Allied Telesis AT-WA7500 - Manual (Page 207)

AT-WA7500 User’s Guide
207
The end devices are unable to roam from one access point to
another.
The switches in your network may not support backward learning. Use
data link tunneling to force all wireless traffic through a fixed point so
that roaming is transparent to the bridges or switches.
The end devices must have IP addresses from the root IP subnet.
For more information, see About Data Link Tunneling on page 111.
You cannot originate an IP tunnel to an access point on a remote IP
subnet.
1. Verify that the IP Router (Gateway) address is correct.
2. Verify that the access points on the ends of the tunnel have the same
LAN ID.
3. On the root access point verify that the IP address of the access point
at the endpoint of the IP tunnel appears in the IP Addresses list.
You need to verify the static WEP keys.
You cannot verify the WEP keys. The keys are encrypted after you enter
them and are never displayed again. You may need to reconfigure your
access points and end devices to reset the WEP keys.
The filters are not filtering properly.
Check all of your filter settings. Conflicts may exist between the various
filters.
You need to confirm which master radio a WAP is connected to.
To verify that a WAP is communicating with a particular radio, view the
AP Connections screen for the access point. Select Maintenance then
AP Connections.
The throughput seems slow.
‰ Verify that your antennas are well placed and that metal or other
obstacles do not block them.
‰ You may want to add a second access point and implement
roaming if you move the antenna closer to the device and
throughput increases.
‰ You may be able to set filters to eliminate Ethernet traffic on the
wireless network. For more information about filters, see
Configuring IP Tunnel Filters on page 126.