Access Point Client (Bridge for ethernet device to wireless network) with Cisco Access Points

Hi,

We're currently replacing a Juniper wireless network infrastructure with Cisco Access Points. One of the problem we have is with Access Point Client bridges for ethernet only device. We use ATOP AW5500C in Client Mode to connect ethernet only devices to our wireless network. With Juniper the AW5500C can connect to the wireless network and will have two IP addresses. One for the AW5500C itself and one for the device connected to it's ethernet port. With the new Cisco Access Points this isn't possible anymore. Our Cisco wireless experts told me "It's not allow two IP addresses with one wireless client".

Question 1) How can the AW5500C client to the Cisco Access Point?

Question 2) If the answer of question 1 is "never possible" then, which other Access Point client bridge for ethernet only deivce can I use with Cisco Access Point?

Thanks for your help,

Patrick