D-Link DGS-3048 Product Manual - Page 69

IGMP Snooping, Link Aggregation Group Configuration Window Modify, Parameter

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DGS-3048 Gigabit Ethernet Switch Manual Clicking the Modify button will open the Link Aggregation Group Configuration window, shown below: Figure 8- 11. Link Aggregation Group Configuration Window (Modify) The user-changeable parameters are as follows: Parameter Description State Trunk groups can be toggled between Enabled and Disabled. This is used to turn a port trunking group on or off. This is useful for diagnostics, to quickly isolate a bandwidth intensive network device or to have an absolute backup aggregation group that is not under automatic control. Type The type of port trunking supported by the DGS-3048 is Static. Members Port Choose the members of a trunked group. Up to eight ports per group can be assigned to a group. After setting the previous parameters, click Apply to allow your changes to be implemented. Successfully created trunk groups will be show in the Current Trunking Group Entries table. IGMP Snooping 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. In order to use IGMP Snooping it must first be enabled for the entire Switch on the DGS-3048 Web Management Tool (Switch Information window). You may then fine-tune the settings for each VLAN by clicking the IGMP Snooping link in the Configuration folder. When enabled for IGMP snooping, the Switch can open or close a port to a specific multicast group member based on IGMP messages sent from the device to the IGMP host or vice versa. The Switch monitors IGMP messages and discontinues forwarding multicast packets when there are no longer hosts requesting that they continue. Use the Current IGMP Snooping Group Entries window to view IGMP Snooping settings. To modify the settings, click the Modify button of the VLAN ID you want to change. 57

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DGS-3048 Gigabit Ethernet Switch Manual
Clicking the
Modify
button will open the
Link Aggregation Group Configuration
window, shown below:
Figure 8- 11. Link Aggregation Group Configuration Window (Modify)
The user-changeable parameters are as follows:
Parameter
Description
State
Trunk groups can be toggled between
Enabled
and
Disabled
. This is used to turn a
port trunking group on or off. This is useful for diagnostics, to quickly isolate a
bandwidth intensive network device or to have an absolute backup aggregation group
that is not under automatic control.
Type
The type of port trunking supported by the DGS-3048 is Static.
Members Port
Choose the members of a trunked group. Up to eight ports per group can be assigned
to a group.
After setting the previous parameters, click
Apply
to allow your changes to be implemented. Successfully created trunk
groups will be show in the Current Trunking Group Entries table.
IGMP Snooping
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.
In order to use IGMP Snooping it must first be enabled for the entire Switch on the
DGS-3048 Web Management Tool
(Switch Information
window). You may then fine-tune the settings for each VLAN by clicking the
IGMP Snooping
link
in the
Configuration
folder. When enabled for IGMP snooping, the Switch can open or close a port to a specific multicast
group member based on IGMP messages sent from the device to the IGMP host or vice versa. The Switch monitors IGMP
messages and discontinues forwarding multicast packets when there are no longer hosts requesting that they continue.
Use the
Current IGMP Snooping Group Entries
window to view
IGMP Snooping
settings. To modify the settings, click
the
Modify
button of the VLAN ID you want to change.
57