Cisco 7401ASR Installation and
Configuration Guide
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Text Part Number: OL-5419-01 B0
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The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accor dance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required
to correct the interference at their own expense.
The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency ener gy. If it is not
installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to
comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable
protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
Modifying the equipment without Cisc o’s writ ten author ization m ay resul t in the equi pment no lo nger comp lyi ng with FCC requi rements for Class A or Class B digital
devices. In that event, your right to use the equ ipment may be limit ed by FCC regul ations , and you may be requir ed to correct a ny interference to radio or television
communications at your own expense.
You can determine whether your equipment is causing interference by turning it off. If the interferen ce stops, it was probably caused by the Cis co equipm ent or one of its
peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
• Turn the television or radio antenna unt il the int erference st ops.
• Move the equipment to one side or the other of the televisio n or radi o.
• Move the equipment farther away from the te levision or radio.
• Plug the equipment into an outlet that is on a di fferent cir cuit from the televi sion o r radio. (That is, make certain th e equipment and the te levision or radio are on circuit s
controlled by different circuit breaker s or fuses.)
Modifications to this product no t author ized by Cis co Syst ems, Inc. coul d voi d the FCC appro val and ne gate your authorit y to op erate the pr oduct.
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All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship
between Cisco and any other company. (0406R)
Cisco 7401ASR Installati on an d Configuration Guide
Obtaining Additional Publication s and Informationxx
1Overview and Parts Installation1-1
Hardware Overview1-1
Front View1-2
LEDs1-3
Rear View1-4
System Board1-4
System Management Functions1-5
Checking the Shipping Container Contents1-5
Installation Checklist1-6
Installing the CompactFlash Disk, GBIC, and Port Adapter1-7
Installing and Remov ing the CompactFlash Disk1-7
Installing and Removing the Gigabit Interface Converter1-8
Installing and Removing a Port Adapter or Serv ice Adapter1-10
Replacing the SDRAM DIMM1-11
Removing the Cover1-12
Removing and Installing the SDRAM DIMM1-13
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Contents
Replacing the Cover1-14
CHAPTER
2Rack-Mounting, Tabletop Installation, and Cabling2-1
Preparing to Install the Cisco 7401ASR Router2-1
Tools and Parts Required2-2
Electrical Equipment Guidelines2-3
General Tabletop or Workbench Installa tion2-5
Rack-Mounting a Cisco 7401A S R Router2-6
Attaching the Chas sis Rack-Mount and Cable-Management Brackets2-7
Installing Rack-Mount Brackets on the Front of the Chassis2-7
Attaching the Cable-Management Bracket2-8
Installing Rack-Mount Brackets on the Rear of the Chassis2-8
Fan Failures3-8
Checking Conditions Prior to System Startup3-9
Starting the System and Observing Initial Conditions3-9
Configuring a Cisco7401ASR Router3-10
Performing a Basi c Configuration Using AutoInstall3-11
Performing a Basi c Configuration Using the S etup Facility3-11
Configuring Global Parameters3-12
Configuring the Native Gigabit Ethernet and Fast Ethernet/Ethernet Interfaces3-15
Configuring Port Adapter Interfaces3-16
Performing a Basic Configuration Using Global Configuration Mode3-20
Saving the Running Configuration to NVRAM3-21
Checking the Runni ng Configuration Settings3-21
Contents
CHAPTER
Performing Other C onfiguration Tasks3-21
Replacing or Recovering a Lost Password3-22
Overview of the Pass wo rd Recovery Procedure3-22
Details of the Password Recovery Procedure3-23
Viewing Your System Configuration3-25
Performing Complex Configurations3-27
Troubleshooting Overview5-1
Problem Solving Using a Subsystems Approach5-2
Identifying Startup Problems5-3
Cisco 7401ASR Installation and Configuration Guide
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Contents
Troubleshooting the Power Subsystem5-4
Troubleshooting the Cooling Subsystem5-5
Troubleshooting the I/O Subsystem5-6
Troubleshooting the Processor Subsystem5-6
Troubleshooting the Port Adapter or Service Adapter5-6
Upgrading the Boot Helper (Boot Loader) Image5-7
PXF Troubleshooting Information5-8
APPENDIX
APPENDIX
ASpecificationsA-1
System SpecificationsA-1
Software RequirementsA-2
Processor SpecificationsA-3
Memory Specifications and ConfigurationsA-3
Gigabit Ethernet GBIC Configurations and Port and Cabling SpecificationsA-4
GBIC Cabling and Connection EquipmentA-4
GBIC-SX or WS-G5484A-5
GBIC-LX/LH or WS-G5486A-5
GBIC-ZX or WS- G 5487A-6
Fast Ethernet/Ethernet RJ-45 Port PinoutsA-6
Console and Auxiliary Port Signals and PinoutsA-8
Alarm PortA-9
Lithium Battery CautionA-9
BPXF Informat io nB-1
Using show CommandsB-1
Using the show versi on CommandB-2
Using the show c7400 CommandB-3
APPENDIX
vi
Using the show pxf CommandsB-3
Using the show pxf accounting ? Command and SubcommandsB-4
Using the show pxf crash CommandB-5
Using the show pxf info CommandB-6
Using the show pxf interface CommandB-6
Using the show pxf feature ? Command and SubcommandsB-6
CUsing the CompactFlash DiskC-1
Hardware and Software RequirementsC-1
Tools and Parts RequiredC-1
Cisco 7401ASR Installation and Configuration Guide
System Memory and Software Image Functions and InteractionsC-3
Boot Environment VariablesC-4
Sample Upgrade ProcessC-5
Working with a Co m p ac tFlash DiskC-5
Software Command OverviewC-6
Using Software CommandsC-7
Using the cd CommandC-8
Using the show CommandC-8
Using the pwd CommandC-9
Using the dir CommandC-9
Using the format Comman dC-9
Using the mkdir CommandC-10
Using the rmdir CommandC-11
Using the delete CommandC-11
Enabling Bootin g from a CompactFlash DiskC-12
Making a CompactFlash Disk-Based Software Image the Bootable
Software Image
C-13
Contents
APPENDIX
I
NDEX
DConfiguration Register InformationD-1
Configuratio n Bit MeaningsD-1
Bits 0–3D-2
Bit 6D-3
Bit 7D-3
Bit 8D-4
Bit 10 and Bit 14D-4
Bit 11 and Bit 12D-4
Bit 13D-4
Bit 15D-5
Displaying the Configuration Register While Running Cisco IOSD-5
Displaying the Configuration Register While Running ROM MonitorD-5
Setting the Configuration Register While Running Cisco IOSD-6
Setting the Configuration Register While Running ROM MonitorD-6
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Contents
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Cisco 7401ASR Installation and Configuration Guide
OL-5419-01 B0
Audience
Preface
This preface describes who sho ul d read the Cisco 7401ASR Installation and Configuration Guide, how
it is organized, and its document conventions.
The following sections are in this preface:
• Audience, page ix
• Organization, page x
• Document Conventions, page x
• Warning Definition, page xii
• Terms and Acronyms, page xv
• Related Document ation , page xvii
• Obtaining Technical Assistance, page xviii
• Obtaining Additional Publications and Information, page xx
OL-5419-01 B0
T o use this publication, you shoul d be familiar not only with Cisco router hardwa re and cabling b u t also
with electron ic circ uit ry a nd w iring pr ac ti ces. You should also have experience as an e le ctro ni c or
electromechanical technician.
This installation guide explains the initial hardware installation and basic configuration procedures for
the Cisco 7401ASR r oute r. It contains proce du res f or un packi ng a nd inst al lin g th e rout er hard ware,
creating a basic software configuration file, and starting up the router. After completing the installation
and basic configuration procedures covered in this guide, you will then use the appropriate companion
publications to m ore com pl ete ly co nfigure you r syst em .
Cisco 7401ASR Installation and Configuration Guide
ix
Preface
Organization
Organization
The major sections of this guide are as follows:
ChapterTitleDescription
1Overview and Parts Instal lati onThis chapter provides a hardware overview as well as preparation and
installation instructions for a Gigabit Interface Converter (GBIC),
CompactFlash Disk, and port adapter or service adapter.
2Rack-Mounting, Tabletop
Installation, and Cabling
3Starting a nd C o nfig uringThis chapter provides a functional overview of the system, as well as
4Configuring the VPN Acceleration
Module
5TroubleshootingThis chapter provides basic system startup troubleshooting information.
ASpecificationsThis appendix provides system specifications as well as port and cabling
BPXF InformationThis appendix contains information about enabling PXF features, and
CU sing the C omp act Fla sh Di skThis appendix con tains i n forma tio n abou t us ing the Co mpac tFlash D isk.
DConfiguration Register InformationThis appendix con t ains configur ation r egister infor ma tion.
This chapter provides preparation and installation instructions for
installing the chassis in a rack and for attaching cables.
startup and configuration instru ction s.
This chapter provides configuration instructions for the VPN
Acceleration Module (VAM).
pinouts and specifications.
PXF show commands.
Document Conventions
Command descriptions use the fo llowing conventions:
boldface fontComm ands an d keywords are in boldface.
italic fontArguments for which you supply values are i n itali cs.
[ ]Elements in square brackets are optional.
{ x | y | z }Alternative keywords are grouped in braces and separated by vertical bars.
[ x | y | z ]Optional alterna tive keywords are grouped in bracke ts and separ ated by
stringA nonquoted set of characters. Do not use quotation marks around the string,
Screen examples use the following conventions:
screen fontTerminal sessions and info rm ation the sy stem d isplays a re in screen f ont.
boldface screen fontIn format ion you must enter is in bol dfac e scre en fon t.
italic screen fontArguments for which you supp ly values are in italic screen font.
vertic al b ar s.
or the string will include the quotation marks.
Cisco 7401ASR Installation and Configuration Guide
x
OL-5419-01 B0
Preface
Document Conventions
^The symbol ^ re pres ent s the key lab eled Co ntrol—for example, the key
combination ^D in a screen display means hold down the Control key while
you press the D key.
< >Nonprinting characters, such as passwords, are in angle brackets.
[ ]Default responses to system promp ts a re i n squar e br acket s.
!, #An exclamation point (!) or a pound sign (#) at the beginning of a line of code
indicates a comment line.
Notes, cautionary statements, and safety warnings use these conventions:
NoteMeans reader take note. Notes contain helpful suggestions or references to materials not contained in
this manual.
CautionMeans reader be careful. Y ou a re capab le of doin g som ethin g t hat migh t r esult in eq uipm ent d amag e or
loss of data.
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Warning Definition
Warning Definition
Preface
Warning
Waarschuwing
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. To see translations of the warnings that appear in
this publication, refer to the translated safety warnings that accompanied this device.
Note: SAVE THESE INSTRUCTIONS
Note: This documentation is to be used in conjunction with t he specific product instal lat ion guide
that shipped with the product. Please refer to the Installation Guide, Configuration Guide, or other
enclosed additional documentation for further details.
BELANGRIJKE VEILIGHEIDSINS TRUC TIE S
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan
veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij
elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard
praktijken om ongelukken te voorkomen. Voor een vertaling van de waarschuwingen die in deze
publicatie verschijnen, dient u de vertaalde veiligheidswaarschuwingen te raadplegen die bij dit
apparaat worden geleverd.
Opmerking BEWAAR DEZE INSTRUCTIES.
Opmerking Deze documentatie dient gebruikt te worden in combinatie met de
installatiehandleiding voor het specifieke product die bij het product wordt geleverd. Raadpleeg de
installatiehandleiding, configuratiehandleiding of andere verdere ingesloten documentatie voor
meer informatie.
xii
Varoitus
Cisco 7401ASR Installation and Configuration Guide
TÄRKEITÄ TURVALLISUUTEEN LIITTYVIÄ OHJE ITA
Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen
kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvist ä vaaroista ja
tavanomaisista onnettomuuksien ehkäisykeinoista. Tässä asiakirjassa esitettyjen varoitusten
käännökset löydät laitteen mukana toimitetuista ohjeista.
Huomautus SÄILYTÄ NÄMÄ OHJEET
Huomautus Tämä asiakirja on tarkoitettu käytettäväksi yhdessä tuotteen mukana tulleen
asennusoppaan kanssa. Katso lisätietoja asennusoppaasta, kokoonpano-oppaasta ja muista
mukana toimitetuista asiakirjoista.
OL-5419-01 B0
Preface
Warning Definition
Attention
Warnung
IMPORTANTES INFORMATIONS DE SÉCU RI TÉ
Ce symbole d'avertissement indique un danger . V ous vous trouvez dans un e situation pouvant causer
des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient
des dangers posés par les circuits électriques et familiarisez-vous avec les procédures couramment
utilisées pour éviter les accidents. Pour prendre connaissance des traductions d'avertissements
figurant dans cette publication, consultez les consignes de sécurité traduites qui accompagnent cet
appareil.
Remarque CONSERVEZ CES INFORMATIONS
Remarque Cett e documentation doit être utilisée avec le guide spécifique d'installati on du produit
qui accompagne ce dernier. Veuillez vous reporter au Guide d'installation, au Guide de
configuration, ou à toute autre documentation jointe pour de plus amples renseignements.
WICHTIGE SI CHERHE ITSAN WEIS UNGEN
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer
Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie
sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur
Vermeidung von Unfällen bewusst. Übersetzungen der in dieser Veröffentlichung enthaltenen
Warnhinweise sind im Lieferumfang des Geräts enthalten.
Hinweis BEWAHREN SIE DIESE SICHERHEITSANWEISUNGEN AUF
Hinweis Dieses Handbuch ist zum Gebrauch in Verbindung mit dem Installationshandbuch für Ihr
Gerät bestimmt, das dem Gerät beiliegt. Entnehmen Sie bitte alle weiteren Informationen dem
Handbuch (Installations- oder Konfigurationshandbuch o. Ä.) für Ihr spezifisches Gerät.
Figyelem!
Avvertenza
FONTOS BIZTONSÁGI ELÕÍRÁSOK
Ez a figyelmezetõ jel veszélyre utal. Sérülésveszélyt rejtõ helyzetben van. Mielõtt bármely
berendezésen munkát végezte, legyen figyelemmel az elektromos áramkörök okozta kockázatokra,
és ismerkedjen meg a szokásos balesetvédelmi eljárásokkal. A kiadványban szereplõ
figyelmeztetések fordítása a készülékhez mellékelt biztonsági figyelmeztetések között található.
Megjegyzés ÕRIZZE MEG EZEKET AZ UTASÍTÁSOKAT!
Megjegyzés Ezt a dokumentációt a készülékhez mellékelt üzembe helyezési útmutatóval együtt kell
használni. További tudnivalók a mellékelt Üzembe helyezési útmutatóban (Installation Guide),
Konfigurációs útmutatóban (Configuration Guide) vagy más dokumentumban találhatók.
IMPORTANTI ISTRUZIONI SULLA SICUREZZA
Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle
persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli
relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Per le
traduzioni delle avvertenze riportate in questo documento, vedere le avvertenze di sicurezza che
accompagnano questo dispositivo.
Nota CONSERVARE QUESTE ISTRUZIONI
Nota La presente documentazione va usata congiuntamente alla guida di installazione specifica
spedita con il prodotto. Per maggiori informazioni, consultare la Guida all'installazione, la Guida
alla configurazione o altra documentazione acclusa.
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Warning Definition
Preface
Advarsel
Aviso
VIKTIGE SIKKERHETSINSTRUKSJONER
Dette varselssymbolet betyr fare. Du befinner deg i en situasjon som kan forårsake personskade.
Før du utfører arbeid med utstyret, bør du være oppmerksom på farene som er forbundet med
elektriske kretssystemer, og du bør være kjent med vanlig praksis for å unngå ulykker. For å se
oversettelser av advarslene i denne publikasjonen, se de oversatte sikkerhetsvarslene som følger
med denne enheten.
Merk TA VARE PÅ DISSE INSTRUKSJONENE
Merk Denne dokumentasjonen skal brukes i forbindelse med den spesifikke
installasjonsveiledningen som fulgte med produktet. Vennligst se installasjonsveiledningen,
konfigureringsveiledningen eller annen vedlagt tilleggsdokumentasjon for detaljer.
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. O utilizador encontra-se numa situação que poderá ser
causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha em
atenção os perigos envolvidos no manuseamento de circuitos eléctricos e familiarize-se com as
práticas habituais de prevenção de acidentes. Para ver traduções dos avisos incluídos nesta
publicação, consulte os avisos de segurança traduzidos que acompanham este dispositivo.
Nota GUARDE ESTAS INSTRUÇÕES
Nota Esta documentação destina-se a ser utilizada em conjunto com o manual de instalação
incluído com o produto específico. Consulte o manual de instalação, o manual de configuração ou
outra documentação adicional inclusa, para obter mais informações.
¡Advertencia!
Varning!
INSTRUCCIONES IMPORTANTES DE SEGURIDAD
Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular
cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los
procedimientos estándar de prevención de accidentes. Vea las traducciones de las advertencias
que acompañan a este dispositivo.
Nota GUARDE ESTAS INSTRUCCIONES
Nota Esta documentación está pensada para ser utilizada con la guía de instalación del producto
que lo acompaña. Si necesita más detalles, consulte la Guía de instalación, la Guía de
configuración o cualquier documentación adicional adjunta.
VIKTIGA SÄKERHETSANVISNINGAR
Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada.
Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och
känna till vanliga förfaranden för att förebygga olyckor. Se översättningarna av de
varningsmeddelanden som finns i denna publikation, och se de översatta säkerhetsvarningarna som
medföljer denna anordning.
OBS! SPARA DESSA ANVISNINGAR
OBS! Denna dokumentation ska användas i samband med den specifika
produktinstallationshandbok som medföljde produkten. Se installationshandboken,
konfigurationshandboken eller annan bifogad ytterligare dokumentation för närmare detaljer.
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Preface
Terms and Acronyms
Terms and Acronyms
To fully understa nd the co nten t of this u ser gu ide, yo u shoul d be fam ili ar w it h th e foll owing ter ms an d
acronyms:
• Cache—Memory with fast access and small capacity used to temporarily store recently accessed
data; found either incorporated into the processor or near it.
• DCE—data commun ica tions eq ui pmen t
• DMA—direct memory access
• DTE—data terminal equipm ent
• EPROM—erasable p rog ra mmab le re ad -on ly m em or y
• EEPROM—electric ally eras able progra mmab le re ad-on ly memo ry
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Terms and Acronyms
Preface
• GB—gigabit
• GBIC—Gigabit Interface Converter
• Gbps—gigabits p er se cond
• Instruction and data cache—Instructions to the processor and data on which the instructions work.
• Integrated cache—Cache that is built into the processor; sometimes referred to as internal cache.
Cache memory that is physically located outside the processor is not integrated, and is sometimes
referred to as external cache.
• MB—megaby te
• Mbps—megabits per se cond
• NVRAM—nonvolatile random-access memory
• OIR—online insertion and re moval
• PCI—Periphera l Componen t Inter connect
• Primary, secondary, tertiary cache—Hierarchical cache memory storage based on the proximity of
the cache to the core of the processor. Primary cache is closest to the processor core and has the
fastest access. Secondary cache has slower access than primary cache, but faster access than tertiary
cache.
• PXF—Parallel eXpress Forwarding: A secondary processor used to accelerate Cisco IOS services
• RFI—radio freque ncy inter fere nce
• RISC—reduced instruction set computing
• SDRAM—synchronous dy nami c r andom -a cce ss mem ory
• SNMP—Simple Network Manage ment Protoc ol
• TFTP—Trivial File Transfer Protocol
• Unified cache—Instr uction c ache an d da ta cach e are co mbin ed. F or ex ampl e, a proces sor ma y ha v e
primary cache wi th se para te inst ru ction a nd dat a ca ch e m em ory, but unified secondary cac he.
• VAM—VPN acceleration modul e
• VPN—Virtual Private Network
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Preface
Related Documentation
Yo ur Cisco 7401 ASR route r and the Cisco IOS software running on it contain extensive features and
functionality, which are documented in the following resources:
• Cisco Documentation CD-ROM package (See the “Obtaining Documentation” section on
page xvii.)
• Cisco.com ( See t h e “Cisco.com” section on page xvii.)
• Cisco 7401ASR Router Doc umentation Master Index provides a list of related documents and links
• Cisco 7401ASR Router Port Adapter Documentation Master Index provides a list of related
documents and links at: ht tp://ww w.cisco.com/univercd/cc/td/doc /produc t/core/ 7401/o l3533.ht m
• Cisco 7401ASR Router Troubleshooting Master Index provides links to TAC Tech Notes,
troubleshooting documentation, and troubleshooting tools and utilities at:
http://www.cisco.com/univercd/cc/td/doc/product/core/7401/ol3517.htm
• Cisco IOS software documentation contai ns Cisco IOS software configurati on informa tion and
support. See the modular configuration and modular command reference publications in the set that
corresponds to the software re lease insta lled on your Ci sco hardware .
Related Documentation
• Cisco IOS Enterprise V PN Co nfiguration Guid e at :
Cisco documentatio n and a dd ition al lite rat ure a r e available on Cisc o.co m. Cisc o al so provide s s everal
ways to obtain technical assista nce an d othe r techni cal re sour ces. Thes e secti ons explain how to obtain
technical information from Cisco Systems.
Cisco.com
You can access the most current Cisco documentation at this URL:
http://www.cisco.com/univercd/home/home.htm
You can access the Cisco website at this URL:
http://www.cisco.com
You can access international Cisco websites at this URL:
• Nonregistered Cisco.co m u ser s can o rd er docum en tati on th rou gh a l oc al ac count r epre sen tative by
calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in
North America, by calling 1 800 553-NETS (6387).
Documentation Feedback
Yo u can send com ments ab out tec hnical doc ument ation to bug-doc @cisco.c om.
Yo u can submi t commen ts by using the re sponse car d (if pres ent) beh ind the front cover of your
document or by wri ting t o the fo llowing a ddress:
Cisco Systems
Attn: Customer Docume nt Ordering
170 West Tasma n Dr ive
San Jose, CA 95134- 988 3
We appreciate yo ur co mmen ts.
Preface
Obtaining Technical Assistanc e
For all customers, partners, resellers, and distributors who h old valid Cisco serv ice contra cts, Cisco
Technical Support provides 24-hour-a-day, award-winning technic al assist anc e. T he C isco Technical
Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical
Assistance Center (TAC) engineers pr ovide te leph one su ppor t. If y ou do n ot ho ld a valid Cisco se rvice
contract, contact your reseller.
Cisco Technical Support Website
The Cisco Technical Support Website provides online docum ent s and tool s fo r t roub lesho oti ng and
resolving technical issues with Cisco products and technologies. The website is available 24 hours a day,
365 days a yea r, at this UR L:
http://www.cisco.com/techsupport
Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password.
If you have a valid service contract but do not have a user ID or password, you can register at this U R L:
http://tools.cisco.com/RPF/register/register.do
NoteUse the Cisco Pr oduct Ident ificati on (CPI ) to ol to loc ate your pr odu ct s er ial n umb er b efore su bmitt ing
a web or phone request for service . You can access the CPI tool from t he Cisco Technical Support
Website by clicking the Tools & Resources link under Documentation & T ools.Choose Cisco Product
Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product
Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID
xviii
Cisco 7401ASR Installation and Configuration Guide
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Preface
or model name; by t r ee v iew; or f or c ertai n produc ts , by copyin g a nd past ing show comm and ou tput.
Search results show an illu stra tio n o f your p rod uct wi th the s eria l n umb er l abe l l ocati on h ighli ghte d.
Locate the seria l number label on yo ur product and rec o rd the informatio n before placing a se rvice call.
Submitting a Service Request
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3
and S4 service requests are those in which your network is minimally impaired or for which you require
product information. ) After you desc ribe you r situation, the TAC Service Request Tool provides
recommended s oluti ons. I f your issu e is no t re so lved using t he r ecom me nded re sourc e s, your se rv ice
request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:
http://www.cisco.com/techsupport/servicerequest
For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC b y telephone.
(S1 or S2 service requests are t hose in whic h your prod uction net work is down or severely degraded.)
Cisco TAC engineers are a ssign ed im medi atel y to S1 a nd S2 servi ce req uests to help k eep y our b u sines s
operations running smoothly.
To open a service reque st by telephone , use one of the fo llowing numb ers:
For a complete list of Cisco TAC contacts, go to this URL:
http://www.cisco.com/techsupport/contacts
Definitions of Service Request Severity
To ensure that all service requests are reported in a standard format, Cisco has established severity
definitions.
Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You
and Cisco will commit all necessary resources around the clock to resolve the situation.
Severity 2 (S2)—Operation of an existing networ k is severely degraded, or signi ficant aspects of your
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco
will commit full-time resources during normal business hours to resolve the situation.
Severity 3 (S3)—Operational performance of your network is impaired, but most business operations
remain functional. You and Cisco will commit resources during normal business hours to restore service
to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or
configuration. There is li ttle or no effect on you r business operations.
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xix
Obtaining Additiona l Publications and Informatio n
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online
and printed sources.
• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit
Cisco Marketplace, the company store, at this URL:
http://www.cisco.com/go/marketplace/
• The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as
ordering and custome r support ser vices. Ac cess the Cisc o Product Ca talog at this URL:
http://cisco.com/univercd/cc/td/doc/pcat/
• Cisco Press publishes a wide range of general networking , training and certif ication titles. Both ne w
and experienced users will benefit from these publications. For current Cisco Press titles and other
information, go to Cisco Press at this URL:
http://www.ciscopress.com
• Packet magazine is the Cisco Sy stems tech nic al user magazi ne for maxi mizing Int ernet and
networking investments. Each quar ter, Packet delivers coverage of t he l ate st ind ust ry t rend s,
technology breakthrough s, and Cisco product s and soluti ons, as well as networ k deployme nt and
troubleshooting t ips, configu ratio n exa mp les, cust om er c a se studie s, ce rtificat ion an d tr aini n g
information, and links to score s of in-dept h online resource s. You can access Packet magazine at
this URL:
http://www.cisco.com/packet
Preface
• iQ Magazine is the quarterly pu bli cat ion fr om C isco System s desig ned t o hel p gr owing comp anies
learn how they can use tec hn ology to i n crea se revenue, stre a mline the ir business , and expand
services. The publication identifies the challenges facing these companies and the technologies to
help solve them, usin g rea l-worl d ca se st ud ies an d business st rategies t o he lp r eade rs make soun d
technology investment decisions. You can access iQ Magazi ne at thi s URL:
http://www.cisco.com/go/iqmagazine
• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering
professionals involved in designing, developing, and ope ratin g p ubli c a nd pr ivate internets a nd
intranets. You can access the Internet Protocol Journal at this URL:
http://www.cisco.com/ipj
• World-class networking training is available from Cisco. You can view current offerings at
this URL:
http://www.cisco.com/en/US/learning/index.html
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CHAPTER
1
Overview and Parts Installation
The Cisco 7401ASR router provides application-specific features for broadband subscriber aggregation
and network application ser vices w ith high proc essing perf orman ce.
This chapter provides a quick ha rdware overview and options inst allati on instruct ions for th e
Cisco 7401ASR route r. For functional inform atio n see Ch apter 3, “Starting and Configuring,” the
“Functional Overview” sect ion on page 3-1. For system specifications a nd por t a nd cabling
specifications, see Appendix A, “Specifications.”
The following sections descri be router hardware an d options installat ion:
• Hardware Overview, page 1-1
• Checking the Shipping Container Con tents, page 1-5
• Installation Checklist, page 1-6
• Installing the CompactFla sh Disk, GBIC, and Port Adapt er, page 1-7
• Replacing the SDRA M D I MM, page 1 -11
Warning
Before you install, operate, or service the system, read the Site Preparation and Safety Guide. This
guide contains important safety information you should know before working with the system.
Hardware Overview
The Cisco 7401ASR ro ut er s uppo rts th e fo llowing f ea ture s:
• Online insertion and removal (OIR)—Allows you to add, re pla ce, or remove port ada pt ers wit hou t
interrupting the system.
• Environmental monitoring and repo rting fun ctions —Allow you to maintain normal system
operation by resolving adverse environmental conditions prior to loss of operation.
• Downloadable software—Allows you to load new images into Flash memory remotely, without
having to physically a cce ss the rou ter, for fast, re liable u pgr ades.
• Small form-fact or—One rack-unit (RU) high with stacking capability:
1.72 in. x 17.3 in. x 11.80 in. (4.37 cm x 43.9 cm x 30 cm). The weight is approxim ately 10 .5 lbs
(4.76 kg).
• Front-to-back airflow—Allows you to m oun t t he rout er f ro m eit her fro nt o r back i nto two p ost or
19-inch racks and 21–23- inch f our-post r acks.
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Hardware Overv iew
Front View
Chapter 1 Overview an d Parts Installation
The following sections provide illustrations and a brief overview of the Cisco 7401ASR router:
• Front View, page 1- 2
• LEDs, page 1-3
• Rear View, pa ge 1- 4
• System Board, page 1-4
• System Management Functions, page 1-5
Figure 1-1Cisco 7401ASR Router—Front View
ENABLED
RX CELLS
RX CARRIER
RX ALARM
TX
RX
E
N
H
A
N
C
E
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A
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5
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8
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11
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1Port adapter slot (with installed port adapter) 8Conso le port
2Port adapter latch9Alarm port
3GBIC port 010 Ground for ESD wrist strap banana j ac k
4FE port 0 11 Power switch
5FE port 1 12 CompactFlash Disk slot
6GBIC port 113 Power connector
7Auxiliary port
The Cisco 7401ASR ro ute r s uppo rts:
• Two native Ethernet interfaces—Each interface has two physical ports, a Gigabit Ethernet
(1000-Mbps) port t h at uses a G igab it In terface C onverter (GBIC) and a Fast E ther ne t/Et herne t
(10/100-Mbps) port with an RJ-45 connector. Any two of the four ports are available at any one time.
• Both 25-MHz an d 5 0-MH z port ada pt er ope rat ion.
1-2
• A 64- or 128-MB CompactFlash Disk.
• A single power supply that is available in four options : AC, single –24V DC, single –48V DC, and
dual –48V DC.
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Chapter 1 Overview and Par ts Ins ta ll at ion
LEDs
LED information is in Figure 1-2 and the table bel ow Figure 1-2.
Figure 1-2LEDs on the Cisco 7401ASR Router
1
2
3
4
Hardware Ov erview
5
6
9
10
57605
7
8
No. LED LabelLEDColor
In the Power Up
state, the LED is
LED flashes when there is
traffic
1GBIC 0 ENABLEGBIC 0 ENABLE Green OnNo, remains constantly on
2LI NKGBIC LINK 0Green —Yes
3FE 0 LINK FE 0 LINK Green —Yes
4100 MbpsFE 0Gre en OnNo, remains constantly on
5GBIC 1 ENABLEGBIC 1 ENABLE Green —No, remains constantly on
6LI NKGBIC LINK 1Green OnYes
7FE 1 LINKFE 1 LINK Green —Yes
8100 MbpsFE 1Gre en OnNo, remains constantly on
9STATUSSystem StatusGreen OnNo, remains constantly on
10COMPACT
FLASH
CompactFlash
Disk
Green On, if the
CompactFlash
Disk is inserted
No, remains constantly on
if the CompactFlash Disk
is inserted and f unc tioni n g
and functioning
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1-3
Hardware Overv iew
Rear View
Chapter 1 Overview an d Parts Installation
Figure 1-3Cisco 7401ASR Router—Rear View
System Board
1
50530
2
1Fan vent2Grounding connector
The rear of the Cisco 7401 ASR route r has five fan airflow vents and the chassis groundi ng connec tor
that provides a chassis gro und conn ec tion for ES D e quipm ent or a two-hole gro und ing l ug. (Se e
Figure 1-3.)
Five internal fans draw cooling air into the chassis and across internal components to maintain an
acceptable operating temperature. (See Figure 1-3.) The five fans are located at the rear of the chassis.
Internally, the system board contains the following components:
• SDRAM memory that is available in thre e option s: 128, 256, or 512 MB DIMM
• Processors
–
Reduced instruction set computing (RISC) RM7000 microprocessor that operates at an internal
clock speed of 375 MHz. The RM7 000 processo r maint ains and executes the system
management function s for the Cisco 7401ASR router. The processor also performs some
memory and environmental monitori ng funct ions.
1-4
–
The Parallel eXpress Forwarding (PX F) processo r enab les para llel IP mul tipacket p rocessing
functions, working with the Route Processo r to prov ide acceler ated pack et switching , as well as
accelerated IP Layer 3 feature processing.
• System controller
The system contr oller pro vides hardw are logic to inte rconnect the pr ocessors , SDRAM, and th e PCI
buses. The Cisco 7401A SR ro ut er ha s one s yst em c on troll er t hat p rovid es pr oce ssor a cce ss to the
two PCI buses. The system controller also allows the port adapter access to SDRAM.
• Cache memory
The processor has three levels of cache: primary and secondary cache that are internal to the
microprocessor wit h sec ond ary u ni fied cac he f or dat a an d inst ructi on, a nd ter tiar y, 2-MB external
cache.
• Two environmental sensors for m oni tor ing the in te rnal t emp er atur e of the cha ssis
• Boot ROM for storing sufficient code for booting the Cisco IOS software
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Chapter 1 Overview and Par ts Ins ta ll at ion
System Manageme nt F unc tions
The Cisco 7401ASR process or perform s the following syste m manageme nt functi ons:
• Sending and receiving routing pr otocol upda tes
• Managing tables, caches, and buffers
• Monitoring interface and environmental status
• Providing Simple Network Managemen t Protocol (SNMP) manage ment throu gh the conso le and
Telnet interface
• Accounting for and switching of data traffic
• Booting and reloading images
• Managing the port adapter (including recognition and initialization during online insertion and
removal)
NoteFor a chassis footprint, addi tional dime nsio ns, and clear ance requi remen ts for the Ci sco 7401ASR
router, see the “Preparin g to In stall th e Cisco 7 401ASR Ro uter ” section on page 2-1 in Chapter 2 ,
“Rack-Mounting, Ta bletop Installation, and Cabling.”
Checking the Shipping Container Contents
The Cisco 7401ASR router supports multiprotocol, multimedia routing and bridging with a wide variety
of protocols and p ort ad apt ers .
Checking the Shipping Containe r Contents
Use the Cisco 7401ASR Components List to check the contents of the Cisco 7401ASR router shipping
container. Do not discard the shipping container. You need the container if you move or ship the Cisco
7401ASR router in the fu ture.
Table 1-1Cisco 7401ASR Components List
ComponentDescri pt i onReceived
ChassisCisco 7401ASR chassis configured with an AC or DC power supply, a port adapter
filler plate, and a CompactFlash Disk
Accessories:
• Rack-mount and
cable-management
kit
• Power cables
• Documentati on
The following accessories might arrive in separate shipping containers:
Two rack-mount brackets, one cable -manage ment brac ket,
four 12-24 x 0.5-in. screws to secure the rack-mount brackets to the chassis, four 8-18
x .37-in. screws to secure the rack-mount brackets to a 19-inch rack, four 8 x .375-in.
screws to secure the rack-mount brackets to a 21–23-inch rack, and one M4 x 20-mm
screw to attach the cable-management bracket to the rack-mount bracket
An AC power cable, if an AC power supply was ordered
If ordered, route r hardware an d so ft ware do cu ment ati on se t a nd the Cisc o
Documentation CD-ROM package
1
Optional EquipmentExamples: Network interface cables, transceivers, special connectors
1. Titles and quantities of documents will vary. You must order the type and quantity of documentation sets when you order the hardware.
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1-5
Installation Checklist
NoteWe no longer ship the entire router documentation set automatically with each system. You must
specifically order the documentation as part of the sales order. If you ordered documentation and did not
receive it, we will ship the documents to you within 24 hours. To order documents, contact a customer
service representative.
Installation Checklist
This section assumes you will be installing th e CompactFlash Disk, Gigabit I nterface Con v erter (GBIC),
and port adapter or servi ce adapte r befor e powering on the rou ter, or before install ing it in a rack and
powering it on. For complete site requirement information, see Chapter 2, “Rack-Mounting, Tabletop
Installation, and Cabling,” the “Site Requirement Guidelines” section on page 2-4.
To assist you with yo ur insta llat ion an d to pr ovide a hi storic al re co rd of w hat was d one by w ho m,
photocopy the Cisco 7401ASR Router Installati on Checklist, Table 1-2 on page 1-6. Indicate when each
procedure or verification is comp leted . When the ch eckli st is compl eted, place it in your si te log along
with the other records for your new router.
Date router received
Router and all accessories unpacked
Types and numbe rs of i nte rface s verified
Safety recommendations and guidelines reviewed
Installation Checklist copied
Site log established and background information entered
Site power voltages verified
Site environmental specifications verified
Required passwords, IP ad dresses, device nam es, and so on , available
Required tools available
Network connection eq uipm ent available
Router mounted in rack (optional)
Cable-manageme nt bracket inst alled (opti onal but recomm ended)
AC power cable(s) connected to AC source(s) and router
DC power cable(s) c on nect ed t o DC sour ce (s) a nd ro ute r
Network interface cables and devices connected
ASCII terminal attached to console port
Console port set for 9600 bau d, 8 data bits , no parity, and 2 stop bits (9600 8N2)
System power turned on
System boot comple te (STATUS LED is on )
Verified
ByDate
1-6
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Chapter 1 Overview and Par ts Ins ta ll at ion
Installing the CompactFlash Disk, GBIC, and Port Adapter
I/O ports and port adapter are operational (see Figure 1-2 on page 1-3 for specific LED information)
Correct hardware configuration displayed after system banner appears
Installing the CompactFlash Disk, GBIC, and Port Adapter
You may have ordered a CompactFlash Disk, Gigabit Interface Converter (GBIC), and one of a variety
of port adapters or service adapter with your Cisco 74 01ASR router. You must install the Com pactFlash
Disk, GBIC, and port adapter service adapter. Use the installation instructions in the following sections
to install or remove one of these optional parts:
• Installing and R emoving the C omp actF lash Di sk, pa ge 1 -7
• Installing and R em oving t he G igab it In terfa ce C onverter, page 1-8
• Installing and R em oving a Por t Ad apt er or Ser vic e A dap ter, page 1-1 0
Installing and Removing the CompactFlash Disk
Figure 1-4Installing and Removing the CompactFlash Disk
12
1CompactFlash Disk insertion2CompactFlash Disk removal
Insert the CompactFlash Disk in the CompactFlash Disk slot (1) with the label with the v endor name and
memory size facing up. It protrudes when completely seated. To remove the CompactFlash Disk, grasp
it and pull it from the slot (2).
The CompactFlash Disk is keyed to prevent it being inserted incorrectly.
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NoteOnly the CompactFl ash Disk is su ppo rte d in a Cisco 740 1A SR rout er.
Cisco 7401ASR Installation and Configuration Guide
1-7
Installing the CompactFl ash Disk, GBIC, and Port Adapter
Information about CompactFlashDisks:
• The larger the Comp actFl ash Disk size, the longe r the sys tem boot time .
• The CompactFlash Disk supports online insertion and removal (OIR).
• Use the CompactFlash Disk t o store your confi gurat ion fi les and Ci sco IOS software image .
For complete information about using a Co mpactFlash Disk, see Appe ndix C, “Using the CompactFlash
Disk.”
For further installation proc edures i ncluding ra ck-moun ting or ge neral workbe nch instal latio n, see
Chapter 2, “Rack-Mounting, Tabletop Installation, and Cabling.”
Installing and Removing the Gigabit Interface Converter
For ease of installation, insert the Gigabit Ethernet Gigabit Interface Converter (GBIC) in the router
while it is powered down and before placing it in a rack. For complete GBIC installation instructions,
see the “Attachi ng the GBIC Inter face Cable s” section on page 2-17 and see the “Gigabit Ethernet GBIC
Configurations and Port and Cabling Specifications” section on page A-4.
Figure 1-5Gigabit Interface Converter—GBIC
Chapter 1 Overview an d Parts Installation
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12
1Receive2Transmit
The Gigabit Ethernet Gigabit Interface Converter (GBIC) port is a 1000-Mbps optical interface in the
form of an SC-type duplex port tha t support s IEEE 802 .3z inter faces compl iant wit h the 1000BASEX
standard. Gigabit Interface Converter models WS-5484 or GBIC-SX, WS-G5486 or GBIC-LX/LH, and
WS-G5487 or GBIC-Z X a re su ppo rted in t he Ci sco 7401ASR router.
NoteThe GBIC must be installed before you connect the cables to it.
• You can install and remove GBICs with power on to the system.
• Disconnect all c abl es be fo re r em oving or in s tall ing a GBIC. We strongly recomm end th at you do
not install or remove the GBIC with optical fiber cables attached to it.
• GBICs are keyed to prevent incorrect insertion.
Warning
Because invisible laser radiation may be emitted from the aperture of the port when no fiber cable is
connected, avoid exposure to laser radiation and do not stare into open apertures.
1-8
Warning
Cisco 7401ASR Installation and Configuration Guide
Class 1 laser product.
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Chapter 1 Overview and Par ts Ins ta ll at ion
Installing the CompactFlash Disk, GBIC, and Port Adapter
Warning
Class 1 LED product.
Figure 1-6Inserting a GBIC into the Cisco 7401ASR Gigabit Ethernet Slot 0
3
2
5
1
1Gigabit Interface Converter (GBIC)4GBIC por t 1
2Alignment groove5Plug
3GBIC port 0
Use the following procedure to install a GBIC:
4
57603
Step 1Attach an ESD-preventive wrist strap between you and an unpainted chassis surface.
Step 2Locate the label on the GBIC and turn the GBIC so the label is on top and the alignment groove is
down.
NoteThe GBIC is keyed so that it cannot be insert ed inco rrect ly.
Step 3Insert the GBIC into GBIC slot 0 or 1. The tabs on either side of the GBIC snap into place when you
have completely and properly inserted the GBIC.
Step 4Repeat Step 2 and Step 3 if you ar e insert ing a seco nd GBIC.
NoteDo not remove the plug from the GBIC optica l bor es until you ar e read y to in stall the n etw o r k interf a ce
optical fiber cable. Save the plug for f ut ure use.
This completes the GBIC installation procedure.
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Chapter 1 Overview an d Parts Installation
Installing the CompactFl ash Disk, GBIC, and Port Adapter
Installing and Removing a Port Adapter or Service Adapter
The information in this sect ion also applies t o service ada pters. Fo r information a bout conf iguring a port
adapter, see the p o rt ad ap te r do cu ment ati on a t :
When performing the following procedures, wear a grounding wrist strap to avoid ESD damage to the
card. Some platforms have an ESD connector for attaching the wrist strap. Do not directly touch the
midplane or backplane with your hand or any metal tool, or you could shock yourself.
Before removing any port adapter, gracefully shut down the interface so that thre is no traffic running
through the port ad apter w hen it is removed. Removing a po rt adap ter whe n traffic is flowing through
the ports can cause system disruption .
The Cisco 7401ASR ro ut er s uppo rts OI R o f th e port ada pte r. However, if you choose to power off the
router to remove or install a port adapter, turn the power switch to the off position and then remove the
power cable. After you have replaced the port adapter or inserted afiller panel, replace the power cable
and then turn the power switch to the on position.
NoteAfter powering off the router, wait at l east 3 0 se cond s be fore p owering i t on again.
Follow these steps for inserting and securing a por t adapte r:
Step 1Attach an ESD wrist strap between you and an unpainted chassis surface. For wrist straps with a banana
jack, insert the bana na ja ck i n it s gr oundi ng ho le lo ca ted on th e front o f th e chas sis, n ear the STATUS
LED and power switch.
Figure 1-7Installing a Port Adapter or Service Adapter
1-10
3
D
R
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S
IE
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L
M
R
L
B
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A
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R
X
R
R
X
R
ENHANCED ATM
1
2
1Port adapter latch3Port adapter slot guide
2Port adapter4Ground for ESD wrist strap b anan a j ack
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