TCPDUMP usage on Messaging Gateway 10.7.4 and newer

Products

• Messaging Gateway

Issue/Introduction

You have a need to run a packet capture (tcpdump) on SMG.

Environment

Release : SMG 10.7.4 and later.

Component : Command line.

Resolution

How to run a tcpdump on SMG:

1. Login to the command line as "admin".
2. Run the tcpdump command with any port or IP filters needed
   Example: tcpdump --port 25 --output capture01.cap 
   NOTE: A file path is not needed as SMG will store the file in the appropriate location
3. When ready to end the packet capture, press the key sequence CTRL-C (Control key and C key)
4. Select the system to generate a diagnostics in (Administration > Utilities > Diagnostics).
5. Select "All log data" and click "Generate".
6. Once the diagnostics is complete, download the file from the control center console and upload it to the case.
7. Email the case to let the support agent know the diagnostics is uploaded.

Additional Information

• How to gather a diagnostic from the Messaging Gateway
• Uploading files to cases on the Broadcom Support Portal

Usage

smg [10.8.1-7] tcpdump help
Usage: tcpdump [ --port port ] [ --ip ip_addr ]  [ --output output_file_name ]