VoIP Ethernet Capture TMG7800 A

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=== '''''Applies to version(s): v2.7, v2.8, v2.9, v2.10''''' ===
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=== '''''Applies to version(s): 2.7, 2.8, 2.9, 2.10, 3.0, 3.2''''' ===
 
{{DISPLAYTITLE:VoIP Ethernet Capture TMG7800}}
 
{{DISPLAYTITLE:VoIP Ethernet Capture TMG7800}}
  

Revision as of 13:14, 8 September 2020

Applies to version(s): 2.7, 2.8, 2.9, 2.10, 3.0, 3.2

Physical Setup

To do a VoIP capture with a TMG7800, it is required to:

  • Connect one of the VoIP Ethernet port (VOIP0 or VOIP1) to a laptop with a straight ethernet connection. The laptop must support a gigababit connection
  • Use Wireshark on the laptop.

Once the physical setup is ready. It is possible to start capturing the RTP.

Preparing Tmedia for Capture

telnet [eth0 IP address of the telecom unit]

For example

telnet 172.16.123.45

The prompt will now be:

0/tbgw>
  • Start Wireshark to capture the Ethernet packets with the connected laptop.

Start the Capture

  • Do one of the following command to capture packets according to your setup:

For capturing all Ethernet packets that go through VoIP0 and copy them to VoIP1

mv88eMonitor 0x4 0x4 3 600

For capturing all Ethernet packets that go through VoIP1 and copy them to VoIP0

mv88eMonitor 0x8 0x8 2 600
  • Stop Wireshark and save the captured data to a file

To stop the Capture

mv88eMonitor 0 0 3
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