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Re: [babel] [netmod] NULL value for uint16

Juliusz Chroboczek <jch@irif.fr> Tue, 14 September 2021 11:29 UTC

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Date: Tue, 14 Sep 2021 13:29:27 +0200
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From: Juliusz Chroboczek <jch@irif.fr>
To: tom petch <ietfc@btconnect.com>
Cc: "STARK, BARBARA H" <bs7652@att.com>, 'Juergen Schoenwaelder' <j.schoenwaelder@jacobs-university.de>, 'Mahesh Jethanandani' <mjethanandani@gmail.com>, 'Babel at IETF' <babel@ietf.org>, "'netmod@ietf.org'" <netmod@ietf.org>
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Subject: Re: [babel] [netmod] NULL value for uint16
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>> the Babel RFC makes it clear that 0 is a valid value that must not be
>> confused with NULL.

This is true for both seqnos and metrics.  A route with metric 0 is
perfectly valid, and in fact the value 0 is the default for a directly
connected prefix.

-- Juliusz

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