Chapter 4
| Interface Configuration
Trunk Configuration
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◆ If the target switch has also enabled LACP on the connected ports, the trunk
will be activated automatically.
◆ A trunk formed with another switch using LACP will automatically be assigned
the next available trunk ID.
◆ If more than eight ports attached to the same target switch have LACP enabled,
the additional ports will be placed in standby mode, and will only be enabled if
one of the active links fails.
◆ All ports on both ends of an LACP trunk must be configured for full duplex, and
auto-negotiation.
◆ Ports are only allowed to join the same Link Aggregation Group (LAG) if (1) the
LACP port system priority matches, (2) the LACP port admin key matches, and
(3) the LAG admin key matches (if configured). However, if the LAG admin key is
set, then the port admin key must be set to the same value for a port to be
allowed to join that group.
Note:
If the LACP admin key is not set when a channel group is formed (i.e., it has a
null value of 0), the operational value of this key is set to the same value as the port
admin key used by the interfaces that joined the group (see the “show lacp
internal” command in the CLI Reference Guide).
Parameters
These parameters are displayed:
Configure Aggregator
◆ Admin Key – LACP administration key is used to identify a specific link
aggregation group (LAG) during local LACP setup on the switch.
(Range: 0-65535)
Configure Aggregation Port - General
◆ Port – Port identifier. (Range: 1-12/28)
◆ LACP Status – Enables or disables LACP on a port.
Configure Aggregation Port - Actor/Partner
◆ Port – Port number. (Range: 1-12/28)
◆ 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 – Actor: 1,
Partner: 0)
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