Troubleshooting SMPP with tcpdump and WireShark - dwilkie/nuntium GitHub Wiki

Use tcpdump to capture some packets

sudo tcpdump -i eth0 -nnvvS -s 65535 -w smpp.cap host telco_internal_ip

Use WireShark to analyse the packets

Install WireShark on your development machine and open the captured file.

Note: If you see malformed packets, right click on a packet and select Decode As... Then choose SMPP.

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