Allied Telesis AT-WA7501 - Manual (Page 93)

AT-WA7500 and AT-WA7501 Installation and User’s Guide
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Set the first filter expression as shown below.
Table 25. Example 2 – First Filter Expression
Parameter Value Explanation
ExprSeq 1 The first expression that is executed. You
must have an expression for each Value
ID that is listed in the Filter Values menu.
Offset 0 Since the filter is applied to the destination
address, which is the first value in the
frame, the offset is 0.
Mask 01 Checks only the Ethernet multicast bit.
Op EQ 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 equal. (If the value at the offset
equals the specified value on the Filter
Values menu, the frame is multicast.)
Value ID 2 This filter expression applies to value ID 2
from the Filter Values menu.
Action And If this filter expression is true, continue to
the next expression.