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howtos:tcpdump

tcpdump goodies

Capture only PXE traffic (tftp and dhcp requests)

sudo tcpdump -i eth0 -s 1600 -neeevvvX "proto (\udp or \tcp) and port (67 or 68 or 69)"

The same but with a more simple output:

sudo tcpdump -i eth0 -s 1600 -n "proto (\udp or \tcp) and port (67 or 68 or 69)"
howtos/tcpdump.txt · Last modified: 02/12/2018 20:34 by 127.0.0.1