Cisco Aironet 1530 Manual de introducción - Página 32

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Guidelines for Using the Access Point

You should keep these guidelines in mind when you use the access point:

• The access point supports Layer 3 CAPWAP communications with the controllers. In Layer 3

operation, the access point and the controller can be on the same or different subnets. The access

point communicates with the controller using standard IP packets. Layer 3 operation is scalable

and is recommended by Cisco. Unless it has a static IP address, a Layer 3 access point on a different

subnet than the controller requires a DHCP server on the access point subnet and a route to the

controller. The route to the controller must have destination UDP ports 12222 and 12223 open

for CAPWAP communications. The routes to the primary, secondary, and tertiary controllers must

allow IP packet fragments.

• Before deploying your mesh access points ensure that the following has been done:

Your controllers are connected to switch ports that are configured as trunk ports.

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Your mesh access points are connected to switch ports that are configured as untagged access

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ports.

A DHCP server is reachable by your mesh access points and has been configured with Option

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43. Option 43 is used to provide the IP addresses of the Management Interfaces of your

controllers. Typically, a DHCP server can be configured on a Cisco Layer 3 switch or router.

Optionally a DNS server can be configured to enable a local domain Cisco CAPWAP

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controller (CISCO-CAPWAP-CONTROLLER.<local domain>) to resolve to the IP address of

the Management Interface of your controller.

Your controllers are configured and reachable by the mesh access points.

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Your controllers are configured with the MAC addresses of the mesh access points.

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