
Using the Technician Interface to Configure and Run Packet Capture
B-3
The decoded format identifies each field in the packet and, where appropriate,
displays its contents in English. It also allows you to search packets for
character strings.
Optivity Tap displays each packet in a readable format without requiring a
Network General Sniffer. Refer to Using Optivity Internetwork 6.1 or later for
instructions.
• If a local or out-of-band Technician Interface connection to the router is
available, and you can decode the hexadecimal content of the packets
yourself, use it to display the packets.
The Technician Interface shows the following information about each packet:
— The sequential number of the packet in the file
— The date and time Packet Capture copied the packet
— The media carrying the packet
— The original size of the packet
— The direction of the packet (received for incoming, or transmitted for
outgoing)
— The contents of the packet in hexadecimal format.
The Technician Interface also allows you to
— Identify the first packet you want to display by specifying its sequence
number in the packet capture file.
— Limit the number of packets displayed.
• If a DOS PC or Sun workstation can establish an FTP, TFTP, or XMODEM
connection to the router to transfer a copy of the file, you can use the Packet
Dump utility to display the packets in hexadecimal format.
The Packet Dump utility shows the same information about each packet as the
Technician Interface, but it does not provide options for specifying the packet
by number or quantity.
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