Google Engineer. Dual CCIE #38070. JNCIE-SP #2227
My last post about Traceroute over here: http://mellowd.co.uk/ccie/?p=609 – got some interesting conversation going on in the comments. Basically there is quite a big difference in the way in which Windows and Linux handle traceroute. I tested on both Windows 7 and Ubuntu 10.04, but my guess is that all Windows follow the same format…
Traceroute is a powerful tool. Extremely useful when checking the path of a packet through the network. But how does it ACTUALLY work? What is REALLY going on? Layer3 packets all have a TTL. A Time To Live. If a router receives a packet with a TTL of 1 (and the packet is addresses to…
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