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802.11n Access Points - Software Management Guide 76
Tabulated below are the ‘Protocol Filter’ parameters and the method to configure the configurable parameters:
Parameter Description
Filtering Control Specifies the interface on which filtering is applied. By default, it is disabled. It can be
configured as:
– Ethernet: Packets are examined at the ethernet interface.
– Wireless: Packets are examined at the wireless interface.
– All interfaces: Packets are examined at both ethernet and wireless interface.
To configure, select an interface from the Filtering Control drop down menu.
Filtering Type Specifies the action to be performed on the data packets whose protocol type is not defined
in the protocol filter table (this table contains a list of default protocols supported by the AP
device and the protocols defined by the user), or whose entry status is in Disable state. The
available filtering types are:
– Block: The protocols with entry status Disable or the protocols which do not exist in
the protocol filtering table are blocked.
– Passthru: The protocols with entry status Disable or the protocols which do not exist
in the protocol filtering table are allowed through the interface.
To configure, select a Filtering Type from the drop down menu.
Protocol Filter Table
The ‘Protocol Filters’ screen displays a list of default protocols supported by the AP device and the protocols created
by the user. By default, the system generates 19 protocols entries. Each of the protocol contains the following
information:
Protocol Name Specifies the name of the protocol.
: The system throws an error when you try to edit the name of a default protocol.
Protocol Number Specifies the protocol number. It is in 4 digit hexadecimal format.
: The system throws an error when you try to edit the protocol number of a default
protocol.
Filter Status Specifies the status of the filter. By default, it is Block. To configure, select the Filter Status
as either Block or Passthru from the drop down menu.
– Passthru: When the filter status is set to Passthru and Entry Status is Enable, all
packets whose protocol matches with the given protocol number are forwarded on the
selected interface.
– Block: When the filter status is set to Block and Entry Status is Enable, all packets
whose protocol matches with the given protocol number are dropped on the selected
interface.
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