Tag Archives: Wireshark

decoding vlan.dat

I was trying to find out where vtp transparent switches stored the vtp information that they pass on to other switches (I’m now of the opinion that they don’t – I think they simply read vtp frames, check them for … Continue reading

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Broadcom NIC won’t capture in promiscuous mode

I had a bunch of Windows XP PCs with Broadcom NetXtreme Gigabit Ethernet Adapters that refused to capture (in Wireshark) traffic that had been directed to it using a monitor session command (on a Cisco switch). It would see broadcast … Continue reading

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