110 | Virtual Controller Dell PowerConnect W-Series Instant Access Point 6.2.0.0-3.2.0.0 | User GuideVirtual Controller IP AddressYou can specify a single static IP address that can be used to manage a multi-AP Dell W-Instantnetwork. This IP address is automatically provisioned on a shadow interface on the W-IAP thattakes the role of a Virtual Controller. When a W-IAP becomes a Virtual Controller, it sends threeAddress Resolution Protocol (ARP) messages with the static IP address and its own MAC addressto update the network ARP cache.Specifying Name and IP Address for the Virtual ControllerTo specify name and IP address for the Virtual Controller:1. At the top right corner of the Dell W-Series Instant UI, click the Settings link. The Settingswindow appears.2. Enter a name for the Virtual Controller in the Name text box.3. Enter the appropriate IP address in the Virtual Controller IP text box.Configuring the DHCP ServerThe DHCP Server is the built-in server, used for networks which have Client IP Assignment setto Virtual Controller Assigned. The default size of the IP address pool has been increased to 512.You can customize the DHCP pool's subnet and address range if you need to providesimultaneous access to more number of clients. The largest address pool supported is 2048.To configure the domain name, DNS server, and lease time for the DHCP server, network, andmask, perform the following steps:1. At the top right corner of the Dell W-Series Instant UI, click the Settings link.2. In the Settings window, select the General tab.3. Enter the domain name of the client in the Domain name text box.4. Enter the IP addresses of the DNS servers seperated by comma(,) in the DNS server text box.5. Enter the duration of the DHCP lease in the Lease time text box.6. Select Minutes, Hours, or Days for the lease time from the drop-down list next to Lease time.7. Enter the network in the Network text box.8. Enter the mask in the Mask text box.NOTE: To provide simultaneous access to more than 512 clients, use the Network and Maskfields to specify a larger range. While the network (or prefix) is the common part of theaddress range, the mask (suffix) specifies how long the variable part of the address range is.9. Click Ok to apply the changes.
