118
◆
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, either by forced
mode or auto-negotiation.
◆
Trunks dynamically established through LACP will be shown on the LACP System Status
page (page 242) and LACP Port Status (page 244) pages under the Monitor menu.
◆
Ports assigned to a common link aggregation group (LAG) must meet the following criteria:
■
Ports must have the same LACP Admin Key. Using auto-configuration of the Admin Key
will avoid this problem.
■
One of the ports at either the near end or far end must be set to active initiation mode.
◆
Aggregation Mode Configuration located under the Static Aggregation menu (see
"Configuring Static Trunks" on page 112) also applies to LACP.
PARAMETERS
These parameters are displayed:
◆
Port
– Port identifier.
◆
LACP Enabled
– Controls whether LACP is enabled on this switch port. LACP will form
an aggregation when two or more ports are connected to the same partner. LACP can form
up to 12 LAGs per switch.
◆
Key
– The LACP administration key must be set to the same value for ports that belong to
the same LAG. (Range: 0-65535; Default: Auto) Select the Specific option to manually
configure a key. Use the Auto selection to automatically set the key based on the actual link
speed, where 10Mb = 1, 100Mb = 2, and 1Gb = 3.
◆
Role
– Configures active or passive LACP initiation mode. Use Active initiation of LACP
negotiation on a port to automatically send LACP negotiation packets (once each second).
Use Passive initiation mode on a port to make it wait until it receives an LACP protocol
packet from a partner before starting negotiations.
WEB INTERFACE
To configure a dynamic trunk:
1. Click Configuration, Aggregation, LACP.
2. Enable LACP on all of the ports to be used in an LAG.
Summary of Contents for GEP-1070
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