Cisco Systems 5, NAM manual Custom Decode Filter Dialog Box

Chapter 4 Capturing and Decoding Packet Data

Viewing Packet Decode Information

Table 4-11	Custom Decode Filter Dialog Box
Field		Description	Usage Notes
Filter Name		The name of the capture filter.	Enter the name of the filter to be created.
Description		The description of the capture filter.	Enter a description of the filter.
Protocol		The protocol to match with the packet.	Choose a protocol from the list. (Select All to match all
			packets regardless of protocol.)
Address		Indicates whether to filter by MAC or IP	Choose MAC to filter using the source/destination MAC
(MAC or IP)		address.	address of the packets.
			Choose IP to filter using the source/destination addresses of
			the packets.
Both Directions		Indicates whether the filter is applied to traffic	If the source is host A and the destination is host B, enabling
		in both directions.	both directions filters packets from A to B and B to A.
			If the source is host A and the destination is not specified,
			enabling both directions filters packets both to and from host
			A.
Offset		The offset (in bytes) from the Base where	Enter a decimal number.
		packet data-matching begins.
Base		The base from which the offset is calculated.	Choose absolute or a protocol.
		If you select absolute, the offset is calculated
		from the absolute beginning of the packet (for
		example, the beginning of the Ethernet
		frame).
		If you select protocol, the offset is calculated
		from the beginning of the protocol portion of
		the packet. If the packet does not contain the
		protocol, the packet fails this match.

	User Guide for the Cisco Network Analysis Module (NAM) Traffic Analyzer, 5.0
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