Alcatel OS6400-48 Hardware User Guide - Page 91

Setting Port Priority Levels, Note., does not, High., Critical.

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Managing Power over Ethernet (PoE) Configuring Power over Ethernet Parameters To increase or decrease the total power available to a slot, use the lanpower maxpower command. Since you are setting the power allowance for an individual slot, you must specify a slot number in the command line. For example, the syntax -> lanpower 1 maxpower 80 reduces the power allowance of the slot 1 to 80 watts. This value is now the maximum amount of power the slot can use to power all attached devices (until the value is modified by the user). Note. Changing the maximum power available to a slot or port does not reserve or immediately allocate that power. These settings are only used for configuring a maximum amount of power that may be used, any unused power is still available and remains a part of the overall PoE budget. Setting Port Priority Levels As not all Powered Devices (PDs) connected to the switch have the same priority within a customer network setting, the OmniSwitch allow the user to specify priority levels on a port-by-port basis. Priority levels include low, high, and critical. The default priority level for a port is low. • Low. This default value is used for port(s) that have low-priority devices attached. In the event of a power management issue, inline power to low-priority is interrupted first (i.e., before critical and highpriority). • High. This value is used for port(s) that have important, but not mission-critical, devices attached. If other in the chassis have been configured as critical, inline power to high-priority is given second priority. • Critical. This value is used for port(s) that have mission-critical devices attached, and therefore require top (i.e., critical) priority. In the event of a power management issue, inline power to critical is maintained as long as possible. To change the priority level for a particular port, use the lanpower priority command. Since the switch allows you to set priority levels on a port-by-port basis, be sure to specify slot/port information in the command line. For example, the syntax -> lanpower 1/22 priority critical changes the priority value of port 1/22 to the highest priority level of critical. Now that the default value has been reconfigured, this port should be reserved for those PDs that are mission critical for network operations. OmniSwitch 6400 Series Hardware Users Guide July 2010 page 5-7

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Managing Power over Ethernet (PoE)
Configuring Power over Ethernet Parameters
OmniSwitch 6400 Series Hardware Users Guide
July 2010
page 5-7
To increase or decrease the total power available to a slot, use the
lanpower maxpower
command. Since
you are setting the power allowance for an individual slot, you must specify a
slot
number in the command
line. For example, the syntax
-> lanpower 1 maxpower 80
reduces the power allowance of the slot 1 to 80 watts. This value is now the maximum amount of power
the slot can use to power all attached devices (until the value is modified by the user).
Note.
Changing the maximum power available to a slot or port
does not
reserve or immediately allocate
that power. These settings are only used for configuring a maximum amount of power that may be used,
any unused power is still available and remains a part of the overall PoE budget.
Setting Port Priority Levels
As not all Powered Devices (PDs) connected to the switch have the same priority within a customer
network setting, the OmniSwitch allow the user to specify priority levels on a port-by-port basis. Priority
levels include low, high, and critical. The default priority level for a port is low.
•
Low.
This default value is used for port(s) that have low-priority devices attached. In the event of a
power management issue, inline power to low-priority is interrupted first (i.e., before critical and high-
priority).
•
High.
This value is used for port(s) that have important, but
not
mission-critical, devices attached. If
other in the chassis have been configured as critical, inline power to high-priority is given second
priority.
•
Critical.
This value is used for port(s) that have mission-critical devices attached, and therefore require
top (i.e., critical) priority. In the event of a power management issue, inline power to critical is main-
tained as long as possible.
To change the priority level for a particular port, use the
lanpower priority
command. Since the switch
allows you to set priority levels on a port-by-port basis, be sure to specify
slot/port
information in the
command line. For example, the syntax
-> lanpower 1/22 priority critical
changes the priority value of port 1/22 to the highest priority level of critical. Now that the default value
has been reconfigured, this port should be reserved for those PDs that are mission critical for network
operations.