Usually when we admin a network, we need to know what are the protocols used more frequently, and why not, discover if someone are using improper P2P software; so we can use SPAN. The Switched Port Analyzer (SPAN) feature, which is sometimes called port mirroring or port monitoring, selects network traffic for analysis by a […]
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I have decided to write this tutorial (only for test purpose) to show how it is simple decode a G.729 stream using SPAN port, Wireshark, VoiceAge G.729 decoder and Audacity software. What is G.729? G.729 is an audio data compression algorithm for voice that compresses digital voice in packets of 10 milliseconds duration. It is […]
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The Switched Port Analyzer (SPAN) feature, which is sometimes called port mirroring or port monitoring, selects network traffic, from a switched port, for analysis by a network analyzer. Unfotunately this feature works only on switches or switches Layer3. And in a router, what can I do to copy the traffic? In a previous article, I […]
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Do you remember the article “How to analyze traffic with SPAN feature“? The SPAN port is a feature that mirror traffic (on physical or virtual port) to a specific port. In general, behind this ‘destination’ port can be a traffic analyzer (wireshark, ntop and so on…), an IDS or other appliances. The SPAN feature is […]
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