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Chapter 4. Install the Access Point
This chapter contains the stepwise procedure to install the access point (AP).
Zero-Configuration of O-235E as Access Point
Zero-configuration is supported under the following conditions:
•
The device is in AP mode with background scanning on and no SSID configured.
•
A DNS entry wifi-security-server is set up on all the DNS servers. This entry should point to
the IP address of the server. By default, the AP looks for the DNS entry wifi-security-server.
•
The AP is on a subnet that is DHCP enabled.
Important: If the AP is on a network segment that is separated from the server by a firewall,
you must first open the port 3851 for bidirectional User Datagram Protocol (UDP) and Transport
Control Protocol (TCP) traffic on that firewall. This port number is assigned to Arista Networks.
Zero-configuration cannot work if multiple APs are set up to connect to multiple servers. In this
case, the APs must be configured manually. For details on how to configure an AP manually, see
the Access Point Configuration Guide on our website at
https://www.arista.com/en/support/product-
documentation .
Take a configured AP; that is, ensure that a static IP is assigned to the AP or the settings have been
changed for DHCP. Before you install the AP in a hard-to-reach location, note the MAC address and
the IP address of the AP for later use. The MAC address is printed on a label at the bottom of the AP.
The steps to install the AP with no configuration (zero-configuration) are as follows:
1. Pole Mount the AP (page 11)
2. Connect External Antennas (page 18)
3. Power On the AP (page 16)
4. Connect the AP to the Network (page 17)
Pole Mount the AP
Use the mounting bracket and metal clamps to install the O-235E AP on a pole. Standard accessories
include the mounting bracket and two metal clamps.
To mount the AP: