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I have Wireshark started, then I ping an IP address.

But Wireshark is not picking up any packet sending to or receiving (echoing) from the destination address.

Why? Is ping "protected" from being sniffed?

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You probably just started Wireshark on the wrong network interface. – grawity Mar 1 '12 at 13:09
It's not. Wireshark sniffs ICMP. You're doing something wrong, but we cannot guess if you give no details. – m0skit0 Mar 1 '12 at 13:28
If you have started Wireshark on all network interfaces and this is Windows, then AFAIK you won't be able to capture any traffic (incl. pings) on loopback interface ( due to the way Windows network stack works. – whitequark Mar 1 '12 at 16:05

Make sure you aren't filtering the results
- ensure wireshark is capturing and displaying everything not just IP or TCP (ICMP is a different protocol - Ensure you are looking at the correct network interface

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how can we check if we are filtering anything like ipv4 or ICMP (with the display filter being cleared)? – Stack Player Apr 7 '14 at 21:02

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