Configuring APs to Join a Standalone WAC (Connected to a Core Switch in Off-Path Mode)

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CloudCampus Solution V100R019C10 Deployment Guide for Large- and Medium-Sized Campus Networks (Virtualization Scenario)

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Configuring APs to Join a Standalone WAC (Connected to a Core Switch in Off-Path Mode)

Context

Figure 4-8 Networking diagram for APs to join a standalone WAC

As shown in Figure 4-8, in the centralized gateway solution, if VXLAN is deployed across core and access layers on the fabric and a standalone WAC is connected to the core switch in off-path mode, an AP joins the standalone WAC in the following way:

(Configuration delivered by iMaster NCE-Campus) Configure an interface with a DHCP address pool applied on the core switch. DHCP Option 43 carries the IP address of the standalone WAC. The AP automatically obtains a management IP address through DHCP so that the core switch can establish a management channel with the AP.
(Configuration delivered by iMaster NCE-Campus) Associate the AP with the standalone WAC to ensure that the AP is authorized to join it.
(Configuration on the standalone WAC's web system) Configure the CAPWAP source interface. After the CAPWAP source interface is configured, if an AP attempts to access the network, the standalone WAC checks the ESN of the AP to determine whether the AP is authorized. If the AP is authorized, a CAPWAP tunnel can be established between the standalone WAC and the AP, and the AP can join it successfully.

Configuration Tasks

Description	Operation Procedure
Configuring the management subnet of APs	When aggregation/access switches are configured for management by iMaster NCE-Campus (see Configuring Aggregation and Access Switches to Be Managed by the Controller for details), the created management subnet can be shared by the aggregation/access switches and APs. Thus, you do not need to configure an additional management VLAN between APs and the border node. When configuring the DHCP server function on the gateway interface of the management subnet, you can enable DHCP Option 43 to carry the WAC's IP address.
Associating APs with the WAC	On iMaster NCE-Campus, select the APs to go online on the standalone WAC and associate the APs with it.
Configuring a CAPWAP source interface	Log in to the web system of the standalone WAC, and configure a CAPWAP source interface (see Configuring a CAPWAP Source Interface). Note that the interface used as the CAPWAP source interface must be created before you configure the standalone WAC to communicate with the core switch. In addition, a route to the AP management subnet must be configured on the standalone WAC.

Description

Operation Procedure

Configuring the management subnet of APs

When aggregation/access switches are configured for management by iMaster NCE-Campus (see Configuring Aggregation and Access Switches to Be Managed by the Controller for details), the created management subnet can be shared by the aggregation/access switches and APs. Thus, you do not need to configure an additional management VLAN between APs and the border node. When configuring the DHCP server function on the gateway interface of the management subnet, you can enable DHCP Option 43 to carry the WAC's IP address.

Associating APs with the WAC

On iMaster NCE-Campus, select the APs to go online on the standalone WAC and associate the APs with it.

Configuring a CAPWAP source interface

Log in to the web system of the standalone WAC, and configure a CAPWAP source interface (see Configuring a CAPWAP Source Interface).

Note that the interface used as the CAPWAP source interface must be created before you configure the standalone WAC to communicate with the core switch. In addition, a route to the AP management subnet must be configured on the standalone WAC.

Configuring a CAPWAP Source Interface

Choose Design > Site Agile Deployment > Device Management. On the Device Management tab page, click the device to which you want to log in.
Enter the management account and password, and click Login to enter the device's web system.
Choose Configuration > AC Config > Basic Config, and click the AC Configuration tab. Under AC source address, click , select the planned CAPWAP source interface, and click OK. Then click Apply.