Chapter Three
Operation
Page 37
© April 2007
traffic on the wired network. Network Analysis software, such as the freely available
Ethereal program, will list broadcast traffic sent on the network.
In the example below, Computer B sees the computer D via Ethernet Modems C & E. The
White Filtering requires that at Modem C has computer B in its white list, Modem E has
computer D in its Whitelist. Computer A will be not be able to access Computer D, as
Computer A is not present in the Whitelist in Modem C.
It is advisable to use the Apply Changes button to test the configuration entered. Once the
configuration is determined to be correct, the Apply Changes and Save button should be
used. In the event that the configuration is incorrect, a power reset will revert the unit to
previously saved configuration.
If an erroneous configuration has prevented all access to the module, SETUP mode may
be used analyze what is wrong with the configuration. Simply switch the dipswitch to
SETUP and cycle power. The 805U-E will retain its configuration, however will load up at IP
address 192.168.0.1XX, netmask 255.255.255.0 with the radio and filter disabled. The XX in
the IP address is the last two digits of the serial number. Configuration webpages will still
show the original configuration. No changes are made to configuration until the user saves
changes. To resume normal operation, set the dipswitch to RUN and cycle power.
MAC Address Filter Configuration:
Add Entries
Enter the MAC addresses of devices to be added to the list. Multiple
entries must be separated by a semi-colon (;).
Delete Entries
Check the box alongside entries selected for removal from the list.
Whitelist or Blacklist
Check the box to make the list a whitelist. This will allow devices
with the MAC addresses listed to communicate with the module and
utilise the radio link. All other devices are blocked unless they exist
in an IP whitelist.
Uncheck the box to make the list a blacklist. This will prevent all
listed devices from using accessing the module and using the radio
link.
Apply Changes
Update settings.
Apply Changes and Save
Update settings and save to non-volatile memory.
LAN
Client
Bridge
Access Point
Bridge
A
192.168.0.34
192.168.0.72
192.168.0.72
B
C
D
E
