Enterprise Networking Planet: The Penguin’s Practical Network Troubleshooting Guide, Part 2

“Last week we used ping and tcptraceroute to pinpoint
connectivity problems, and nmap to spy on users. Oh yeah, and to
map entire subnets with a single command. Today we’ll look at ways,
when your users crab about ‘the network is slow,’ to determine if
it’s network or server troubles.

“mtr, My Traceroute, is a great little tool for giving you a
real-time snapshot of network performance…”

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