D-Link DWS-1008 User Manual page 76

DWS-1008 User's Manual
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Configuring Load-Sharing Port Groups
A port group is a set of physical ports that function together as a single link and provide load
sharing and link redundancy. Only network ports can participate in a port group.
You can configure up to 8 ports in a port group, in any combination of ports. The port numbers
do not need to be contiguous.
Load Sharing
A DWS-1008 switch balances the port group traffic among the group's physical ports by
assigning traffic flows to ports based on the traffic's source and destination MAC addresses.
The switch assigns a traffic flow to an individual port and uses the same port for all subsequent
traffic for that flow.
Link Redundancy
A port group ensures link stability by providing redundant connections for the same link. If
an individual port in a group fails, the switch reassigns traffic to the remaining ports. When
the failed port starts operating again, the switch begins using it for new traffic flows. Traffic
that belonged to the port before it failed continues to be assigned to other ports.
Configuring a Port Group
To configure a port group, use the following command:
set port-group name group-name port-list mode {on | off}
Enter a name for the group and the ports contained in the group. The mode parameter adds
or removes ports for a group that is already configured.
To modify a group:
• Adding ports - Enter the ports you want to add, then enter mode on.
• Removing ports - Enter the ports you want to remove, then enter mode off.
To configure a port group named server1 containing ports 1 through 5 and enable the link,
type the following command:
DWS-1008# set port-group name server1 1-5 mode on
success: change accepted.
Configuring a Port Group (continued)
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