Capturing Light

How do you go about catching the one of the fastest things known to man (light) at a specific point in time with pinpoint accuracy over and over again? With a little patience and your network card, of course! This post is an introduction to the process of capturing network traffic (aka "sniffing" or "tracing"). [...]

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Classic Performance Example

*Disclaimer: all captures in this post were anonymized using TraceWrangler.   I was recently asked to help with a performance issue. I was informed a transfer was going to take weeks instead of a couple days as expected. The transfer rate was getting 80Mbps throughput max on a 10Gbps connection. So, I setup captures at [...]

IPv6

As of a couple of weeks ago, I began my adventure into IPv6. My ISP does not currently support native IPv6, so I used Hurricane Electric's (HE) tunnel broker service http://tunnelbroker.net. I also opted to use their DNS service (minimally) and start their IPv6 certification process. While they have some documentation it is still a bit [...]