nanog mailing list archives

Re: FreeBSD's ping Integrates IPv6


From: Owen DeLong via NANOG <nanog () nanog org>
Date: Sat, 3 Jul 2021 20:51:09 -0700

Linux did this quite some time ago. I guess BSD is just now catching up.

Owen


On Jul 2, 2021, at 7:30 AM, Mark Tinka <mark@tinka.africa> wrote:



On 7/2/21 16:22, Niels Bakker wrote:


Yes, this broke some of my home network monitoring. Sadly there is no 'ping4' in the system, you have to add -4 to 
the commandline to return to the common BSD behaviour.

This is a good point, as it's the same reason I discovered this today. A transient IPv6 issue on a specific host 
broke NTP, and when I tried to ping the NTP time servers during troubleshooting, it hang for a while because IPv6 was 
broken.

Mark.


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