System Architecture Overview | Juniper Networks M10i instruction

Chapter 4: System Architecture Overview

Figure 14: Control Packet Handling for Routing and Forwarding Table Updates

Routing Engine Architecture ■ 37

Image 61

Juniper Networks M10i manual System Architecture Overview

Contents

Hardware Guide M10i Internet Router Hardware Guide End User License Agreement IiiPage Table of Contents Chapter Junos Internet Software Overview Part Initial Installation Part Procedures Chapter Replacing Hardware Components 135 Part Appendixes173 183 175189 199 Part Index M10i Internet Router Hardware Guide Xii Table of Contents Xiii List of Figures 132 List of Tables M10i Internet Router Hardware Guide Xvi List of Tables Objectives About This GuideAudience Hardware Guide Domain-name Documentation ConventionsText and Syntax Conventions Convention Description Sans serif typeface List of Technical Publications Junos Internet Software for Supported Routing Platforms Technical Documentation for Supported Routing Platforms Junos References Hardware Documentation Junos Internet Software Network Operations Guides Documentation Feedback Requesting Support Product Overview M10i Internet Router Hardware Guide Product Overview System Description System OverviewField-Replaceable Units FRUs AC System Redundancy System RedundancyField-Replaceable Units DC System Redundancy Safety Requirements, Warnings, and GuidelinesPage Router Chassis Hardware Component Overview Front of Chassis Midplane Chassis Physical Specifications Physical Interface Cards PICs Flexible PIC Concentrators FPCs Compact Forwarding Engine Board Cfeb PIC Components Cfeb Components Cfeb States for Cfeb LEDs Routing Engine Components Routing Engine Hardware Component Overview Routing Engine States for Routing Engine LEDs Routing Engine Interface Ports HCM Components High-Availability Chassis Manager HCM High-Availability Chassis Manager States for HCM LEDs Alarm LEDs Alarm LEDs Power SuppliesPIC Offline Buttons AC Power Supply Description Specification DC Power Supply States for Power Supply LED Power Supply LED Cable Management System Fan Tray Cable Management System Routing Engine Software Components Junos Internet Software Overview IPv4 Routing Protocols Routing Protocol Process Junos Internet Software Overview IPv6 Routing Protocols Routing Policy Routing and Forwarding Tables VPNs Chassis Process Interface ProcessSnmp and MIB II Processes Management Process Software Upgrades Tools for Accessing and Configuring the SoftwareTools for Monitoring the Software Packet Forwarding Engine Architecture System Architecture Overview Data Flow Through the Packet Forwarding Engine Packet Forwarding Engine Components and Data Flow Routing Engine Architecture Routing Engine Functions System Architecture Overview Page Initial Installation M10i Internet Router Hardware Guide Initial Installation Site Preparation Checklist Preparing for Router InstallationSite Preparation Checklist Rack Size and Strength Rack Requirements Typical Open-Frame Rack Spacing of Mounting Holes Clearance Requirements for Airflow and Hardware MaintenanceConnection to Building Structure Chassis Dimensions and Clearance Requirements Page Tools and Parts Required Unpacking the RouterUnpacking the Router Unpacking the Router Generic Inventory of Router Components Generic Inventory of Router Components M10i Internet Router Hardware Guide Unpacking the Router Moving the Mounting Brackets Installing the Mounting Hardware Moving the Mounting Brackets on the Chassis Installing the Cable Management System Installing the Cable Management System Page Installing the Chassis in the Rack Installing the Router Installing the Chassis in the Rack Installing the Chassis into a Open-Frame Rack Installing the Chassis into a Four-Post Rack Connecting the Router to Management Devices Connecting the Router Connecting to a Management Console or Auxiliary Device Connecting to a Network for Out-of-Band Management Connecting PIC Cables Connecting Power to an AC-Powered Router Providing Power to the Router Connecting Power to a DC-Powered Router RTN Powering On the Router M10i Internet Router Hardware Guide Configuring the Junos Internet Software Performing the Initial Configuration Root@# set system root-authenticationssh-dsapublic-key or Retype new password password or Address address/prefix-length Authentication-method password public-keyPage Part Page Maintaining Hardware Components Routine Maintenance ProceduresMaintaining the Cfeb Maintaining PICs and PIC Cables Maintaining the Fan Tray Maintaining PICs and PIC Cables Basics and Services Command Reference Maintaining the Power Supplies User@host show chassis routing-engine Maintaining the Routing EnginePage Overview of Troubleshooting Resources Troubleshooting Hardware ComponentsCommand-Line Interface LEDs Hardware and Interface Alarm MessagesLEDs on the HCM LEDs on Hardware Components Media Chassis Alarm Messages SONET/SDH Interface Alarm Messages Juniper Networks Technical Assistance Center Troubleshooting the Cfeb Troubleshooting PICs Troubleshooting the Fan Tray LED on All Supplies Are Blinking or Off Troubleshooting the Power SystemLED on One Supply Is Off User@host show chassis alarms Tools and Parts Required Replacing Hardware Components Removing a Fan Tray Replacing a Fan Tray Removing a Fan Tray Installing a Fan Tray Removing a Cfeb Replacing a Cfeb Removing a Cfeb Installing a Cfeb Removing an HCM Replacing an HCM User@host request chassis routing-engine master switch Services Command Reference Removing a Routing Engine Installing an HCM Replacing a PIC Installing the HCM Removing a PIC M10i Internet Router Hardware Guide Removing a PIC Installing a PIC M10i Internet Router Hardware Guide Removing a PIC Cable Replacing PIC Cables Installing a PIC Cable Replacing Hardware Components Replacing an SFP Connecting Fiber-Optic Cable to a PIC Small Form-Factor Pluggable SFP Removing an SFP Installing an SFP Replacing an AC Power Supply Replacing Power System Components Removing an AC Power Supply Removing an AC Power Supply Installing an AC Power Supply Installing an AC Power Supply Disconnecting and Connecting AC Power Connecting AC Power to the Router Disconnecting AC Power from the Router Replacing a DC Power Supply Removing a DC Power Supply Removing a DC Power Supply Installing a DC Power Supply RTN Installing a DC Power Supply Disconnecting and Connecting DC Power Disconnecting DC Power from the Router Connecting DC Power to the Router 48V Replacing Routing Engine Components Removing a Routing Engine Replacing the Routing Engine Services Command Reference Installing a Routing Engine Removing the PC Card Removing and Inserting the PC Card Removing the PC Card Inserting the PC Card Inserting the PC Card Removing and Inserting the Internal Flash Drive Removing the Internal Flash Drive Inserting the Internal Compact Flash Disk Inserting the Internal Flash Drive Configuring the Internal Compact Flash Disk Removing a Sdram Module Removing and Inserting Sdram ModulesInserting a Sdram Module Installing the Sdram Module Replacing Connectors to Routing Engine Interface Ports Replacing the Console or Auxiliary Cable Replacing the Management Ethernet Cable Console and Auxiliary Serial Port Connector Appendixes M10i Internet Router Hardware Guide Appendixes Definition of Safety Warning Levels Safety and Regulatory Compliance Information Safety Guidelines and Warnings General Safety Guidelines and Warnings Qualified Personnel Warning Restricted Access Area Warning Appendix a Safety and Regulatory Compliance Information Preventing Electrostatic Discharge Damage Fire Suppression Fire Safety RequirementsFire Suppression Equipment General Electrical Safety Guidelines and Warnings Electrical Safety Guidelines and WarningsCase of Electrical Accident Grounded Equipment Warning M10i Internet Router Hardware Guide Power Disconnection Warning Copper Conductors Warning TN Power Warning AC Power Electrical Safety Guidelines DC Power Electrical Safety Guidelines DC Power Disconnection Warning DC Power Grounding Requirements and Warning DC Power Wiring Sequence Warning DC Power Wiring Terminations Warning Installation Safety Guidelines and Warnings Chassis Lifting Guidelines Installation Instructions Warning Rack-Mounting Requirements and Warnings M10i Internet Router Hardware Guide Appendix a Safety and Regulatory Compliance Information Ramp Warning General Laser Safety Guidelines Laser and LED Safety Guidelines and WarningsClass 1 Laser Product Warning Class 1 LED Product Warning Radiation From Open Port Apertures Warning Laser Beam Warning Maintenance and Operational Safety Guidelines and Warnings Battery Handling Warning Jewelry Removal Warning Lightning Activity Warning Operating Temperature Warning Product Disposal Warning EMC Agency Approvals Canada Compliance Statements for EMC RequirementsEuropean Community United States JapanDeclaration of Conformity Compliance Statements for Environmental Requirements Lithium BatteryCompliance Statements for Acoustic Noise Page Router Environmental Specifications Environmental SpecificationsRouter Environmental Specifications Page Power Guidelines, Requirements, and Specifications Power Requirements, Guidelines, and SpecificationsSite Electrical Wiring Guidelines Distance Limitations for Signaling Component Power Requirements Router Power RequirementsRadio Frequency Interference Electromagnetic Compatibility Chassis Grounding AC Power, Connection, and Power Cord Specifications AC Power Cord Specifications DC Power, Connection, and Cable Specifications Cable Type Quantity and Specification Length DC Power and Grounding Cable Specifications DC Power and Grounding Cable Connections Page Network Cable Specifications and Guidelines Cable SpecificationsFiber Optic and Network Cable Specifications Signal Loss in Multimode and Single-Mode Fiber-Optic Cable Attenuation in SONET/SDH PICs Attenuation and Dispersion in Fiber-Optic Cable Calculating Power Margin for Fiber-Optic Cable Calculating Power Budget for Fiber-Optic Cable Link-Loss Factor Estimated Link-Loss Value Estimated Values for Factors Causing Link Loss Interface For 100BaseT RJ-45/RJ-45 Operation Connectors Page Locating Component Serial Numbers Contacting Customer Support and Returning Hardware Serial Number ID Label Cfeb Serial Number ID Label PIC Serial Number ID Label HCM Serial Number ID Label AC Power Supply Serial Number ID Label Power Supply Serial Number ID Label Contacting Customer Support Routing Engine Serial Number ID Label Information You Might Need to Supply to Jtac Return Procedure Packing the Router for Shipment Packing Components for Shipment Packing Components for Shipment Page RJ-45 Connector Pinouts for the Routing Engine Mgmt Port Cable Connector PinoutsRJ-45 Connector Pinout RJ-48 Connector to RJ-48 Connector Straight Pinout DB-9 Connector PinoutRJ-48 Cable Pinouts for E1 and T1 PICs RJ-48 Connector to RJ-48 Connector Crossover Pinout RJ-48 Connector to DB-15 Connector Straight Pinout V.35 Cable Pinouts for EIA-530 PIC RJ-48 Connector to DB-15 Connector Crossover Pinout EIA-530 PIC DB-25 Connector to V.35 Connector Pinout RJ-21 Cable Pinouts for Fast Ethernet 12-Port PIC DB-25 Connector to DB-15 X.21 Connector Pinout RJ-21 Pin Assignments Vhdci to RJ-21 Cable Index M10i Internet Router Hardware Guide Index Symbols PIC EMC EMI SFP PIC Cfeb Port Snmp See also warnings General