Cisco Cisco Access Registrar 4.2 Especificaciones descargar pdf (Pagina 383)

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Cisco Wireless LAN Controller Configuration Guide

OL-13826-01

Chapter 7 Controlling Lightweight Access Points

Configuring Power over Ethernet

Step 3 Perform one of the following:

• Check the Pre-Standard State check box if the access point is being powered by a high-power

Cisco switch. These switches provide more than the traditional 6 Watts of power but do not support

the intelligent power management (IPM) feature. These switches include:

–

2106 controller,

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WS-C3550, WS-C3560, WS-C3750,

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C1880,

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2600, 2610, 2611, 2621, 2650, 2651,

–

2610XM, 2611XM, 2621XM, 2650XM, 2651XM, 2691,

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2811, 2821, 2851,

–

3620, 3631-telco, 3640, 3660,

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3725, 3745,

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3825, and 3845.

• Uncheck the Pre-Standard State check box if power is being provided by a power injector or by a

switch not on the above list.

Step 4 Check the Power Injector State check box if the attached switch does not support IPM and a power

injector is being used. If the attached switch supports IPM, you do not need to check this check box.

Step 5 If you checked the Power Injector State check box in the previous step, the Power Injector Selection

parameter appears. This parameter enables you to protect your switch port from an accidental overload

if the power injector is inadvertently bypassed. Choose one of these options from the drop-down box to

specify the desired level of protection:

• Installed—This option examines and remembers the MAC address of the currently connected

switch port and assumes that a power injector is connected. Choose this option if your network

contains older Cisco 6-Watt switches and you want to avoid possible overloads by forcing a

double-check of any relocated access points.

Note Each time an access point is relocated, the MAC address of the new switch port will fail to

match the remembered MAC address, and the access point will remain in low-power mode.

You must then physically verify the existence of a power injector and reselect this option to

cause the new MAC address to be remembered.

• Override—This option allows the access point to operate in high-power mode without first

verifying a matching MAC address. It is acceptable to use this option if your network does not

contain any older Cisco 6-Watt switches that could be overloaded if connected directly to a 12-Watt

access point. The advantage of this option is that if you relocate the access point, it continues to

operate in high-power mode without any further configuration. The disadvantage of this option is

that if the access point is connected directly to a 6-Watt switch, an overload will occur.

• Foreign—This option causes the Injector Switch MAC Address parameter to appear. The Injector

Switch MAC Address parameter allows the remembered MAC address to be modified by hand.

Choose this option if you know the MAC address of the connected switch port and do not wish to

automatically detect it using the Installed option.

Step 6 Click Apply to commit your changes.

Step 7 Click Save Configuration to save your settings.

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Cisco Cisco Access Registrar 4.2 Especificaciones Pagina 383

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