Re: [Idr] router id

Job Snijders <job@instituut.net> Wed, 01 April 2020 22:12 UTC

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Date: Wed, 1 Apr 2020 22:12:00 +0000
From: Job Snijders <job@instituut.net>
To: Randy Bush <randy@psg.com>
Cc: Interminable Discussion Room <idr@ietf.org>
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Subject: Re: [Idr] router id
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On Wed, Apr 01, 2020 at 03:07:45PM -0700, Randy Bush wrote:
> i have a vague memory that when v6 came along we 'fessed up to router id
> being essentially a nonce, though with preferred values.  is there a ref
> somewhere?  thanks.

Section 4 https://tools.ietf.org/html/rfc2545

  "... The BGP Identifier is a 32 bit unsigned integer exchanged between
  two peers at session establishment time, within an OPEN message. This
  is a system wide value determined at startup which must be unique in
  the network and should be derived from an IPv4 address regardless of
  the network protocol(s) a particular BGP-4 instance is configured to
  convey at a given moment."

Kind regards,

Job