0 to 255. This is the priority number of the port. The lower the port priority, the more chance the bridge has of becoming the root port. Zero is the highest priority. IGMP Filtering IGMP Settings Figure 7-15. IGMP Settings window Internet Group Management Protocol (IGMP) snooping allows the Switch to recognize IGMP queries and reports sent between network stations or devices and an IGMP host. When enabled for IGMP snooping, the Switch can open or close a port to a specific device based on IGMP messages passing through the switch. To configure the IGMP, enter a value between 30 and 9999 seconds in the IP Multicast Filtering Age-out Timer field and then change the IP Multicast Filtering (IGMP Snooping) setting from Disable to Enable. Click the Apply button to let the changes take effect. Items in the above window are described as follows: Web-Based Network Management 113

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24-port NWay Ethernet Switch User’s Guide
Web-Based Network Management
113
♦
STP State
The Spanning Tree Protocol state for a selected port can either be
Enabled
or
Disabled
.
♦
Cost
The Path Cost is a read-only parameter. The 100Mbps segment has an assigned Path Cost of 19, and each
10Mbps segment has an assigned Path Cost of 100.
♦
Priority
Port Priority is a read-write object that can be set from 0 to 255. This is the priority number of the
port. The lower the port priority, the more chance the bridge has of becoming the root port. Zero is the highest
priority.
IGMP Filtering
IGMP Settings
Figure 7-15.
IGMP Settings window
Internet Group Management Protocol (IGMP) snooping allows the Switch to recognize IGMP queries and reports sent
between network stations or devices and an IGMP host. When enabled for IGMP snooping, the Switch can open or close a
port to a specific device based on IGMP messages passing through the switch.
To configure the IGMP, enter a value between 30 and 9999 seconds in the
IP Multicast Filtering Age-out Timer
field and then change the
IP Multicast Filtering (IGMP Snooping)
setting from
Disable
to
Enable
. Click the
Apply
button to let the changes take effect.
Items in the above window are described as follows: