Re: [Idr] I-D Action: draft-ietf-idr-rs-bfd-03.txt

John Scudder <jgs@juniper.net> Thu, 06 July 2017 03:21 UTC

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From: John Scudder <jgs@juniper.net>
To: "Jakob Heitz (jheitz)" <jheitz@cisco.com>
CC: idr wg <idr@ietf.org>
Thread-Topic: [Idr] I-D Action: draft-ietf-idr-rs-bfd-03.txt
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Date: Thu, 06 Jul 2017 03:21:10 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/zUTvIoeaBMQcUWcUmvevsuyuJCE>
Subject: Re: [Idr] I-D Action: draft-ietf-idr-rs-bfd-03.txt
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On Jul 5, 2017, at 5:13 PM, Jakob Heitz (jheitz) <jheitz@cisco.com<mailto:jheitz@cisco.com>> wrote:

With the nexthop address family, when BGP starts,
before the non-best paths will be sent,
 . the RS has to send all the nexthops,
. the client has to set up all the BFD sessions and
. the client has to send all the nexthop reachability info back to the RS.

If you read the draft carefully you'll see this is not the case. Unreported nexthops are specified as having implicit state "unknown" which is eligible for selection.

--John