Jin Qian

February 3, 2011
Troubleshooting 101: Packet Captures and TFTP: QA engineers like myself spend a lot of time validating our own products, but in our jobs we also end up troubleshooting plenty of other network and data center devices. When you’ve been doing this kind of work long enough, the process of solving these problems becomes much more automatic, but I thought it might be useful for some readers to walk through the steps I took during a recent troubleshooting job on a piece of network equipment we use in our lab. That way, you can see the logic I followed and the tools I used.
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November 23, 2010
Getting the Most Out of Customized Network Neighborhoods in the BreakingPoint Storm CTM: In this post, we’ll talk about how to get the most out of the BreakingPoint Storm CTM by customizing the settings under the Network Neighborhood configuration feature. Our experience working directly with customers tells us that effective Network Neighborhood settings make our machine even more powerful for diagnosing and improving the performance, stability, and security of your network infrastructure. Whether your setup is simple or complex, taking the right Network Neighborhood approach will make your life easier—so read on to find out how!
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March 15, 2010
Dig pcap File For Fun and Productivity: Having worked with networking gear for many years I thought it was about time to jump in and post something to our blog, and why not start by talking about pcap files. As most of you already know, when testing and providing support of networking products, it is common that you will get a big pcap file. Often the file can be so big that it is at best slow when opening in Wireshark, or at worst it may be impossible. Make no mistake, I am a big fan of Wireshark and can not remember a day here on the job where I didn't use this wonderful tool. But the question is, how do you complete tasks such as "grab some TCP sessions where there is no data from server" if opening a 200MB pcap file crashes Wireshark every time?
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