Allied Telesis AT-WA7501 - Manual (Page 98)

Chapter 3: Configuring the Ethernet Network
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Mask ff ff ff ff ff ff Checks the 6-byte source Ethernet
address for an exact match.
OP NE Compares the value after the offset and
mask are applied to the value of the Value
ID from the Filter Values menu to see if
they are not equal. (Compare the source
Ethernet address with the list of MAC
addresses from the Filter Values menu.)
Value ID 3 This filter expression applies to value ID 3
from the Filter Values menu.
Action Drop If the source Ethernet address does not
match any address in the list on the Filter
Values menu, then drop the frame.
Table 15. Example 2 – Third Filter Expression (Continued)
Parameter Value Explanation