Cisco AIR-SAP3702I-E-K9 Manuale introduttivo - Pagina 14

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e. CAPWAP UDP ports must not be blocked in the network.

f. The access point must be able to find the IP address of the controller. This can be

accomplished using DHCP, DNS, or IP subnet broadcast. This guide describes the DHCP

method to convey the controller IP address. For other methods, refer to the product

documentation. See also the

information.

Apply power to the access point:

Step 2

a. The access point is 802.3af (15.4 W) compliant and can be powered by any

802.3af-compliant device.

The access point is downgraded to 3x3 when it is connected to a 15.4W supply. For the

Note

access point to operate at its full potential, using an 802.3at PoE switch or AIR-PWRINJ4

power injector is recommended.

The recommended external power supply for the access point is the Cisco AIR-PWR-B

power supply. The access point can also be powered by the following optional external

power sources:

Access point power injector (AIR-PWRINJ5)

–

Any 802.3af compliant power injector

–

Note

The 3702 series access point requires a Gigibit Ethernet link to prevent the Ethernet

port from becoming a bottleneck for traffic because wireless traffic speeds exceed

transmit speeds of a 10/100 Ethernet port.

b. As the access point attempts to connect to the controller, the LEDs cycle through a green, red,

and amber sequence, which can take up to 5 minutes.

If the access point remains in this mode for more than five minutes, the access point is

Note

unable to find the Master Cisco wireless LAN controller. Check the connection between

the access point and the Cisco wireless LAN controller and be sure that they are on the

same subnet.

c. If the access point shuts down, check the power source.

d. After the access point finds the Cisco wireless LAN controller, it attempts to download the

new operating system code if the access point code version differs from the Cisco wireless

LAN controller code version. While this is happening, the Status LED blinks dark blue.

e. If the operating system download is successful, the access point reboots.

"Using DHCP Option 43" section on page 19

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