
Configuring a VNS
Creating a VNS Using the Wizard
SCALANCE WLC711
7-46 C79000-G8976-C260-03, 07/2012, User Guide, V8.11
6. Click Next. The DHCP screen is displayed.
Table 7-12 Captive Portal DHCP Page - Fields and Buttons
Field/Button Description
DHCP Option In the DHCP Option drop-down list, click one of the following:
Use DHCP Relay — Using DHCP relay forces the SCALANCE
IWLAN Controller to forward DHCP requests to an external DHCP
server on the enterprise network. DHCP relay bypasses the local
DHCP server for the SCALANCE IWLAN Controller and allows the
enterprise to manage IP address allocation to a VNS from its
existing infrastructure.
DHCP Servers — If Use DHCP Relay was selected, type the IP
address of the DHCP server to which DHCP discover and request
messages will be forwarded for clients on this VNS. The
SCALANCE IWLAN Controller does not handle DHCP requests
from users, but instead forwards the requests to the indicated
DHCP server.
The DHCP server must be configured to match the VNS settings.
In particular for a Routed VNS, the DHCP server must identify the
SCALANCE IWLAN Controller's interface IP as the default
Gateway (router) for the subnet. (Users intending to reach devices
outside of the subnet will forward the packets to the default
gateway (controller) for delivery upstream.)
Local DHCP Server — If applicable, edit the local DHCP server
settings.
DNS Server Type the IP Address of the Domain Name Servers to be used.
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