Port Configuration 3

Configuring LACP Parameters

Dynamically Creating a Port Channel –

Ports assigned to a common port channel must meet the following criteria:

•Ports must have the same LACP System Priority.

•Ports must have the same LACP port Admin Key.

•However, if the “port channel” Admin Key is set (page 4-142), then the port Admin Key must be set to the same value for a port to be allowed to join a channel group.

Note – If the port channel admin key (lacp admin key, page 4-161)is not set (through the CLI) when a channel group is formed (i.e., it has a null value of 0), this key is set to the same value as the port admin key used by the interfaces that joined the group (lacp admin key, as described in this section and on page 4-161).

Command Attributes

Set Port Actor – This menu sets the local side of an aggregate link; i.e., the ports on this switch.

•Port – Port number. (Range: 1-25/49)

•System Priority – LACP system priority is used to determine link aggregation group (LAG) membership, and to identify this device to other switches during LAG negotiations. (Range: 0-65535; Default: 32768)

-Ports must be configured with the same system priority to join the same LAG.

-System priority is combined with the switch’s MAC address to form the LAG identifier. This identifier is used to indicate a specific LAG during LACP negotiations with other systems.

•Admin Key – The LACP administration key must be set to the same value for ports that belong to the same LAG. (Range: 0-65535; Default: 1)

•Port Priority – If a link goes down, LACP port priority is used to select a backup link. (Range: 0-65535; Default: 32768)

Set Port Partner – This menu sets the remote side of an aggregate link; i.e., the ports on the attached device. The command attributes have the same meaning as those used for the port actor. However, configuring LACP settings for the partner only applies to its administrative state, not its operational state, and will only take effect the next time an aggregate link is established with the partner.

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Microsoft ES4649, ES4625 manual Port Configuration Configuring Lacp Parameters
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ES4649, ES4625 specifications

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