TRILL Fault Management
draft-tissa-trill-oam-fm-01

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TRILL Working Group                                  Tissa Senevirathne
Internet Draft                                              Norman Finn
Intended status: Standard Track                             Samer Salam
                                                           Deepak Kumar
                                                                  CISCO

                                                        Donald Eastlake
                                                             Sam Aldrin
                                                              YiZhou Li
                                                                 Huawei

                                                      February 17, 2013
Expires: August 2013

                          TRILL Fault Management
                      draft-tissa-trill-oam-fm-01.txt

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   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors. All rights reserved.

Senevirathne           Expires August 17, 2013                 [Page 1]
Internet-Draft          TRILL Fault Management            February 2013

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Abstract

   TRILL OAM Fault Management solution is presented in this document.
   Methods proposed in this document follow the IEEE 802.1 CFM
   framework and reuse OAM tools where possible. Additional messages
   and TLVs are defined for TRILL specific applications or where
   different set of information is required than IEEE 802.1 CFM.

Table of Contents

   1. Introduction...................................................4
   2. Conventions used in this document..............................4
   3. General Format of TRILL OAM frames.............................5
      3.1. Identification of TRILL OAM frames........................7
      3.2. Use of TRILL OAM Flag.....................................7
         3.2.1. Handling of TRILL frames with "A" Flag...............8
      3.3. Backwards Compatibility Method............................8
      3.4. OAM Capability Announcement...............................9
   4. TRILL OAM Layering vs. IEEE Layering..........................10
      4.1. Processing at ISS Layer..................................11
         4.1.1. Receive Processing..................................11
         4.1.2. Transmit Processing.................................11
      4.2. End Station VLAN and Priority Processing.................11
         4.2.1. Receive Processing..................................11
         4.2.2. Transmit Procession.................................11
      4.3. TRLL Encapsulation and De-capsulation Layer..............11
         4.3.1. Receive Processing for Unicast packets..............11
         4.3.2. Transmit Processing for unicast packets.............12
         4.3.3. Receive Processing for Multicast packets............12
         4.3.4. Transmit Processing of Multicast packets............13
      4.4. TRILL OAM Layer Processing...............................14
   5. Maintenance Associations (MA) in TRILL........................15
   6. MEP Addressing................................................16
      6.1. Use of MIP in TRILL......................................19
   7. Approach for Backwards Compatibility..........................21
   8. Continuity Check Message (CCM)................................22
   9. TRILL OAM Message Channel.....................................24
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