Cisco Systems DL-2159-05 manual 12-7

Chapter 12 Special Configurations

Using Hot Standby Mode

Follow these steps to enable hot standby mode:

Step 1 On the standby access point, duplicate the settings on the monitored access point. Critical settings include:

•SSID (on the Express Setup page)

•Default IP Subnet Mask (also on the Express Setup page)

•Default Gateway (also on the Express Setup page)

•Data rates (on the AP Radio Hardware page)

•WEP settings (on the AP Radio Data Encryption page)

•Authentication Types (on the AP Radio Data Encryption page)

Step 2 On the standby access point, browse to the AP Radio Identification page:

a.On the Summary Status page, click Setup.

b.On the Setup page, click Identification in the AP Radio row under Network Ports.

Step 3 Select no for the Adopt Primary Port Identity option and click Apply. The access point reboots.

After the access point reboots, the radio has its own identity: the radio IP and MAC addresses are different from the Ethernet addresses. The default IP address for the radio is 10.0.0.2.

In three situations, you might need to change the radio IP address from its default setting:

•You must change the radio IP address if you need to use 10.0.0.2 for the Ethernet IP address. The Ethernet and radio ports on the standby access point must have different IP addresses.

•You must change the radio IP address if you need to browse to the standby access point through its radio port. If you need to browse to the access point through the radio port, passing the port an IP address on the same subnet as the Ethernet IP address.

•You must change the radio IP addresses on each standby access point if you are setting up more than one standby access point on the same subnet.

Step 4 After the access point reboots, browse to the Hot Standby page.

Step 5 Enter the monitored access point’s SSID in the Service Set ID entry field.

Step 6 Enter the monitored access point’s MAC address in the MAC Address For the Monitored AP entry field.

Step 7 Enter the number of seconds between each query the standby access point sends to the monitored access point.

Step 8 Enter the number of seconds the standby access point should wait for a response from the monitored access point before it assumes that the monitored access point has malfunctioned.

Step 9 Click Start Hot Standby Mode. The standby access point becomes a client device associated to the monitored access point.

Step 10 Click the browser’s refresh button to verify that the Current State line on the Hot Standby Setup page states that hot standby is initialized.

Note After the monitored access point malfunctions and the standby access point takes the root access point’s place, the hot standby access point’s hot standby mode must be manually set when the monitored access point is repaired or replaced. The standby access point does not revert to standby mode automatically.

Cisco Aironet 1200 Series Access Point Software Configuration Guide

OL-2159-05 12-7