Wireless Access Point
User Guide
11.9 Uplink Detection
11.9.1 Overview
In AP mode, the AP connects to its upstream network using the LAN port. If a critical node between the
LAN port and the upstream network fails, the AP as well as the wireless devices connected to the AP
cannot access the upstream network. If uplink detection is enabled, the AP regularly pings specified hosts
through the LAN port. If all the hosts are not reachable, the AP stops its wireless service and wireless
devices cannot find the SSIDs of the AP. The device can reconnect to the AP only after the connection
between the AP and the upstream networks is recovered.
If the uplink of the AP with uplink detection enabled is faulty, wireless devices can connect to the
upstream network through another nearby AP that works properly.
See the following topology (The LAN port serves as the uplink port).
11.9.2 Configuring uplink detection
1. Click Tools > Uplink Detection.
2. Uplink Detection: Tick the Enable box.
3. Host 1 to Be Pinged/Host 2 to Be Pinged: Enter the IP address(es) of the host to be pinged through the
LAN port of the AP, such as the IP address of the switch or router directly connected to the AP.
4. Pinging Interval: Enter the interval at which the AP detects its uplink.
5. Click Save.
Ethernet port
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