jmitchel,
That's actually very weird, because ping *does* cache (and incorrectly: https://bugs.launchpad.net/ubuntu/+source/iputils/+bug/1405232).
jmitchel,
That's actually very weird, because ping *does* cache (and incorrectly: https:/ /bugs.launchpad .net/ubuntu/ +source/ iputils/ +bug/1405232).