Instruction/ maintenance manual of the product 3.6 Cisco Systems
Go to page of 68
Americas Hea dquarters Cisco System s, Inc . 170 West Ta sman Driv e San Jos e, CA 95134 -1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553- NETS (638 7) Fax: 408 527-0883 Cisco A ctiv e Netw ork Abstraction F ault Management User Guide V er sion 3.
THE SOFTWARE LICENSE AND LIMITED WARRA NTY FOR THE ACCOMPANYING PRO DUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCOR PORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LO CATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTAC T YOUR CISCO REPRESENTATIVE FOR A COPY.
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.
An important point after buying a device Cisco Systems 3.6 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems 3.6 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco Systems 3.6 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems 3.6 you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems 3.6 will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems 3.6, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco Systems 3.6.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems 3.6. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems 3.6 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
