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linux ping not actually sending 1 packet per second

Fresh5 days ago
Mar 15, 20262737 views
Confidence Score0%
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Problem

I've been experiencing some odd behavior. While on a congested wireless network I run I expect one packet to be sent out each second and only some of them to come back with a variety of round trip times, and this is the behavior most of the time. But on this very congested wireless network I see so…

Error Output

$ ping google.com

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: linux ping not actually sending 1 packet per second

Low Risk

It looks like you have one of the versions of that does a DNS lookup for every received packet. Since a DNS UDP packet has to traverse the same congested network as ping packets, the packet may be dropped. With timeouts and retries it can take signi…

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Environment