Netgear WC7600 Reference Manual - Page 122

ProSAFE Wireless Controller WC7600 • Enable DHCP option 43 (vendor-specific information) on the DHCP server. Specify the wireless controller's IP address to allow the access points to receive the wireless controller's IP address and the DHCP server to assign IP addresses to the access points. The DHCP server on the wireless controller automatically enables DHCP option 43 with its own IP address. • Access points behind a NAT router first need to be converted to managed access points and then be installed behind the NAT router. • Each access point needs to have an IP address. All access points that are the same model ship with the same default IP address. With the exception of access points in factory default state that are in the same Layer 2 network at the remote site, if more than one access point has the same IP address, then only one of them is discovered at a time. You have to add the access point to the managed list, change its IP address, and then run discovery again to discover the next access point with that IP address. • An access point needs to run at least its initial firmware release or a newer version. There are no other firmware requirements for the access point to function with the wireless controller. Tip: For management and monitoring purposes, make sure that you give the remote access points at one site the same location name and that you create and assign meaningful building and floor names. For information about creating building and floor names, see Define and Edit Buildings and Floors on page 43; for information about assigning location, building, and floor names, see Change Access Point Information on the Managed AP List on page 133. Limitations after Discovery The following limitations apply after remote access points have been discovered: • Seamless Layer 2 roaming is supported for the clients of a remote access points, but seamless Layer 3 roaming is not supported for the clients across remote access points. When clients move from one IP subnet to another at the remote site, they are disconnected from their access point and need to reconnect to another access point. • If a remote access point is disconnected from the wireless controller, for example, because the VPN connection goes down, the following occurs: - The remote access point uses its last known configuration and functions as a standalone access point while continuously attempting to reconnect to the wireless controller. - If the access point uses WPA-PSK, WPA2-PSK, or WPA-PSK & WPA2-PSK authentication, it can continue to accept new clients. If the access point uses RADIUS authentication with the local RADIUS server of the wireless controller instead of an external RADIUS server, the access point can no longer accept new clients. - If the access point is rebooted, it loses its configuration. Discover and Manage Access Points 122