packet

Linux: Introducing latency and packet loss into network for testing

Within current distributions of Linux, there is a kernel component called netem that can be used to test and simulate the type of issues one would see over a Wide Area Network.  This component is managed with a tool called traffic controller. This can be helpful during testing/troubleshooting to emulate the network latency or packet Linux: Introducing latency and packet loss into network for testing

OpenWrt: Installing tcpdump from opkg

For troubleshooting deep rooted network issues, you may be accustomed to using tcpdump against a network interface on Linux. This same utility can be used on OpenWrt to troubleshoot network issues.   The Opkg Package manager makes this easy to install.