tcmdump check ping

tcpdump -nni eth0 -e icmp[icmptype] == 8
capture only ping echo requests with tcpdump
Sample Output
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
01:02:26.801406 00:15:c7:09:fc:00 > d4:ae:52:d1:78:6d, ethertype IPv4 (0x0800), length 74: x.x.x.x > x.x.x.x: ICMP echo request, id 62464, seq 11, length 40

By: siamware
2014-06-08 18:13:24

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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