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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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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