On 2022-02-10 11:42, John Todd wrote:

"The Prudent Mariner never relies solely on any single aid to navigation"

It's best to ping multiple targets, and take action only if all targets do not return replies.

For route tracking a la $VENDOR_C's IP SLA, if possible, we'll ping next-hop IP, one target on our network, and one off our network. Withdraw the default route only if all three targets fail to return replies.

John Todd - jt...@quad9.net
General Manager - Quad9 Recursive Resolver

./btk

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