Cisco Service and Application Modules User guide

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Cisco Service and Application Module for

IP User Guide

June 2013

Text Part Number: OL-13003-06

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Cisco Service and Application Module for IP User Guide

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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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About this Guide

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About this Guide

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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About this Guide

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About this Guide

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

DB2 Console

DB1 Console

Module Console

NP1 Console

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

201918

1-4

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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Cisco Service and Application Modules User guide

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