Nortel 15000 用户指南
Managing and Troubleshooting the Versalar Switch Router 15000
8-4
302768-C Rev 00
•
Establish an FTP or TFTP connection to the router from a PC or Sun
workstation to transfer a copy of the file. Then, use the packet dump utility to
display the packets in hexadecimal format and/or Network Tap to decode the
hexidecimal format. 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.
workstation to transfer a copy of the file. Then, use the packet dump utility to
display the packets in hexadecimal format and/or Network Tap to decode the
hexidecimal format. 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.
The packet dump utility shows the same information about each packet as the
BCC, but it does not provide options for selecting the packets by number or
quantity.
BCC, but it does not provide options for selecting the packets by number or
quantity.
See “
.
•
Establish a local or out-of-band connection to the router using the BCC. Then,
use the BCC to decode and display the hexadecimal contents of the packets.
use the BCC to decode and display the hexadecimal contents of the packets.
Displaying Packet Information Using the BCC
The BCC displays the following information about each packet:
•
The sequential number of the packet in the file
•
The date and time that 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)
outgoing)
•
The contents of the packet in hexadecimal format
The BCC also allows you to do the following:
•
Identify the first packet that you want to display by specifying its sequence
number in the packet capture file.
number in the packet capture file.
•
Limit the number of packets displayed.