Cisco 1232 AG - as Repeater

If you want to configure your AP as a repeater and use the command-line interface, the following is an example configuration setting. This example configures the AP with two parents:

ap1130# configure terminal
ap1130(config)# interface dot11radio 0
ap1130(config-if)# ssid qbranch
ap1130(config-ssid)# infrastructure-ssid
ap1130(config-ssid)# exit
ap1130(config-if)# station-role repeater
ap1130(config-if)# dot11 extensions aironet
ap1130(config-if)# parent 1 0012.1111.aaaa 1000
ap1130(config-if)# parent 2 0012.2222.bbbb 1000
ap1130(config-if)# parent 3 0012.3333.cccc 1000
ap1130(config-if)# parent 4 0012.4444.dddd 1000

interface dot11radio {1 | 0}
Enters the configuration mode for the radio interface. The 2.4-GHz radio is 0; the 5-GHz radio is 1.

When function as repeater, all ethernet ports are shutdown.

To configure from scratch (1242 AG).
http://happyrouter.com/how-to-configure-a-cisco-wireless-access-point-ap-from-scratch