Category Archives: Networking

Upstream AS traffic manipulation

I had a job interview with a large CDN and learned a new trick. Well, a new wrinkle on an old behavior. AS N represents the CDN, while AS X and Y are transit providers. Let’s say there is a … Continue reading

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Capturing Traffic in IOS

Just wanted to share a new trick. In the dark old days to verify traffic was flowing across an interface you would create an ACL that matched the interesting traffic and then run ‘debug ip packet’. This also required disabling … Continue reading

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How to complain

Cisco Live presents a unique meeting of the minds in a manner that I have yet to see replicated at other conferences (be they vendor sponsored or agnostic). The breadth of topics is quite wide, covering everything from BYOD enterprise … Continue reading

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