Netgear GSM7252PS ProSafe Managed Switch Web Management User Manual - Page 201
Link Aggregation Groups, LAG Configuration
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ProSafe® Gigabit L3 Managed Stackable Switches Software Administration Manual Link Aggregation Groups Link aggregation groups (LAGs), which are also known as port-channels, allow you to combine multiple full-duplex Ethernet links into a single logical link. Network devices treat the aggregation as if it were a single link, which increases fault tolerance and provides load sharing. You assign the LAG VLAN membership after you create a LAG. The LAG by default becomes a member of the management VLAN. A LAG interface can be either static or dynamic, but not both. All members of a LAG must participate in the same protocols. A static port-channel interface does not require a partner system to be able to aggregate its member ports. Static LAGs are supported. When a port is added to a LAG as a static member, it neither transmits nor receives LACPDUs. ProSafe® Managed Switches support up to 64 LAGs. From the LAGs link, you can access the following pages: • LAG Configuration on page 201 • LAG Membership on page 203 LAG Configuration Use the LAG (Port Channel) Configuration page to group one or more full-duplex Ethernet links to be aggregated together to form a link aggregation group, which is also known as a port-channel. The switch treats the LAG as if it were a single link. To access the LAG Configuration page, click Switching LAG LAG Configuration. To configure LAG settings: 1. 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. 2. 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: • Src MAC,VLAN,EType,incoming port - Source MAC, VLAN, EtherType, and incoming port associated with the packet. Chapter 3. Configuring Switching Information | 201