D-Link DWL-8500AP Product Manual - Page 62
Configuring Virtual Access Points, DHCP server the Unified Access Point uses can support IEEE 802.1Q - dwl 122
UPC - 790069297212
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D-Link Unified Access Point Administrator's Guide NOTE: After you configure the radio settings, you must click Update to apply the changes and to save the settings. Changing these access point settings might cause the AP to stop and restart system processes. Additionally, changing the Super AG setting will cause the AP to reset. If this happens, wireless clients will temporarily lose connectivity. We recommend that you change access point settings when WLAN traffic is low. Configuring Virtual Access Points You can configure virtual access points (VAPs) to segment the wireless LAN into multiple broadcast domains that are the wireless equivalent of Ethernet VLANs. You can configure up to eight VAPs on a radio. The VAPs simulate multiple APs in one physical access point. For each VAP, you can customize the security mode to control wireless client access. Each VAP can also have a unique SSID. Multiple SSIDs make a single access point look like two or more access points to other systems on the network. By configuring VAPs, you can maintain better control over broadcast and multicast traffic, which affects network performance. You can configure each VAP to use a different VLAN, or you can configure multiple VAPs to use the same VLAN. VAP0 is always enabled and is assigned to VLAN 1 by default. For the DWL-8500AP, VAP0 is always enabled on both radios, and VAPs can use a VLAN whether the VLAN is on the same radio or on a different radio. The access point adds VLAN ID tags to wireless client traffic based on the VLAN ID you configure on the VAP page or by using the RADIUS server assignment. If you use an external RADIUS server, you can configure multiple VLANs on each VAP. The external RADIUS server assigns wireless clients to the VLAN when the clients associate and authenticate. For more information about using a RADIUS server to manage VLANs, see "Configuring the RADIUS Server for VLAN Tags" on page 122. If wireless clients use a security mode that does not communicate with the RAIDUS server, or if the RADIUS server does not provide the VLAN information, you can assign a VLAN ID to each VAP. If the wireless client is not assigned a VLAN through any other method, the AP assigns the VLAN ID specified in the VAP to all wireless clients that connect to the AP through that VAP. NOTE: Before you configure VLANs on the AP, be sure to verify that the switch and DHCP server the Unified Access Point uses can support IEEE 802.1Q VLAN encapsulation. 62 © 2001-2008 D-Link Corporation. All Rights Reserved.