Cisco Systems UBR10012 manuale d’uso

Corporate He adquarters Cisc o Syst ems , Inc . 170 West Ta sman Drive San Jos e, CA 95 134-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553- NETS (638 7) Fax: 408 526-4100 Cisco uBR1 0 0 1 2 Univer sal Broadband Router T r oubleshooting Guide October 20 04 Text Pa rt Nu mber: OL-1237- 01[...]

THE SPECIFICATIONS AND INFORMATION REGARDING TH E PRODUCTS IN THIS MANUAL ARE SUBJE CT TO CHANGE WITHOUT NO TICE. ALL STATEMENT S, INFORMATI ON, AND RECOMMENDA TIONS IN T HIS MANUAL ARE BELIEVED TO BE ACCURATE BU T ARE PRESEN TED WITHOUT WARRANTY OF ANY KIND, E XPRESSED OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILI TY FOR THEIR APPLICATION OF ANY P[...]

iii Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 CONTENTS Preface vi i Pur pose vii Audienc e vii Document Organi zation vii i Relat ed D ocum ent atio n vii i Obtain ing Docu mentati on ix Cisco. com ix Orderi ng Documenta tion ix Document ation F eedback ix Obtain ing Tec hnical As sist ance x Cisco TAC Website x[...]

Cont ent s iv Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 PRE Module Not Suppo rted 3-2 PRE-1 Module Stat us Scre en 3-2 Bootin g Up with Redun dant PRE -1 Modules 3-3 PRE- 1 Module Faults 3-4 Ethern et Co nnectio n Probl ems 3-6 Consol e Port Se rial Conn ection Pr oblems 3-7 Troubl eshooti ng Common Syst em Probl[...]

Content s v Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 CHAPTER 5 Replacing or Recovering Passwords 7-1 Password Recove ry Procedu re Overvi ew 7-1 Password Recove ry Procedu re 7-1 APPENDI X A Unsupport ed Commands A- 1 Unsuppor ted Frame Re lay Comma nds A-1 HCCP Commands A-2 MLPPP Command s A-2 Unsuppor ted MPL[...]

Cont ent s vi Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01[...]

vii Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 Preface This gu ide docu ments p rocesses and pro cedu res f or user lev el ha rdware t rouble shootin g on the Cisco uBR10012 universal broadba nd rou ter. For co mplet e configurat ion inst ructions, please r efer to t he Cisco u BR10012 U niversal Broadband Rout e[...]

viii Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Preface Docum ent Organ izatio n Document Orga nization The sect ions of this gui de are as fo llows: Related Documentation When t roubles hooting the C isco uB R10012 ro uter, you sh ould use the Cisco uBR 10012 Unive rsal Br oadband R outer T r o ubleshoo ting G ui[...]

ix Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 Pre face Obtaining Documentat ion For more infor mation a bout the IO S software t hat run s on the Cisco uBR1 0012 rou ter, see the Cisco IOS comm and ref ere nce boo ks and con figuration g uide s: • Cisco Broadband Cable C ommand Refe r ence Guide —Des cr ibes [...]

x Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Preface Obtain ing Techni cal Ass istance Y ou can submi t commen ts by using the re sponse car d (if pre sent) beh ind the front cover of your documen t or by writi ng to the following a ddres s: Cisco Systems Attn: Custo mer Docu ment Or dering 170 W est T asman Dr i [...]

xi Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 Pre face Obtaining Additional Publications and Information TAC Case Priority Definitions T o ensure that all cases are reported in a standard format, Ci sco has established case prior ity defi nitions. Priority 1 (P1)—Y our netwo rk is “down” or the re is a crit[...]

xii Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Preface Obtainin g Addi tional Pub lications and Informat ion • T rainin g—Cisc o offers world-cla ss networking tra ining. C urren t offerings in network tra ining are listed a t this URL: http://www .cisco.com/en /US/learn ing/index .html[...]

C HAPTER 1-1 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 1 Basic Trouble shooting Tasks and Startup Issues This se ction descri bes th e basi c proce dure s that user s should perf orm bef ore underta king a deta iled troublesh ooting analysis of the Cisco uBR10 012 route r or loggin g a case with the Ci sco T ech[...]

1-2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapter 1 Basic Troub leshooti ng Tasks and St artup Is sues Confirmi ng the Hard ware Inst allation Confirming the Hardware Installation Start troublesho oting the installation b y issuing the show hardwar e comm and. Th e show hard ware comm and displ ays all hardwa[...]

1-3 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 1 Basic Tro ubleshoo ting Task s and Sta rtup Issu es Displaying the Cisco IOS Software Version 2 Gigabit Ethernet/IEEE 802.3 interface(s) 4 Cable Modem network interface(s) 509K bytes of non-volatile configuration memory. 125440K bytes of ATA PCMCIA card at [...]

1-4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapter 1 Basic Troub leshooti ng Tasks and St artup Is sues Display ing Syste m Environme nt Inform ation Displaying System Environment Informati on Use the show en vi ronment command t o display the basic system en vironmen t status , to verify the following: • Ma[...]

1-5 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 1 Basic Tro ubleshoo ting Task s and Sta rtup Issu es Cisco uBR10012 Syste m Startup Seq uence Figur e 1 -1 Har dwar e T r oubleshoo ting Flo w char t Cisco uBR10012 System Startup Sequence Ta b l e 1 - 1 de scribes t he visi ble sequ ence of events that oc c[...]

1-6 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapter 1 Basic Troub leshooti ng Tasks and St artup Is sues Cisco uBR10012 System Startup Seque nce T able 1 -1 Ci sc o uB R 1 0000 S er ies Sy st em S ta r t up Se qu en c e Start up Even t Event De scripti on PEM is po wered of f The F ault LE D on each PEM is l [...]

C HAPTER 2-1 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 2 PEM Faults and Fan Assembly Failures The follo w ing sections provide metho ds for troubleshootin g faults in volvi ng the Cisco uBR10012 DC Power Entry Mod ules (PE Ms), t he opt ional 24 00W AC-input p ower shelf, and fan a ssembly module . This chap ter[...]

2-2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 2 PEM Faults and Fan Assembly Fai lures AC PEM Fa ults Figur e 2-1 A C PEM F ro nt P anel Ta b l e 2 - 2 lists the AC PEM fault symptoms and cor recti ve actions. T able 2-1 A C PEM LEDs LED Color Descriptio n Power Green The PE M is on, is re ceiving power f[...]

2-3 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 2 PEM Faults and Fan As sembly F ailures DC PEM Faults Ti p Secu rely tighten the cap tiv e scre ws on your PEMs to prev ent height ened le vels of elec tromagne tic interf erence. DC PEM Faults On th e Cisco u BR10012 ro uter, two DC PEMs are i n a redunda n[...]

2-4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 2 PEM Faults and Fan Assembly Fai lures DC PEM Fa ults Figur e 2-2 DC PEM F r ont P anel (or iginal mode l, UBR1 0-PWR-DC) Figur e 2-3 DC PEM F r ont P anel (cur r ent mode l with alar m connect or , UBR1 0-PWR-DC-M) 56480 POWER MISWIRE FAU LT 62518 POW ER M [...]

2-5 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 2 PEM Faults and Fan As sembly F ailures 2400W AC-Input P ower Shelf Ta b l e 2 - 4 lists the DC PEM fault sympt oms and correcti ve actions. Ti p Secu rely tighten the cap tiv e scre ws on your PEMs to prev ent height ened le vels of elec tromagne tic interf[...]

2-6 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 2 PEM Faults and Fan Assembly Fai lures Other Elect rical Probl ems The power shelf i nclude s three 120 0-watt (W) A C-inp ut power modules t hat plug in to a comm on power backpl ane in th e 2400W A C-i nput power shelf. T wo 1200W AC-input power modules ar[...]

2-7 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 2 PEM Faults and Fan As sembly F ailures Fan Assembly Module Faults Check the s ite f or: • Improp erly gro unded equipment , particu larly equi pment racks and power gro unds • Fluctuat ing voltage, w hich ca n result f rom excessive pow er dra ins cause[...]

2-8 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 2 PEM Faults and Fan Assembly Fai lures Fan Asse mbly Mod ule Fa ults Figur e 2-6 F an Assembly Air Cir culation P att er n The LEDs on the front pane l indicate the curr ent status of the fa ns. Ta b l e 2 - 6 lists the fan assembl y module fault indicati on[...]

2-9 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 2 PEM Faults and Fan As sembly F ailures Fan Assembly Module Faults T able 2-6 F an Assembly Module F ault Indications and Recomm ended A ction Symptom Steps to T ake Fans O K LED is n ot lit 1. Make sure the fan assembly module is fully inserted into the cha[...]

2-10 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 2 PEM Faults and Fan Assembly Fai lures Fan Asse mbly Mod ule Fa ults[...]

C HAPTER 3-1 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 3 Troubleshooting PRE-1 Modules This cha pter desc ribes how to troubl eshoo t Performa nce Rou ting Engi ne (PRE-1 ) modul es. It pr ovides inform ation on tro ubleshoo ting PR E-1 fa ult sta tes, t he man agemen t Eth ernet po rt, and th e seri al por t. ?[...]

3-2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les PRE Modu le Not Supporte d PRE Module Not Sup ported The Ci sco uBR10 012 r outer supports only the PRE-1 module in Ci sco IO S Rele ase 12. 2(8)BC1 , an d later release s. If you attempt to boot the Ci sco uBR10012 route[...]

3-3 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Booting Up with Redundant PRE-1 Modules Booting Up with Redundan t PRE-1 Modules When two PRE-1 modu les are installed i n the Cisco u BR10012 ro uter, t he ac tiv e PRE-1 modul e is whiche ver module that first loads the C i[...]

3-4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les PRE-1 Modul e Faults • V erif y th at both PRE-1 modules a re boot ing the same version of Cisco I OS soft ware. Slight v ariat ions in the load ing of dif ferent images co uld allo w the slot B PRE- 1 module to bo ot f[...]

3-5 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules PRE-1 Module Faults Figur e 3-1 PRE-1 F acepla te and LEDs Ta b l e 3 - 2 lists the P RE-1 fault indicati ons and recommended ac tions. T he informatio n conta ined in t he table is base d on t he assump tion th at y ou have [...]

3-6 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Ethernet Connectio n Problems Ethernet Connection Problems If the manage ment Fast Ethernet interf ace (F0/ 0/0) on the PRE-1 fails to w ork properly , and the corresp ondin g Link LED is not lit (ste ady green ): • V i[...]

3-7 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Consol e Port S erial C onnect ion Pr oblems Step 2 Check that the Et hernet port in quest ion is assigned a v alid IP address. For more inform ation about configuring Eth ernet por ts, refe r to the Cisco uB R100 12 Universa[...]

3-8 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems Step 8 The consol e can be froz en if the PRE -1 proce ss is ge neratin g a la rge volume of d ebug message s. If this is the case , hit the retu rn ke y a coup le of times and t[...]

3-9 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Troubl eshooti ng Common Sys tem Proble ms For additional informatio n on troubleshooting system crashe s, see the follo wing URLs: • T roubleshooting Ro uter Crashes , at the follo wing URL: http://www .cisco.com/en/US/pro[...]

3-10 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems In additio n, the Cisco CMTS ro uter au tomatical ly monitors ARP traf f ic and enter s the IP addr esses found in ARP r eques ts into its own ARP table , in the expecta tion th[...]

3-11 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Troubl eshooti ng Common Sys tem Proble ms CPUHOG Errors The rou ter displays a %SYS -3-CPUHOG err or message when a process is using an excessi ve amount o f processo r cycles. For example, usin g the loggi ng buffered comm[...]

3-12 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems For informat ion on resol ving prob lems with high CPU usage ca used by the Exec and V irtua l EXEC processes, see the docume nt High CPU Ut ilization in E xec and V irtual Exec[...]

3-13 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Troubl eshooti ng Common Sys tem Proble ms Fo r more informati on, se e the docu ment T r oubleshooting High CPU Utilization Due to Pr ocesses , at the following U RL: http://www .cisco.com/en /US/products/hw/ro uters/ps35 9[...]

3-14 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems Cisco Internetwork Operating System Software IOS (tm) 10000 Software (UBR10K-P6-M), Experimental Version 12.2(20031215:22350] Copyright (c) 1986-2003 by cisco Systems, Inc. Comp[...]

3-15 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Troubl eshooti ng Common Sys tem Proble ms Ti p The most effect i ve w ay of using the Output Inter preter tool is to cap ture the output of the show stacks and show tech-support comma nds an d uploa d the output into the to[...]

3-16 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems Fatal Ali gnment Errors If the alignment er ror wa s a fa tal error , it display s a message similar to the follo wing: %ALIGN-1-FATAL: Corrupted program counter error. ERROR: S[...]

3-17 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Troubl eshooti ng Common Sys tem Proble ms System returned to ROM by processor memory parity error at PC 0x60301298, address 0x0 at 17:19:47 PDT Mon Dec 15 2003 System restarted at 17:19:47 PDT Mon Dec 15 2003 ... Router# Pa[...]

3-18 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems The syste m also allo cates pu blic pools in a number of di f fer ent sizes for more gene ral use. If a pac ket requires special handl ing, or if a packet c annot be com pletely[...]

3-19 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 3 Troubleshoot ing PRE-1 Mo dules Troubl eshooti ng Common Sys tem Proble ms Spurious Memory Accesses A spurio us memor y access o ccurs when a C isco IOS s oftwar e proces s attempts to access me mory in the lowest 16 K B region o f me mory , which is a res[...]

3-20 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Cha pter 3 Trou bl eshoo ti ng P RE-1 Modu les Troublesho oting Co mmon Sy stem Pr oblems[...]

C HAPTER 4-1 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 4 Troubleshooting Line Cards This c hapter d iscus ses trou bleshoot ing fau lts on the f ollowing Cisco uB R10012 line cards: • Gene ral I nfo rmat ion fo r T rouble sho otin g Li ne Ca rd C rashe s, page 4-2 • T roublesh ooting the Timing, Com muni cat[...]

4-2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s General Information for Troub leshooting Line Card Cras hes General Informa tion for Troubl eshooting Line Ca rd Crashes Line car d crashes occur wh en the hardw are or so ftwa re encoun ter une xpect ed situat ions that are no[...]

4-3 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds General Information for Troubleshooting Line Card Crashes Slot 5/1: 0 crashes Slot 6/0: 0 crashes Slot 6/1: 0 crashes Slot 7/0: 0 crashes Slot 7/1: 0 crashes Slot 8/0: 0 crashes Slot 8/1: 0 crashes Router# Step 6 Afte r identify[...]

4-4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s General Information for Troub leshooting Line Card Cras hes Step 8 The vast majorit y of line card crash es are either Cache P arity Exceptio n (SIG type=2 0), Bus Erro r Exception (S IG type=10), and Softw are-forced Crashes ([...]

4-5 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds General Information for Troubleshooting Line Card Crashes • Hard pa rity error s occur when a hardware de fect in the DRAM or proce ssor board causes d ata to be repea tedly co rrup ted at the sam e ad dress. In ge nera l, a h[...]

4-6 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s General Information for Troub leshooting Line Card Cras hes Step 2 If the re sults from the Output Interpr eter indicate a har dware-rela ted problem, try remo ving and reinserting the hardware into the chassis. If this does no[...]

4-7 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds General Information for Troubleshooting Line Card Crashes If the crash is accomp anied b y %IPC-3-NO BUFF messages , see T r oublesh ooting IPC-3 -NOBUFF Messages on the Cisco 120 00, 10000 and 750 0 Series , at the follo wing U[...]

4-8 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting t he T iming, Com municat ion, and Cont rol Plus Card Troubleshooting the Timing, Communi cation, and Control Plus Card At least one wor king Timing, C ommun ication, and Control Pl us (TCC+ ) car d must be ins[...]

4-9 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds Troub lesh oot ing t he Ti mi ng, Co mmu nicat ion, and Cont rol P lus C ard When perf orming any tro ublesho oting on th e TCC+ cards, first check the LE Ds as follows: 1. Check the PO WER LEDs o n each TCC+ c ard. A re the PO [...]

4-10 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting t he T iming, Com municat ion, and Cont rol Plus Card T able 4-4 TCC+ Card F aults and Rec ommended Re sponses Fault T ype Response The sh ow cable clock command shows that no TCC+ cards ar e installe d: Route[...]

4-11 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds Troub lesh oot ing t he Ti mi ng, Co mmu nicat ion, and Cont rol P lus C ard The show controlle rs clock-r efer ence command displa ys comp are er rors b etween t he tw o TCC + cards insta lled i n the Cisco u BR10012 rout er .[...]

4-12 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting the O C-12 Packet-O ver-SONE T Line Card Troubleshooting the OC-12 Packet-Over-SON ET Line Card Figure 4-2 de scribe s the LEDs on the Ci sco uBR1 0-1O C12/P-SMI O C-12 Packet- Over-SONET (POS) line card f ace[...]

4-13 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds Troubl eshooti ng the OC-12 Packet -Over-SONE T Line Card T able 4-5 OC-12 POS Line Ca rd F ault Indica tions and Recommende d Action Faul t Corre ctive A ction Fail LE D is li t indicating that the l ine card has faile d 1. Re[...]

4-14 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting the OC-12 D ynamic Pac ket Transp ort Spatial Reuse Proto col WAN Card Troubleshooting the OC-12 Dynamic Packet Transport Sp atial Reuse Protocol WAN Card Figure 4-3 sh ows and Ta b l e 4 - 6 describes the LED[...]

4-15 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds Troubl eshoot ing the OC-12 Dyn amic P acket Tran sport Sp atial Re use Pr otocol WA N Card RX PKTS (P acke ts) Blinking Gree n Off Indi cates th at the DPT po rt line ha s rec ei ved a pa cket. This LED f lickers in norma l op[...]

4-16 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting the Cisco uB R10012 OC- 48 DPT /POS Line Card Troubleshooting the Cisco uBR10012 OC-48 DPT/POS Line Card The C isco OC-4 8 DPT ⁄ POS interf ace mod ule has a pair o f OC- 48c, fiber-optic stan dard con necto[...]

4-17 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds Troublesh ooting th e Cisco uBR10012 OC- 48 DPT/POS Line Card SYNC Green Off Card synchr onized to ma te card Card not synchr onized WRAP Y ell o w Off Interface is wrapped Interface not wrapp ed P ASS THRU Y ello w Off DPT por[...]

4-18 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting the G igabit Etherne t Line Card Troubleshooting the Gigabit Ethern et Line Card Figure 4-5 describes the LEDs on the Cisco uBR10-1GE Gigab it Ethernet lin e card fa ceplate to help you verify corr ect ope rat[...]

4-19 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 4 Troublesh ooting Line Ca rds Troub le shoot in g the Giga bi t Eth ern et Lin e C ard Ta b l e 4 - 8 de scribes the gi gabit Et herne t line card faul t indic ations and su ggests r esponses to each . T able 4-8 Gigabit Ether net Lin e Car d F aults an d R[...]

4-20 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chapt er 4 Troublesho oting Li ne Card s Troubles hooting the G igabit Etherne t Line Card[...]

C HAPTER 5-1 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 5 Replacing or Recovering Passwo rds This sec tion d escribes h ow to recover a lost ena ble or console login pas sword, a nd how to repla ce a lost enab le secre t passwo rd on t he C isco uBR 10012 rou ter. Note It i s possible to recover the enab le or co[...]

5-2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chap ter 5 R epla cing or Re cove rin g Pas swor ds Password Rec overy Proce dure Step 2 Conf igure the termi nal to opera te at 9600 ba ud, 8 data bits , no parity , and 1 stop bit. Step 3 If you can log in to the route r as a nonprivileged user , ente r the s how ve[...]

5-3 Cisco uBR10012 Unive rsal Broadb and Router Tr oubleshootin g Guide OL-1237-01 Chapter 5 Replacing or Reco vering Passwords Password R ecovery Pr ocedu re Cautio n Do not ex ecute the next step unless you have determ ined you must cha nge or replac e the en able, e nable secret , or c onsole login passwords. Failure to foll ow the steps as sh o[...]

5-4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Chap ter 5 R epla cing or Re cove rin g Pas swor ds Password Rec overy Proce dure[...]

A- 1 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 APPEND IX A Unsupported Commands The fol lo wing are lists of t he commands that a re presen t b ut not sup ported fo r the Cisco uBR10 012 r outer in various rele ases of the C isco IO S software . • Unsuppor ted Frame Rela y Commands, page A-1 • HCCP Commands,[...]

A- 2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Appe ndix A U nsupp orte d Co mman ds HCCP Commands • frame-relay map ip ip -addr ess dlci [b roadcast] [ci sco | ietf] [noc ompr ess] tcp header -compr ession {activ e | passive} • frame-relay mincir {i n | out} bps • frame-relay traf fic-rate avera ge [ pe ak[...]

A-3 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 Append ix A Unsu pported Com mands Unsuppor ted MPLS VPN C ommands Unsupported MPLS VPN Commands The fo llowing commands ar e not suppor ted in any Cisco IO S software release. • ip vrf • ip vrf forwarding • mpls ip • mpls label-pr otocol ldp • show ip pr o[...]

A- 4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Appe ndix A U nsupp orte d Co mman ds Unsupp orted Telc o-Return Comm ands • cable telco-r etur n spd factor y-default • cable telco-r etur n spd manual-dial • cable telco-r etur n spd password • cable telco-r etur n spd phonenum • cable telco-r etur n spd [...]

B-1 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 APPEND IX B Recommended Tools and Test Eq uipment Ta b l e B - 1 lists the basic tools and test equipment necessar y to perform general maintenan ce and troublesh ooting tasks on the Cisco uBR1 0012 router. The fol lo wing sections describe a dva nced testin g equipm[...]

B-2 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Appendi x B Recommended To ols and Te st Equipmen t Testin g with TD Rs and OTD Rs T est f iber -optic c able b oth before i nstallation (on-the-reel testing) a nd after installation. Continuity testing of the fiber re quires eith er a v isib le lig ht sourc e or a re[...]

B-3 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 Append ix B Recommen ded Tool s and Test Equipme nt Testing with Breakout Bo xes, Fox Boxe s, and BERT s/BLERTs Testing with Breakout Boxe s, Fox Boxes, and BERTs/BLERTs Use bre akout boxes, fox boxes, and bit /block er ror ra te tester s (BER Ts/ BLE R Ts) t o measu[...]

B-4 Cisco uBR10012 Unive rsal Broadba nd Router Troubleshootin g Guide OL-1237-01 Appendi x B Recommended To ols and Te st Equipmen t Testin g with Ne twork An alyzers Testing with Network Analyzers Use net work analy zers (al so cal led protoc ol ana lyzers) t o decode proto col laye rs in a reco rded f rame an d present the layer s as r eadabl e [...]

IN-1 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 INDEX A acces s-list com piled c ommand 3-13 access lists 3-13 AC PEM faults 2-1 to 2-3 ACTIVE L ED OC-12 DPT/ SRP 4-14 TCC+ 4-9 alignment er rors 3-15 corr ectab le 3-15 fatal 3-16 alpha numer ic displa y list of messages 3-2 messages 1-6 ARP traf fic pr oblems 3-9[...]

Index IN-2 Cisco uBR10012 Unive rsal Broadba nd Router Tro ublesho oting Guide OL-1237-01 enabl e secr et comm and 7-3 environmen tal information, displaying 1-4 Ethern et prob lems 3-6 exec proces ses 3-11 F Fail LED Giga bi t Eth erne t 4-19 OC-12 POS line c ard 4-13 OC-48 DPT/ POS 4-16 fallbac ks 3-17 fan assembly failures 2-7 fatal a lignment e[...]

Inde x IN-3 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 PRE-1 module 3-4 to 3-6 PRES ENT, TCC+ 4-9 RX, OC- 48 DPT/ POS 4-16 RX CA RRI ER, OC- 12 DP T/SR P 4-14 RX PKTS, OC-12 DPT/SRP 4-14 SRP, OC-48 DPT/POS 4-16 Status 3-4 STATUS, OC -12 DPT/SRP 4-14 STATUS, T CC+ 4-9 SYNC , OC -48 DP T/PO S 4-17 TCC+ 4-8 transmit[...]

Index IN-4 Cisco uBR10012 Unive rsal Broadba nd Router Tro ublesho oting Guide OL-1237-01 OC-12 DPT/ SRP 4-14 TCC+ 4-9 PPP commands A-3 PRE-1 module 3-1 alpha numer ic displa y 1-6, 3-2 conso le connec tion 3-6 facepl ate 3-5 fault indicati ons 3-5 faults 3-4, 3-5 redunda nt modu les 3-3 status screen 1-6, 3-2 support for PR E-1 m odule an d not PR[...]

Inde x IN-5 Cisco uBR10012 Univ ersal Broadb and Router Tr oubleshooti ng Guide OL-1237-01 T TCC+ LEDs 4-8 troublesh ooting 4-8 TDR B-2 telco-re turn commands A-3 terminal setti ngs 3-8 test equi pment B-1 time domain reflecto meters B-2 Timing, Commu nicati on, and Contro l Plus card , see a lso TCC+ car d tools an d test equip ment B-1 troublesh [...]

Index IN-6 Cisco uBR10012 Unive rsal Broadba nd Router Tro ublesho oting Guide OL-1237-01[...]