Need clarification on WPS IE support

[CHui]

Does wpa_supplicant support Wireless Provisioning Services Information
Element (WPS IE)?   

When I configure the access point (Cisco 1200 series 1232AG) to support two
SSIDs on the same radio, wpa_supplicant started to fail to connect to the
second SSID which is not broadcast in the 802.11 beacon management frame.
Connecting to the primary SSID has no problem.

Did I miss a configuration option for WPS IE support?  I am running
wpa_supplicant v0.5.2 on FreeBSD 6.0.

Thanks
Cedric