PROBE: A Utility For Probing Interfaces
draft-ietf-intarea-probe-09

Document Type Active Internet-Draft (intarea WG)
Last updated 2017-12-13 (latest revision 2017-12-12)
Replaces draft-bonica-intarea-eping
Stream IETF
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INTAREA                                                        R. Bonica
Internet-Draft                                                 R. Thomas
Updates: 4884 (if approved)                             Juniper Networks
Intended status: Standards Track                              J. Linkova
Expires: June 15, 2018                                            Google
                                                               C. Lenart
                                                                 Verizon
                                                            M. Boucadair
                                                                  Orange
                                                       December 12, 2017

                PROBE: A Utility For Probing Interfaces
                      draft-ietf-intarea-probe-09

Abstract

   This document describes a network diagnostic tool called PROBE.
   PROBE is similar to PING, in that it can be used to query the status
   of a probed interface.  It differs from PING in that it does not
   require bidirectional connectivity between the probing and probed
   interfaces.  Instead, PROBE requires bidirectional connectivity
   between the probing interface and a proxy interface.  The proxy
   interface can reside on the same node as the probed interface or it
   can reside on a node to which the probed interface is directly
   connected.  This document updates RFC 4884.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   This Internet-Draft will expire on June 15, 2018.

Bonica, et al.            Expires June 15, 2018                 [Page 1]
Internet-Draft                    PROBE                    December 2017

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Requirements Language . . . . . . . . . . . . . . . . . .   4
   2.  ICMP Extended Echo Request  . . . . . . . . . . . . . . . . .   4
     2.1.  Interface Identification Object . . . . . . . . . . . . .   6
   3.  ICMP Extended Echo Reply  . . . . . . . . . . . . . . . . . .   7
   4.  ICMP Message Processing . . . . . . . . . . . . . . . . . . .   9
     4.1.  Code Field Processing . . . . . . . . . . . . . . . . . .  10
   5.  Use-Cases . . . . . . . . . . . . . . . . . . . . . . . . . .  11
   6.  Updates to RFC 4884 . . . . . . . . . . . . . . . . . . . . .  12
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  14
   Appendix A.  The PROBE Application  . . . . . . . . . . . . . . .  15
   Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   Network operators use PING [RFC2151] to test bidirectional
   connectivity between two interfaces.  For the purposes of this
   document, we will call these interfaces the probing and probed
   interfaces.  PING sends an ICMP [RFC0792] [RFC4443] Echo Request
   message from the probing interface to the probed interface.  The
   probing interface resides on a probing node while the probed
   interface resides on a probed node.

   If the probed interface receives the ICMP Echo Request message, it
   returns an ICMP Echo Reply.  When the probing interface receives the
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