Avaya Mobile Communication 3100 User Manual download pdf (Page 23)

Troubleshooting communication and

network problems

The following modules describe the Mobile Communication 3100

(MC 3100) communication and network problem troubleshooting.

Navigation

•

"Performing a packet capture" (page 23)

•

"Disabling Wireshark packet checksum verification" (page 24)

Performing a packet capture

You can use the packet dump utility to capture all of the data transmitted

and received on an interface of the MCG 3100 for a period of time (a

capture session). After the capture session completes, you can save the

packet dump as a

.cap file.

Attention: Before performing a packet capture, confirm that the server

contains tcpdump. If necessary, install tcpdump in /usr/sbin, and change

the permissions by logging on as root and using the command

chmod u+s /usr/sbin/tcpdump

To open the .cap files for troubleshooting and analysis, you require the

protocol analyzer called Wireshark (formerly Ethereal).

Prerequisites

• You must be logged into the MC 3100 Web Console as administrator.

For more information, see "Logging on to the MC 3100 Web Console

as an administrator" (page 9).

Nortel Mobile Communication 3100

Nortel Mobile Communication 3100 Troubleshooting

NN42030-700 01.03 Standard

9 June 2009

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Avaya Mobile Communication 3100 User Manual Page 23