Cisco Systemsメーカー3.6の使用説明書/サービス説明書
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iii Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 CONTENTS About Th is Guide vii Obtain ing Documentati on, Obtaining Su pport, an d Security Gui.
Cont ents iv Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Correl ating TCA 3-4 CHAPTER 4 Advanced Corr elation Scenarios 4-1 Device Un reach.
Cont ents v Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 CHAPTER 5 Correla t ion Over Unmanaged Segments 5-1 Cloud VNE 5-1 Types of Unmanaged Ne.
Cont ents vi Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 APPENDI X B Event and Ala r m Correlat ion Flow B-1 Softw are F uncti on Ar chit e.
vii Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 About This Guide This gui de includes the follo wing chapte rs: • Chapte r 1, “Fault Mana gement O verview” —Descri bes how to manage e vents, and in troduces som e of the key concepts of Cis co ANA alarm m anagem ent.
viii Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 About Thi s Guide Obtaining D ocumentat ion, Obtaini ng Support, and Security Gui delines.
CH A P T E R 1-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 1 Fault Management Overview This ch apter de scribes the chal lenge of managin g an ov erab undan ce of e ve nts, and introd uces som e of the key co ncepts of Cisco AN A ala rm m anagemen t.
1-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 1 F ault Management Ov erview Basic Conce pts and Ter ms Figur e 1 -1 Eve nt Flood .
1-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 1 Fault Manage ment Overv iew Basic Concep ts and Ter ms • Card out • An alarm is comp osed of a seq uence of e vents, each repres enting a speci fic point in the ala rm’ s lifecyc le.
1-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 1 F ault Management Ov erview Basic Conce pts and Ter ms Note The ev ent types that will b elong to each sequence can be config ured in the system re gistry .
1-5 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 1 Fault Manage ment Overv iew Basic Concep ts and Ter ms Figu re 1 -4 Flap ping Event Correlation By Root Cau se Root cause correlation is d etermin ed bet ween alarms or e vent sequen ces.
1-6 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 1 F ault Management Ov erview Severity Propag ation From an operato r’ s point of vie w , the managed entity is always a co mplete tick et.
1-7 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 1 Fault Manage ment Overv iew Even t Proc essin g Over view The pr opagate d se verity of the a larm (th e whole e ven t sequen ce) is al wa ys det ermined b y the last e vent in the sequence .
1-8 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 1 F ault Management Ov erview Event Proces sing Overv iew.
CH A P T E R 2-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 2 Fault Detection and Isolation This ch apter descr ibes unrea chab le network e lemen ts and t he sourc es of alar ms on d e vices .
2-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 2 Fault Detection and Isolation Unreachabl e Network El ements Each of these sc enario s hav e two possi ble set tings in the reg istry , name ly: • track reac hability (true/fa lse).
2-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 2 Fault Detec tion and Isolat ion So urces of Alarms On a De vice Sources of Alarms On .
2-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 2 Fault Detection and Isolation Inte grity S ervice For example, this lin e in crontab runs the file e very _12_hours. cmd at 11:0 0AM and 11:00 PM: 0 11,23 * * * local/cron/every_12_hours.
CH A P T E R 3-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 3 Cisco ANA Event Correlation and Suppression This c hapter d escribes ho w Ci sco.
3-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 3 Cisco ANA Ev ent Co rrelati on and Suppression Root-Cause Cor relation Proce ss Root-Cause Correlati on Process Root-cause corr elation is implemen ted in v arious stages within the Cisco AN A VNEs.
3-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 3 Cisco ANA Event Corre lation and Supp ression Root-Ca use Alarms Root-Cause Alarms Potential r oot-cau se alarm s ha ve a determin ed weigh t accordin g to th e specif ic ev ent customizatio n.
3-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 3 Cisco ANA Ev ent Co rrelati on and Suppression Correlation Fl ows This method is usually ap plicable for problems in the networ k layer and abo ve (OSI network model) that might be caused due to a problem upstream or down stream.
CH A P T E R 4-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 4 Advanced Correlation Scenarios This chapter d escrib es the s pecif ic alarms wh.
4-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s Device Un reachable Alarm Device Fault Identifi.
4-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios IP Interface Failure Scena rios Figur e 4-2 Device U.
4-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s IP Interface Fa ilure Scena rios The alar m’ s descript ion includes the f u ll name o f the IP interf ace, fo r ex ampl e Serial0.
4-5 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios IP Interface Failure Scena rios Where there is a m u.
4-6 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s IP Interface Fa ilure Scena rios Interface Example 1 In thi s example there i s multi point con nectivity between a PE an d numb er of CE s throug h an unm anag ed Frame Rela y network.
4-7 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios IP Interface Failure Scena rios • An ip interfa ce status down alar m is generated on the PE.
4-8 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s IP Interface Fa ilure Scena rios Figu re 4-6 Inte rf ace Exam ple 4 The foll o wing fa ilures are identif ied in the net work: • A link-down alarm is gene rated on Seria l0/0.
4-9 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios IP Interface Failure Scena rios The fol lo wing cor .
4-10 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s IP Interface Fa ilure Scena rios The foll o wing fa ilures are identif ied in the net work: • A link- do wn ala rm is ge nerated on the PE .
4-11 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios Multi Route Correla tion Multi Rout e Correlation T.
4-12 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s Multi Route Correla tion Figur e 4-1 1 Multi Rou te Cor relat ion Example 2 In this case the system will prov ide the follo wing report: • Root c ause—D evice Unre achable .
4-13 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios Generic Routing Encapsulation (GRE) Tunnel Down/Up Multi Route Correlation Example 4 In this e xample, two path s exists fr om CE1 to PE2.
4-14 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s Generic Routin g Encapsul ation (GRE) Tun nel Down/U p Note Th e GRE Tunnel Alarm Down is suppo rted only on GRE tu nnels th at are co nfigured wi th keepalive.
4-15 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios Generic Routing Encapsulation (GRE) Tunnel Down/Up GRE Tunne l Down Correla tion Example 2 This e xample pro vides a real wor ld scenario, whereb y multiple GRE tunnels cross through a physic al link.
4-16 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s Generic Routin g Encapsul ation (GRE) Tun nel .
4-17 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 4 Adv anced Correlat ion Scenarios BGP Process Down Alarm BGP Process Down Alarm The BGP process down alarm is issued when the B GP process is shut down on a de vice.
4-18 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 4 Advanced Corr elation Sc enario s LDP Neighbor D own Alarm.
CH A P T E R 5-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 5 Correlation Over Unmanaged Segments This c hapter d escribes ho w Cisco ANA performs correlat ion dec isions over unmana ged segment s, namely , cl ouds.
5-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapt er 5 Correlat ion Over Unmanage d Segments Cloud VNE Fault Corre lation Across the Fr.
5-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 5 Corre lation Over Unm anaged Segm ents Clou d Problem Alarm Cloud Problem Alarm For some e vents, when th ere is no r oot c ause found , a s pecial cloud prob lem al arm is created.
5-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapt er 5 Correlat ion Over Unmanage d Segments Cloud Problem Ala rm.
CH A P T E R 6-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 6 Event and Alarm Con f iguration Parameters This chapte r describes the dif ferent options that e xist to modify the alarm beh avi or by editin g the appr opri ate al arm pa rameters in the syst em re gistry .
6-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 6 Event and A larm Configuration Parameters Event (Sub-Typ e) Configuratio n Parame.
6-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 6 Event and Alarm Conf iguration Par ameters Event (Sub-Type) Configuration P arameters For more inform ation a bout ro ot cause see Correl ati on B y Root Caus e, pa ge 1-5 .
6-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 6 Event and A larm Configuration Parameters Event (Sub-Typ e) Configuratio n Parame.
CH A P T E R 7-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 7 Impact Analysis This chapte r describes the impact analy sis functionalit y: • Impact Analys is Options —Describes au tomatic and proacti ve impact an alysis.
7-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 7 Im pact Analysis Impact Report Stru cture Note Each fault which ha s been identif ied as potenti ally service af fecting triggers a genera tion of impact analysi s calculatio n ev ent if it is r eoccu rring in the networ k.
7-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 7 Impact Analysis Impac t Analysis GUI Impact Analysis GUI The Impact Analy sis GUI is av ailable in Cisco AN A NetworkV ision and displays the list of af fected service resource s which are embedded in the ticket infor mation.
7-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 7 Im pact Analysis Impact Analy sis GUI • Name —The sub interf ace (site) name or busi ness tag na me of the af fected ele ment, if it e xists.
7-5 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 7 Impact Analysis Impac t Analysis GUI Figur e 7 -2 Detailed Report F or the Aff ected .
7-6 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 7 Im pact Analysis Disabling Im pact Analy sis Disabling I m pact Analysis Y ou can disabl e impact analys is for a specif ic alarm. This option c an be set in the Cisco AN A Regi stry .
7-7 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Chapter 7 Impact Analysis Accumulating Affected Parties • Link A down in cludes the acc umulation of t he report o f its o wn ev ent sequence . It also inc ludes the report of the BGP neigh bor loss.
7-8 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Chapter 7 Im pact Analysis Accumula ting Aff ected Partie s.
A- 1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 APPENDIX A Supported Service Alarms This appe ndix provides the list of serv ice alar ms that are sup ported by Cisco ANA 3.
A- 2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Appendix A Supported S ervice Alarms 3 All ip interf aces do wn Acti ve ip interfaces found Sent when all IP interf aces conf igured abo ve a physi cal port chan ge operat ing s tatus to dow n.
A-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Append ix A Supported Service A larms 11 Discar d Packets The port discard p ackets value has passed the conf igured se ttings. false tru e true MI NOR 0 12 Dropped Packets The port dro pped packe ts value has passed the conf igured se ttings.
A- 4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Appendix A Supported S ervice Alarms Shelf O ut Note The service al arms spe cifi ed in thi s guide are VNE-r elated and theref ore the lev el of support pro vided for eac h techn ology may vary .
A-5 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Append ix A Supported Service A larms Rx Dorma nt Rx Dormant An Rx Do rmant ala rm is issu ed w.
A- 6 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Appendix A Supported S ervice Alarms Link O ver Utiliz ed.
B-1 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 APPENDIX B Event and Alarm Corre l ation Flow This chapte r describes in detail the fl ow of alarms and e vents dur ing the correlatio n process. • Softwa re Fu nction Arch itectu re —P rovides an ev ent co rrelat ion flow di agram.
B-2 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Appendi x B Event and Ala rm Corr elati on Flow Software Func tion Architect ure Software F.
B-3 Cisco Active Network Abstraction Fault Management User Guide, Version 3.6 Service Pack 1 OL-14284-01 Append ix B Event and Alarm Correlation F low Event Correlati on Flow Event Correlat ion Flow E.
B-4 Cisco Acti ve Network Abst raction Fault Management User Guide, Ver sion 3.6 Ser vice Pack 1 OL-14284-01 Appendi x B Event and Ala rm Corr elati on Flow Event Correlat ion Flow If it is box-l e ve.
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