Lacp parameters – Dell PowerEdge VRTX User Manual

Page 340

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FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Dell Plasma\User

Guide\Plasma_UGSwitching_LAG.fm

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• All ports in the LAG have the same back pressure and flow control modes.
• All ports in the LAG have the same priority.
• All ports in the LAG have the same transceiver type.
• The device supports up to 32 LAGs, and eight ports in each LAG.
• Ports can be configured as LACP ports only if the ports are not part of a

previously configured LAG.

Ports added to a LAG lose their individual port configuration. When ports are

removed from the LAG, the original port configuration is applied to the ports.
The device uses a hash function to assign packets to a LAG member. The

hash function statistically load-balances the aggregated link members. The

device considers an Aggregated Link to be a single logical port.
Aggregate ports can be linked into link-aggregation port-groups. Each group

comprises ports with the same speed, set to full-duplex operations.
Ports in a LAG can contain different media types if the ports are operating at

the same speed. Aggregated links can be manually or automatically

configured by enabling LACP on the relevant links.

LACP Parameters

To define LACP LAGs, configure LACP global and port parameters, such as

LACP system priority, timeout, and port priority.
With all factors equal, when the LAG is configured with more candidate ports

than the maximum number of active ports allowed, the switch activates the

highest priority candidate ports from the dynamic LAG.
To set LACP parameters:

1 Click Switching > Link Aggregation > LACP Parameters in the tree

view to display the LACP Parameters page.
The LACP parameters for all ports are displayed.

2 Enter the global LACP System Priority (1-65535) value that determines

which candidate ports will become members of the LAG.
The page displays the LACP settings of the ports on the selected unit.

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