Cisco C9130AXI Series Manuale introduttivo - Pagina 29
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Cisco Catalyst 9130AX Series Access Points
DNS discovery—The access point can discover controllers through your domain name server (DNS). For the access
point to do so, you must configure your DNS to return controller IP addresses in response to
CISCO-CAPWAP-CONTROLLER.localdomain, where localdomain is the access point domain name. Configuring the
CISCO-CAPWAP-CONTROLLER provides backwards compatibility in an existing customer deployment. When an
access point receives an IP address and DNS information from a DHCP server, it contacts the DNS to resolve
CISCO-CAPWAP-CONTROLLER.localdomain. When the DNS sends a list of controller IP addresses, the access
point sends discovery requests to the controllers.
Deploying the Access Point on the W ireless Netw ork
After you have mounted the access point, follow these steps to deploy it on the wireless network:
Step 1
Connect and power up the access point.
Step 2
O bserve the access point LED (for LED descriptions, see
a. When you power up the access point, it begins a power-up sequence that you can verify by observing the
access point LED. If the power-up sequence is successful, the discovery and join process begins. During this
process, the LED blinks sequentially green, red, and off. When the access point has joined a controller, the
LED is green if no clients are associated or blue if one or more clients are associated.
b. If the LED is not on, the access point is most likely not receiving power.
c. If the LED blinks sequentially for more than 5 minutes, the access point is unable to find its primary,
secondary, and tertiary Cisco Wireless Controller. Check the connection between the access point and the
Cisco Wireless Controller, and be sure the access point and the Cisco Wireless Controller are either on the
same subnet or that the access point has a route back to its primary, secondary, and tertiary Cisco Wireless
Controller. Also, if the access point is not on the same subnet as the Cisco Wireless Controller, be sure that
there is a properly configured DH CP server on the same subnet as the access point. See the
DH CP O ption 43" section on page 32
Step 3
Reconfigure the Cisco Wireless Controller so that it is not the master.
Note
A master Cisco Wireless Controller should be used only for configuring access points and not in a
working network.
1 3
Self-Identifying Antennas
The C9130AXE AP supports Self-Identifying Antennas with 8-port DART connectors. When the C9130AXE AP is
powered up with a 8-port DART Self-Identifying Antenna connected to it, the AP's circuitry reads the EEPROM in the
Self-Identifying Antenna. This enables the AP to automatically configure the antenna gain and beamwidth.
Antennas with RP-TNC and N-type connectors (see
connected to the C9130AXE AP using an AIR-CAB002-D8-R= (RP-TNC) or AIR-CAB003-D8-N= (N-type). When using
the RP-TNC adapter, the C9130AXE AP sets the antenna gain to 6 dBi. When using the N-type adapter, the C9130AXE
AP sets the antenna gain to 13 dBi. When using either adapter, connectors A, B, C, and D provide dual-band functionality.
Connectors E, F, G, and H provide 5 GHz functionality. Additionally, connector H connects to the BLE radio. When using
the breakout cables and connecting to legacy dual-band antennas, the BLE radio will experience the gain of that antenna
at 2.4 GHz.
" Self-Identifying Antennas" section on page
for additional information.
"List of External Antennas Supported on
29
29).
" Configuring
C9130AXE") can be