ZyXEL Communications P-2301R/RL-P1C Support Notes page 32

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Generic Filter Ruls
Set the 'Filter Type' to 'Generic Filter Rule'
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Active
Turn 'Active' to 'Yes'
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Offset (in bytes)
Set to '6' since the source MAC address starts at 7th octets we need to skip the first octets of the
destination MAC address.
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Length (in bytes)
Set to '6' since MAC address has 6 octets.
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Mask (in hexadecimal)
Specify the value that the ZyXEL device will logically qualify (logical AND) the data in the
packet.
Since the Length is set to 6 octets the Mask for it should be 12 hexadecimal numbers. In this case,
we intent to set to 'ffffffffffff' to mask the incoming source MAC address, [00 80 c8 4c ea 63].
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Value (in hexadecimal)
Specify the MAC address
the masked packet. If the result from the masked packet matches the 'Value', then the packet is
considered matched.
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Action Matched=
Enter the action you want if the masked packet matches the 'Value'. In this case, we will drop it.
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Action Not Matched=
Enter the action you want if the masked packet does not match the 'Value'. In this case, we will
forward it. If you want to configure more rules please select 'Check Next Rule' to start configuring
the next new rule. However, please note that the 'Filter Type' must be also 'Generic Filter Rule' but
not others. Because the Generic and TCPIP (IPX) filter rules must be in different filter sets.
Menu 21.1.2 - Generic Filter Rule
All contents Copyright (c) 2007 ZyXEL Communications Corporation.
Prestige 2301R/RL-P1C Support Notes
[00 80 c8 4c ea 63] that the ZyXEL device should use to compare with
32