For troubleshooting deep rooted network issues, you may be accustomed to using tcpdump against a network interface on Linux.
Here's how to install libpcap and tcpdump from source: # cd libpcap-0.8.1 #./configure; make; make install # cd./tcpdump-3.8.1 #./configure; make; make install Rather than use a semicolon to separate multiple commands on the same line, some developers recommend &&. How to download Download Tcpdump Centos - Online.
This same utility can be used on OpenWrt to troubleshoot network issues. The Opkg Package manager makes this easy to install.
Opkg repositories
The “/etc/opkg/distfeeds.conf” file contains the list of repositories that opkg can pull from. As long as this is populated with the generic base packages for your OpenWrt release, you should have access to the tcpdump package.
Install Tcpdump Windows 10

Install tcpdump
Run tcpdump
Install Tcpdump In Ubuntu
For more detailed usage of tcpdump, see its man page.
Install Tcpdump Windows
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