Cisco Aironet 1000 Series Installationsanleitung PDF herunterladen (Seite 11)

The access point must be able to find the IP address of the controller by using DHCP, DNS,

OTAP, or IP subnet broadcast. This guide describes the DHCP method to convey the

controller IP address. For other methods, refer to the product documentation. For information

about DHCP Option 43, see the “Configuring DHCP Option 43” section on page 15.

Note For a Layer 3 access point on a different subnet than the controller, ensure that the

access point subnet has a DHCP server and a route to the controller. Also ensure that

the route to the controller has destination UDP ports 12222 and 12223 open for

LWAPP communications and that the routes to the primary, secondary, and tertiary

controllers allow IP packet fragments.

Step 4 Verify that your controller is connected to a switch trunk port.

Step 5 Configure the controller in LWAPP Layer 3 mode and ensure that its DS port is connected to

the switch. Use the command line interface (CLI), web-browser interface, or Cisco Wireless

Controller System (WCS) procedures as described in the appropriate controller guide.

a. Make sure that access point ports are available through the controller management or

AP-manager interfaces.

Step 6 Set the controller DS port as master (you can use the config network master-base disable CLI

command) so that new access points always associate with it. Use the show network config CLI

command to determine if the controller DS port is the master.

Step 7 For each access point, perform these steps:

a. Record the access point MAC address on the access point location map.

b. Mount the access point at the indicated location. For specific information about mounting the

access point, refer to the Cisco Aironet 1000 Series Lightweight Access Point Hardware

Installation Guide. This guide is available on Cisco.com.

c. (Optional) Prime the access point before mounting it. See the “Priming the Access Point”

section on page 13 for additional information and procedures.

d. (Optional) Secure the access point using a security cable.

e. Connect the access point cables (Ethernet, optional power, and optional antennas).

f. Power up the access point and verify that the discovery process occurs and that the access

point associates to the controller and operates normally.

When powered up, the access point begins a power-up sequence. The red Alarm LED

turns on for approximately 15 to 20 seconds and then all LEDs blink sequentially,

indicating that the access point is trying to find a controller.

If the access point remains in this mode for more than 5 minutes, it is unable to find a

master controller. Check the connection between the access point and the controller and

make sure they are all on the same subnet.

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Cisco Aironet 1000 Series Installationsanleitung Seite 11