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Cisco Service and Application Module for IP User Guide
© 2013 Cisco Systems, Inc. All rights reserved.
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CONTENTS
About this Guide 1
Audience 1
Documentation Objectives 1
Documentation Organization 2
Documentation Conventions 2
Safety Warnings 3
Related Documentation 9
Obtaining Documentation, Obtaining Support, and Security Guidelines 10
CHAPTER
1Cisco Service and Application Module for IP Overview 1-1
Cisco Service and Application Module for IP Overview 1-1
Hardware Features 1-3
Backplane Interface 1-4
Line Card Control Processor 1-4
Classification and Distribution Engine 1-4
Network Processor 1-4
Daughter Cards 1-5
Security Processor 1-5
Compact Flash Memory 1-5
Software/Firmware Features 1-6
Packet Egress Through IXP 1-6
MAC Propagation to IXP for IPv4/IPv6 Addresses 1-6
IXP Configuration Using Packet Trailers for CSG2 R5.0 1-6
IPC Load Management 1-7
PPC Configuration File Storage on the Supervisor Engine 1-7
Remote Console and Logging 1-7
Session Support 1-7
Health Monitoring 1-8
High Availability 1-8
Hot Fabric Sync 1-8
IEEE 802.1 Q-in-Q VLAN Tag Termination 1-9
Cisco Software Application Support 1-9
Front Panel Description 1-10
Status LED 1-10
Contents
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Reset Button 1-11
USB Port 1-12
RJ-45 Console Connector 1-12
System Requirements and Specifications 1-12
System Requirements 1-12
Power Requirements 1-13
Memory Requirements 1-13
Environmental Requirements 1-13
Physical Specifications 1-13
Agency Approvals 1-14
CHAPTER
2Installing the Cisco SAMI 2-1
Preparing to Install the SAMI 2-1
Safety Guidelines 2-1
Safety with Equipment 2-2
Safety with Electricity 2-2
Preventing Electrostatic Discharge Damage 2-3
Verifying System and Site Requirements 2-4
Site Requirements 2-4
Unpacking and Checking the Contents of your Shipment 2-5
Required Tools 2-5
Reviewing Safety Recommendations 2-5
Installing the SAMI 2-6
Removing a SAMI 2-11
CHAPTER
3Configuring the Cisco SAMI 3-1
Before You Begin 3-1
Establishing Console Sessions 3-2
Configuring a Virtual Terminal Line Settings 3-2
Establishing a Console Session with the SAMI LCP 3-2
Assigning a Hostname to the SAMI LCP 3-3
Configuring the SAMI Inactivity Timeout 3-3
Establishing a Session with a SAMI PPC 3-4
Assigning a Hostname to a SAMI PPC 3-5
Enabling the Supervisor to Store PPC Startup Configuration Files 3-6
Configuring VLAN Support 3-10
Permitting VLAN Traffic to Cisco SAMI 3-10
Configuring VLANs for the SAMI PPCs 3-11
Creating and Assigning VLANs Groups to the SAMI 3-11
Contents
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Configuring a Switched Virtual Interface on the MSFC 3-13
Configuring the VLAN Interfaces on the SAMI PPCs 3-14
Configuring Cisco IOS PPCs 3-14
Configuring COSLI PPCs 3-16
Verifying the Configuration 3-17
Configuring Network Clock Synchronization 3-19
Configuring Remote Console and Logging 3-20
Configuring RCAL Support on the Supervisor 3-21
Configuring RCAL Support on a SAMI PPC 3-23
Configuring RCAL Support on the SAMI LCP 3-24
Using RCAL 3-24
Configuring the Cisco Software Application on a SAMI PPC 3-27
L2 Connectivity Between SAMIs 3-28
4GB DRAM Support 3-29
SAMI Coredump, Crashinfo and Debuginfo Support 3-29
Debug Info Generation During RF-Induced Reload 3-30
Singleip 3-30
CHAPTER
4Maintaining and Monitoring the Cisco SAMI 4-1
Upgrading the SAMI Software 4-1
Verifying the SAMI Software Versions 4-2
Upgrading the SAMI Bundle from the Supervisor Engine 4-3
Managing the SAMI LCP Software 4-4
Saving and Viewing the LCP Configuration File 4-4
Saving the LCP Configuration File in Flash Memory 4-5
Viewing the LCP Configuration File 4-5
Using the SAMI LCP File System 4-5
Listing the Files in a Directory 4-6
Deleting Files 4-7
Viewing, Deleting, and Copying Core Dump Files 4-8
Manually Upgrading an LCP ROMMON Image 4-9
Verifying the LCP Software Version 4-9
Upgrading the LCP ROMMON Image When Using a Sup720/RSP720 4-9
Upgrading the LCP ROMMON Image When Using a Sup32 4-11
Manually Upgrading a PPC ROMMON Image 4-12
Reallocating SAMI PPC IO Memory 4-13
Recovering the SAMI 4-14
Recovering from a PPC Lockout 4-14
Contents
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Recovering—Session Loss 4-17
Recovering—LCP ROMMON or an Unstable LCP Image 4-17
Recovering—No Usable Image on the SAMI CF: 4-19
Configuring, Exporting, and Importing RSA Keys on a SAMI PPC 4-20
Establishing a Console Connection on the SAMI 4-23
Configuring Health Monitoring 4-24
PPC Health Monitoring 4-24
LCP Health Monitoring 4-27
Monitoring the SAMI 4-27
APPENDIX
AUsing the Command-Line Interfaces A-1
Using the Supervisor and SAMI Cisco IOS PPC CLI A-2
Getting Help A-2
Understanding Cisco IOS Command Modes A-2
Command-Line Completion A-4
Undoing a Command or Feature A-4
Saving Configuration Changes A-5
Using the Cisco SAMI LCP and COSLI PPC CLIs A-5
Using the SAMI LCP and COSLI PPC CLI Commands A-6
Getting CLI Help A-8
Using the ROM-Monitor CLI A-8
APPENDIX
BSupervisor Console Commands B-1
APPENDIX
CSAMI Cisco IOS PPC Commands C-1
APPENDIX
DSAMI COSLI PPC Commands D-1
APPENDIX
ESAMI LCP Commands E-1
Network Processor Console Command E-45
G
LOSSARY
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About this Guide
This preface discusses the objectives, audience, organization, and conventions of this document.
Note Use this document along with the documents listed in the “Related Documentation” section
on page 9.
•Audience, page 1
•Documentation Objectives, page 1
•Documentation Organization, page 2
•Documentation Conventions, page 2
•Safety Warnings, page 3
•Related Documentation, page 9
•Obtaining Documentation, Obtaining Support, and Security Guidelines, page 10
Audience
This user guide is written for network administrators and other people who are responsible for setting
up, installing, configuring, and maintaining the Cisco Service Application Module for IP (SAMI).
Only trained and qualified service personal (as defined in IEC 60950 and AS/NZS3260) should install,
replace, or service the equipment described in this user guide.
Documentation Objectives
This user guide provides an overview of the Cisco SAMI, including its physical and functional features.
Instructions on how to install and remove the SAMI, how to load images onto the module, and how to
complete the initial configuration required for the SAMI to operate in your Cisco 7600 Series Router are
included.
Note This document does not include configuration information for the Cisco software application running on
the SAMI processors. For configuration on this, see the documentation for that application and refer to
the “Related Documentation” section on page 9.
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About this Guide
Documentation Organization
This user guide is organized as follows:
Documentation Conventions
This guide uses the following conventions:
Chapter Chapter Title Description
1Cisco Service and
Application Module for
IP Overview
Describes the SAMI architecture, software and hardware
features, and system requirements.
2Installing the Cisco SAMI Describes general safety recommendations, site
preparations, required tools and equipment, and provides
steps to install, remove, and verify the installation of a
SAMI in your Cisco 7600 Series Router.
3Configuring the Cisco
SAMI
Describes how to complete the configuration required to
for the SAMI to operate in the Cisco 7600 Series Router.
4Maintaining and
Monitoring the Cisco
SAMI
Describes how to maintain and monitor the SAMI,
including the steps on how to upgrade the SAMI software,
and configure maintenance-related functions such as
monitoring path health and allocating processor memory.
Appendix A Using the Command-Line
Interfaces
Provides basic information about using the various
command-line interfaces (CLIs).
Appendix B Supervisor Console
Commands
Lists the commands supported at the Cisco Supervisor in
support of the Cisco SAMI, including the command syntax,
usage guidelines, and examples.
Appendix C SAMI Cisco IOS PPC
Commands
Lists the commands supported at the SAMI Cisco IOS PPC
console in support of Cisco IOS software applications,
including the command syntax, usage guidelines, and
examples.
Appendix D SAMI COSLI PPC
Commands
Lists the commands supported at the SAMI COSLI PPC
console in support of Cisco software applications,
including the command syntax, usage guidelines, and
examples.
Appendix E SAMI LCP Commands Lists the commands supported at the SAMI LCP console,
including the command syntax, usage guidelines, and
examples.
Convention Description
boldface font Commands and keywords; user-entered text.
italic font Variables for which you supply values.
[ ] Keywords or arguments that appear within square brackets are optional.
{x | y | z} A choice of required keywords appears in braces separated by vertical bars. You must select one.
screen font Examples of information displayed on the screen.
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About this Guide
Note Means take note. Notes contain helpful suggestions or references to material not covered in the user
guide.
Timesaver Means the described action saves time.
Tip Means the following information will help you solve a problem.
Caution Means be careful “to avoid any action” that could result in equipment damage or loss of data.
Safety Warnings
Safety warnings appear throughout this user guide in procedures that, if performed incorrectly, might
harm you. A warning symbol precedes each warning statement. The safety warnings provide safety
guidelines that you should follow when working with any equipment that connects to electrical power
or telephone wiring. Included in the warnings are translations in several languages.
boldface screen
font
Examples of information you must enter.
< > Nonprinting characters (for example, passwords) appear in angle brackets.
[ ] Default responses to system prompts appear in square brackets.
Convention Description
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About this Guide
Warning
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. Use the statement number provided at the end of
each warning to locate its translation in the translated safety warnings that accompanied this
device.
Statement 1071
SAVE THESE INSTRUCTIONS
Waarschuwing
BELANGRIJKE VEILIGHEIDSINSTRUCTIES
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. Gebruik het nummer van de verklaring onderaan de
waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt
raadplegen.
BEWAAR DEZE INSTRUCTIES
Varoitus
TÄRKEITÄ TURVALLISUUSOHJEITA
Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin
käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu
onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen
mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien
lausuntonumeroiden avulla.
SÄILYTÄ NÄMÄ OHJEET
Attention
IMPORTANTES INFORMATIONS DE SÉCURITÉ
Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant
entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez
conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures
couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des
avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,
référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.
CONSERVEZ CES INFORMATIONS
Warnung
WICHTIGE SICHERHEITSHINWEISE
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen
führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen
und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder
Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten
Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.
BEWAHREN SIE DIESE HINWEISE GUT AUF.
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About this Guide
Avvertenza
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.
Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le
traduzioni delle avvertenze riportate in questo documento.
CONSERVARE QUESTE ISTRUZIONI
Advarsel
VIKTIGE SIKKERHETSINSTRUKSJONER
Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du
begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med
elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten
av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne
enheten.
TA VARE PÅ DISSE INSTRUKSJONENE
Aviso
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de
lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos
perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de
prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para
localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.
GUARDE ESTAS INSTRUÇÕES
¡Advertencia!
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. Al final de cada advertencia encontrará el
número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña
a este dispositivo.
GUARDE ESTAS INSTRUCCIONES
Varning!
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. Använd det nummer som finns i slutet av
varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna
anordning.
SPARA DESSA ANVISNINGAR
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Aviso
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões
corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os
circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o
número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de
segurança traduzidos que acompanham o dispositivo.
GUARDE ESTAS INSTRUÇÕES
Advarsel
VIGTIGE SIKKERHEDSANVISNINGER
Dette advarselssymbol betyder fare. Du befinder dig i en situation med risiko for
legemesbeskadigelse. Før du begynder arbejde på udstyr, skal du være opmærksom på de
involverede risici, der er ved elektriske kredsløb, og du skal sætte dig ind i standardprocedurer til
undgåelse af ulykker. Brug erklæringsnummeret efter hver advarsel for at finde oversættelsen i de
oversatte advarsler, der fulgte med denne enhed.
GEM DISSE ANVISNINGER
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Related Documentation
For additional information that might be helpful when installing and configuring the Cisco SAMI in your
Cisco 7600 Series Router, refer to the following:
•Cisco Service and Application Module for IP Memory Upgrade Installation Note
•Cisco 7600 Series Router platform:
–
Release Notes for Cisco IOS Release 12.2SR for the Cisco 7600 Series Routers
–
Cisco 7600 Series Router Installation Guide
–
Cisco 7600 Series Router Module Installation Guide
–
Cisco 7600 Series Router Cisco IOS Command Reference
–
Cisco 7600 Series Router Cisco IOS System Message Guide
–
For information about MIBs, refer to:
http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml
These documents are available at:
–
Cisco 7600 Series Router home page on Cisco.com
Products & Solutions > Products > Routers and Routing Systems > 7600 Series Routers
–
Cisco 7600 Series Router technical documentation on Cisco.com
Products & Solutions > Products > Routers and Routing Systems > 7600 Series Routers >
in the Technical Documentation & Tools box on the right of the page, Cisco 7600 Series
Routers
•Cisco mobile wireless software applications that are supported on the Cisco SAMI include:
–
Cisco Wireless Security Gateway
Cisco 7600 Wireless Security Gateway, Release 2.0 Configuration Guide (and above)
Release Notes for the Cisco 7600 Wireless Security Gateway, Release 2.0 (and above)
–
Cisco Broadband Wireless Gateway (formerly the Cisco ASN Gateway)
Cisco Broadband Wireless Gateway for IOS Release 12.4(15)XL1 (and above)
Cisco Broadband Wireless Gateway 1.1 Command Reference, IOS Release 12.4(15)XL1
(and above)
–
Cisco Content Services Gateway (2nd Generation CSG2)
Release Notes for Cisco Content Services Gateway - 2nd Generation
Cisco Content Services Gateway - 2nd Generation Installation and Configuration Guide
–
Cisco Gateway GPRS Support Node (GGSN)
Release Notes for Cisco GGSN Release 8.0 on the Cisco SAMI, Cisco IOS Release 12.4(15)XQ
(and above)
Cisco GGSN Release 8.0 Configuration Guide, Cisco IOS Release 12.4(15)XQ (and above)
Cisco GGSN Release 8.0 Command Reference, Cisco IOS Release 12.4(15)XQ (and above)
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–
Cisco Mobile Wireless Home Agent (HA)
Cisco Mobile Wireless Home Agent Feature for IOS 12.4(15)XM
Command Reference for Cisco Mobile Wireless Home Agent Feature for Cisco IOS
Release 12.4(15)XM
Release Notes for the Cisco Mobile Wireless Home Agent Feature for Cisco IOS Release
12.4(15)XM
–
Cisco IP Transfer Point, Cisco IOS Release 12.2(25)IRA and above
http://www.cisco.com/en/US/products/sw/wirelssw/ps1862/products_feature_guides_list.html
–
Cisco Packet Data Serving Node (PDSN)
Cisco Packet Data Serving Node (PDSN) Release 3.5 for Cisco IOS Release 12.4(15)XN
Cisco PDSN Command Reference for IOS Release 12.4(15)XN
Obtaining Documentation, Obtaining Support, and Security
Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback,
security guidelines, and also recommended aliases and general Cisco documents, see the monthly
What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical
documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
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1
Cisco Service and Application Module for IP
Overview
This chapter describes the Cisco Service and Application Module for IP (SAMI).
•Cisco Service and Application Module for IP Overview, page 1-1
•Front Panel Description, page 1-10
•System Requirements and Specifications, page 1-12
Cisco Service and Application Module for IP Overview
The following versions of the Cisco SAMI are available:
•Cisco Service and Application Module for IP (WS-SVC-SAMI-BB-K9)
•spare Cisco Service and Application Module for IP (WS-SVC-SAMI-BB-K9=)
Additionally, a 4-GB memory option is available (MEM-SAMI-6P-4GB).
SAMI 4.0 will support 4GB DIMMs in addition to the presently supported 2GB DIMMs.
The SAMI hardware limits the number of ranks to 2.
Note Please reference the documentation for the Cisco software application you are using to determine if the
4-GB memory option is supported.
The Cisco SAMI, is a high-performance Cisco software application module that occupies one slot in the
Cisco 7600 Series Router platform.
With an IXP2800 network processor flow-distributor running at 1.4 GHz, and six PowerPCs (PPC)
running an instance of the same version of a Cisco software application at 1.25 GHz, the Cisco SAMI
offers a parallel architecture for Cisco software applications such as the Cisco Content
Services Gateway - 2nd Generation (CSG2), the Cisco Gateway GPRS Support Node (GGSN), the Cisco
Mobile Wireless Home Agent (HA), the Cisco Wireless Security Gateway (WSG), the Cisco Broadband
Wireless Gateway and Cisco IP Transfer Point (ITP), and the Cisco Long Term Evolution (LTE) Gateway
products.
A session to each Cisco software application on a SAMI PCC can be established from the supervisor to
configure, monitor, and troubleshoot the application.
Figure 1-1 illustrates the SAMI architecture:
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Chapter 1 Cisco Service and Application Module for IP Overview
Cisco Service and Application Module for IP Overview
Figure 1-1 SAMI Architecture
Crossbar switch
Proc 3
Bootflash
DDR
Proc 4
Bootflash
DDR
Proc 5
Daughter Board 1
Bootflash
DDR
Proc 6
Bootflash
DDR
Proc 7
Bootflash
DDR
Proc 8
Daughter Board 2
Bootflash
DDR
Proc 1
Network Processor
Switch Fabric Interface
Processor 0
Line Card Control Processor
EOBC
Compact
Flash
Crossbar switch
Crossbar switch
DB2 Console
DB1 Console
Module Console
NP1 Console
Gi0/0
Gi0/0
Gi0/0
Gi0/0
Gi0/0
Gi0/0
Proc 2
Network Processor NP2 Console
Security Processor
201747
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Chapter 1 Cisco Service and Application Module for IP Overview
Cisco Service and Application Module for IP Overview
Figure 1-2 illustrates the flow of data on the SAMI.
Figure 1-2 SAMI Data Flow
The following sections describe the primary SAMI hardware and software features:
•Hardware Features, page 1-3
•Software/Firmware Features, page 1-6
Hardware Features
The SAMI provides the following hardware features:
•Backplane Interface, page 1-4
•Line Card Control Processor, page 1-4
•Classification and Distribution Engine, page 1-4
•Network Processor, page 1-4
•Daughter Cards, page 1-5
Backplane interface
16bps Tx/Rx
CDE
Backplane
LCP
Security
Processor
FPGA
DC0
PPC 0 PPC 1 PPC 2
IXP0
IXP1
SAMI Base Card
FPGA
DC1
PPC 0 PPC 1 PPC 2
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Cisco Service and Application Module for IP User Guide
OL-13003-06
Chapter 1 Cisco Service and Application Module for IP Overview
Cisco Service and Application Module for IP Overview
Backplane Interface
The SAMI backplane interface is a switch fabric-enabled interface, with a supported bandwidth of
16 Gbps TX/RX.
Line Card Control Processor
On the SAMI, a BCM1250 dualcore CPU running at 700 MHz provides the following functionality as
the line card control processor (LCP):
•Brings up the module and various basecard elements and the SAMI daughter cards (DC0 and DC1).
•Interfaces with compact flash to store and retrieve daughter card images.
•Interfaces with supervisor engine during an image bundle upgrade, and automatically upgrades the
PPC ROMMON images during the upgrade.
•Provides an Ethernet Out-of-Band Channel (EOBC) interface to the daughter card PPCs that
supports features such as the session command, the execute-on command, and the remote console
and logging (RCAL) feature.
•Monitors the module (for example, temperature and path health) and manages the various
components on the module.
•Provides a 32-bit 33 MHz PCI interface to the network processor (IXP1) and daughter cards (DC0
and DC1).
•Sends error messages to the supervisor engine.
Classification and Distribution Engine
The SAMI classification and distribution engine (CDE) classifies and distributes packets to various
source and destinations on the board and provides the Cisco 7600 Series Router chassis backplane
interface.
The data flows (Figure 1-2 on page 1-3) are as follows:
•Backplane interface to the network processor (IXP0/1)—Ingress traffic is forwarded to IXPs based
on the CDE VLAN destination configuration.
•Network processor (IXP0/1 to daughter card 1 (DC0) and daughter card 2 (DC1)—IXP0 classifies
traffic and forwards to DC0/DC1 PPCs.
•DC0/DC1 to backplane interface—Egress traffic is forwarded to backplane interface. For some
applications such as PDSN, LTE PGW and LTE SGW, and the CSG 2, DC0/DC1 also sends packets
to Network Processor. Details are available in the respective applications guides.
•LCP to/from DC0/DC1—Control/management traffic.
•DC0 to DC1/DC1 to DC0—Inter-processor, inter-daughter card Cisco software application traffic.
Network Processor
A Intel IXP2800 network processor (IXP0/1) on the baseboard load balances which classifies ingress
packets for forwarding to the PPCs on the daughter cards.
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