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November 29, 2011 14:54
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Monitor DHCP traffic with tcpdump
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| # Monitoring on interface eth0 | |
| tcpdump -i eth0 -n port 67 and port 68 |
tcpdump -i eth0 -pvn port 67 and port 68
Thanks, it works
capture dhcpv6 packets
tcpdump -i eth0 -n -vv '(udp port 546 or port 547)'
We can get more tcpdump examples from here.
it's good!
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tcpdump -Z slawka -z gzip -i eth0 -A -s65535 -G 1800 -C 50 -w /home/slawka/trace/dhcp_eth0.pcap port 67 and port 68 &
Background Rotate 1800 second or 50 MB