Howtoforge published a guide about monitoring network latency with Smokeping on Debian GNU/Linux 4.0
"This guide shows how to install and configure Smokeping on Debian Etch to monitor network latency. From the Smokeping web site: "SmokePing is a deluxe latency measurement tool. It can measure, store and display latency, latency distribution and packet loss. SmokePing uses RRDtool to maintain a longterm data-store and to draw pretty graphs, giving up to the minute information on the state of each network connection."
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Monitoring Network Latency With Smokeping (Debian Etch)
