Steve's random ramblings and technical notes

Thursday, October 21, 2004

Ethereal: Capturing only Cisco Discovery Protocol (CDP) Packets.

Ethereal: Capturing only Cisco Discovery Protocol (CDP) Packets.: "Capturing only Cisco Discovery Protocol (CDP) Packets"

boils down to this filter (on one line)

ether[12:2] <= 1500 && ether[14:2] == 0xAAAA && ether[16:1] == 0x03 && ether[17:2] == 0x0000 && ether[19:1] == 0x0C && ether[20:2] == 0x2000
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