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Chapter 3. Configuring Switching Information | 203
ProSafe® Gigabit L3 Managed Stackable Switches Software Administration Manual
LAG Membership
Use the LAG Membership page to select two or more full-duplex Ethernet links to be
aggregated together to form a link aggregation group (LAG), which is also known as a
port-channel. The switch can treat the port-channel as if it were a single link.
To access the LAG Membership page, click Switching
LAG LAG Membership.
1. Use LAG ID to select the identification of the LAG.
2. Use LAG Name to enter the name you want assigned to the LAG. You may enter any string
of up to 15 alphanumeric characters. A valid name has to be specified in order to create the
LAG.
3. Use LAG Description to enter the Description string to be attached to a LAG. It can be up
to 64 characters in length.
4. Use Admin Mode to select enable or disable from the pull-down menu. When the LAG is
disabled no traffic will flow and LACPDUs will be dropped, but the links that form the LAG
will not be released. The factory default is enable.
5. Use Link Trap to specify whether you want to have a trap sent when link status changes.
The factory default is enable, which will cause the trap to be sent.
6. Use STP Mode to enable or disable the Spanning Tree Protocol Administrative Mode
associated with the LAG. The possible values are:
• Disable - Spanning tree is disabled for this LAG.
• Enable - Spanning tree is enabled for this LAG.
7. Use Static Mode to select enable or disable from the pull-down menu. When the LAG is
enabled it does not transmit or process received LACPDUs i.e. the member ports do not
transmit LACPDUs and all the LACPDUs it may receive are dropped. The factory default is
disable.
8. Use Hash Mode to select the load-balancing mode used on a port-channel (LAG). Traffic is
balanced on a port-channel (LAG) by selecting one of the links in the channel over which to
transmit specific packets. The link is selected by creating a binary pattern from selected
fields in a packet, and associating that pattern with a particular link:
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