Wireless Settings
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5
WDS Settings
The WLAN1 radio interface can be configured to operate in a mode that allows it to
forward traffic directly to other access point units. To set up links between access
point units, you must configure the Wireless Distribution System (WDS) forwarding
table by specifying the wireless MAC address of all units to which you want to
forward traffic.
Traffic forwarded to WDS links is automatically converted to 802.11 four-address
format frame. This uses the MAC addresses of the station and that of the AP
connected to it on the transmitting LAN, and the MAC addresses of the AP
functioning as a wireless repeater/bridge and that of the station connected to it on a
neighboring LAN in the 802.11 frame header. Ethernet traffic follows a three-address
format that is reconstructed for WDS transmission. The wireless AP/Router will
reconstruct the frame format upon receival and transmission using the criteria of the
receiving and forwarding port location and whether it is Ethernet or wireless in type.
Note: The wireless AP/Router does not support the spanning tree algorithm. WDS links
should be configured appropriately to avoid causing loops on the network.
Up to four WDS links can be specified for each unit in the WDS network.
The WDS link can be configured in the following combinations:
1. Both two units are configured as Router Mode
2. One unit is Router Mode and one unit is AP Bridge Mode
3. Both two units are configured as AP Bridge Mode
When both units are set to Router Mode, be sure to check these settings:
• Be sure each unit is configured with a different LAN IP address.
• Be sure that only one unit has Internet access on its WAN port.
• Be sure the DHCP server is enabled only on one unit. If one unit is providing
Internet access, enable the DHCP server on that unit.
Note: WDS Settings only apply to WLAN1. WLAN2 is pre-configured to AP mode unless
WLAN1 is configured to act as a bridge, in which case WLAN2 is disabled.
Figure 5-42. WDS Settings
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