View pings sent from an external device to mangoh red

You can have a look here:
https://www.wireshark.org/docs/wsug_html_chunked/AppToolstcpdump.html

  1. Download a ARM version of TCPDUMP and transfer to the module
    static-binaries/tcpdump at master · andrew-d/static-binaries · GitHub
  2. chmod 777 tcpdump_arm
  3. /home/root/tcpdump_arm -s0 -i eth0 -w /tmp/test.pcap