Ethernet OAM Tutorial Srinath Beldona [email protected] Technical Marketing Engineering, Edge Routing Business Unit Yogesh Jiandani [email protected] Consulting Systems Engineer, India and SAARC Region 1 Presentation_ID ©2006 Cisco Systems, Inc. All rights reserved. Cisco Confidential HOUSEKEEPING (cid:131) We value your feedback, Please don’t forget to complete your online session evaluations after each session Please don’t forget to complete the Overall Conference Evaluation which will be available online (cid:131) Please switch off your mobile phones! Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 2 Agenda (cid:131) Review of Metro Ethernet technologies & Ethernet OAM (cid:131) Manageability to the Customer Premises (cid:131) Ethernet OAM Overview (cid:131) Ethernet OAM Deployment Overview (cid:131) 802.1ag Connectivity Fault Management for Services Management (cid:131) 802.3ah for Ethernet in the First Mile for Connectivity Verification (cid:131) Metro Ethernet Forum MEF-16 E-LMI for Rapid Service Deployment (cid:131) Ethernet OAM Interworking (cid:131) Summary Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 3 Metro Ethernet – Deployment scenarios IInntteeggrraatteedd SSyysstteemm Full Service Efficient Large Scale Intelligent Multi-service Intelligent Efficient Full Service Customer Access Aggregation Edge Core Edge Access Customer Equipment Equipment SSii User Facing Provider Edge (U-PE) Metro C Metro A U-PE PE-AGG Hub & 10/100/ 10/100/ GE Ring SSii Spoke 1000 Mbps 1000 Mbps P P U-PE N-PE MMPPLLSS//IIPP//TTDDMM 10/100/ Metro B 1000 Mbps N-PE P P SONET/SDH 1 DCWDWDMM/ Ring 1000 0/100/ M b p s N-PE U-PE U-PE Metro D Internet Network Facing Provider Edge (N-PE) Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 4 Metro Ethernet—Service Descriptions CC EEtthheerrnneett WWiirree SSeerrvviiccee——EEWWSS SP ((LLiikkee aa LLeeaasseedd LLiinnee)) AA Network BB CC EEtthheerrnneett RReellaayy SSeerrvviiccee——EERRSS SP ((LLiikkee FFrraammee RReellaayy)) AA Network BB EEtthheerrnneett MMuullttiippooiinntt SSeerrvviiccee——EEMMSS SP ((EEnnhhaanncceedd wwiitthh VVPPLLSS,, PPoorrtt MMaappppiinngg)) Network EEtthheerrnneett RReellaayy MMuullttiippooiinntt SSeerrvviiccee——EERRMMSS SP ((NNeeww sseerrvviiccee wwhheerree tthhee SSPP cclloouudd aaccttss lliikkee Network aa LLAANN,, VVLLAANN MMaappppiinngg)) Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 5 IETF Terminology for Metro Ethernet CCCooorrreee DDDeeevvviiiccceee (((PPP))) FFrraammee FFoorrwwaarrddiinngg,, CCoonnggeessttiioonn MMaannaaggeemmeenntt P Emulated VC EEEmmmuuulllaaattteeeddd VVVCCC EEEnnndddpppoooiiinnnttt (((NNNeeetttwwwooorrrkkk PPPEEE,,, NNN---PPPEEE))) *** specific for (Pseudowire) MMPPLLSS//LL22TTPPvv33 ppsseeuuddoowwiirree eennccaappssuullaattiioonn,, LL22 IInntteerrwwoorrkkiinngg,, Ethernet: IIPP SSeerrvviiccee IInntteeggrraattiioonn,, CCoonnggeessttiioonn MMaannaaggeemmeenntt,, LL33VVPPNN VPLS N-PE IInntteerrccoonnnneeccttiioonn ((ffoorr PPEEss ssuuppppoorrttiinngg tthhaatt ffuunnccttiioonn)) Bridging RReeppllaacceess PPEE--PPOOPP AAAggggggrrreeegggaaatttiiiooonnn DDDeeevvviiiccceee (((PPPEEE---AAAGGGGGG))) Extension VC PE-AGG TTrraaffffiicc AAggggrreeggaattiioonn aanndd CCoonnggeessttiioonn MMaannaaggeemmeenntt ((NNoottee:: PPEE--AAGGGGss aanndd EExxtteennssiioonn VVCC’’ss aarree ffoorrmmaallllyy iiddeennttiiffiieedd iinn SSwwiittcchheedd EEtthheerrnneett AAcccceessss DDoommaaiinnss,, aalltthhoouugghh tthhee ffuunnccttiioonnss eexxiisstt iinn FFRR aanndd AATTMM nneettwwoorrkkss aass wweellll..)) U-PE AAAttttttaaaccchhhmmmeeennnttt VVVCCC UUUNNNIII EEEnnndddpppoooiiinnnttt (((UUUssseeerrr PPPEEE,,, UUU---PPPEEE))) *** AAddmmiissssiioonn CCoonnttrrooll,, PPoolliiccyy EEnnffoorrcceemmeenntt,, CCllaassssiiffiiccaattiioonn,, specific for Attachment PPoolliicciinngg && MMaarrkkiinngg,, CCoonnggeessttiioonn mmaannaaggeemmeenntt,, SSLLAA Ethernet: VC mmoonniittoorriinngg aanndd rreeppoorrttiinngg,, VVCC MMaappppiinngg ttoo LL11 CChhaannnneell,, Bridging CE VVCC--IIDD ttrraannssllaattiioonn,, RReeppllaacceess UU--PPEE Note: These different roles can be collapsed within a single box ** For More Information refer to http://www.ietf.org/internet-drafts/draft-ietf-ppvpn-l2-framework-03.txt Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 6 Review of OAM Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 7 OAM &P: The Concept (cid:131) Operations, Administration, Maintenance & Provisioning: − fault indication − performance monitoring − security management − diagnostic functions − configuration & service provisioning (cid:131) OAM covers both N(cid:197)(cid:198) S and W(cid:197)(cid:198)E interfaces Management Plane N (NMS / EMS) (cid:197) (cid:198) S Network Plane (NEs) W (cid:197)(cid:198) E Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 8 OAM &P: The Concept (cid:131) Operations, Administration, Maintenance & Provisioning: − fault indication − performance monitoring − security management − diagnostic functions − configuration & service provisioning (cid:131) OAM covers both N(cid:197)(cid:198) S and W(cid:197)(cid:198)E interfaces Management Plane N (NMS / EMS) (cid:197) Primary Focus of Ethernet OAM protocols is on W (cid:197)(cid:198) E in(cid:198)teractions S (across NEs) Network Plane (NEs) W (cid:197)(cid:198) E Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 9 OAM Layering Operator A Operator B E A A E d d T T g g M M e e C B s s B R R R B B S S R C u r w w r o o o r r w w o u Bridstom idge itch itch idge uter uter uter idge idge itch itch uter Bridstom geer geer Ethernet Ethernet 10G ATM over SONET over MPLS Ethernet RFC1483 Service Layer Service OAM Network Layer Network Network OAM OAM Ethernet Transport Layer SONET MPLS Link ATM OAM OAM OAM OAM (cid:131) Model is iterative (layer stacking) & relative (service layer for Operator is transport layer for SP) (cid:131) Each Layer supports its own OAM mechanisms (cid:131) Inter-working across and within OAM layers is possible Ethernet OAM Tutorial ©2006 Cisco Systems, Inc. All rights reserved. 10