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xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide
645
Parameters
units - (Optional) Specifies the unit list that will be configured.
<unitlist> - Enter the unit list, used for this configuration, here.
all - Specifies that all the units will be used for this configuration.
power_limit
- (Optional) Specifies the power budget of the PoE system.
<value 37-740> - Enter the power budger limit value here. This value must be between 37
and 740.
power_disconnect_method - (Optional) Specifies the disconnection method that will be used
when the power budget is running out. When the system attempts to supply power to a new
port, if the power budget is insufficient to do this, the PoE controller will initiate a port
disconnection procedure to prevent overloading the power supply. The controller uses one of
the following two ways to perform the disconnection procedure.
deny_next_port - Specifies the port with the maximum port number will be denied regardless
of its priority. If the disconnect method is set to deny the next port, the power provision will
not utilize the system’s maximum power. There is a 19W safety margin. That is, when the
system has only 19W remaining, this power cannot be utilized.
deny_low_priority_port - If there are ports that supplied power, that have a priority lower
than the new port, the port with the lowest priority will be disconnected. This process will
stop until enough power is released for the new port. Note that if the disconnect method is
set to deny low priority port, then the power provision can utilize the system’s maximum
power.
legacy_pd
- (Optional) Specifies the legacy PDs detection status.
enable - Specifies that the legacy PDs detection status will be enabled.
disable - Specifies that the legacy PDs detection status will be disabled and can’t detect the
legacy PDs signal.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To configure the PoE system-wise setting:
DGS-3420-28PC:admin#config poe system power_limit 250 power_disconnect_method
deny_low_priority_port
Command: config poe system power_limit 250 power_disconnect_method
deny_low_priority_port
Success.
DGS-3420-28PC:admin#
65-3 show poe ports
Description
This command is used to display the settings and actual values of the PoE port.
Note: This command is only available to Switches in the DGS-3420 Series that suppport Power
over Ethernet.
Format
show poe ports {<portlist>}