Juniper Networks M160 manual Part Initial Installation, Chapter Junos Internet Software Overview

M160 Internet Router Hardware Guide

		Host Module LEDs	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	31
		FPC LEDs and Offline Button	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	31
		Connector Interface Panel (CIP)	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	32
		Routing Engine Management Ports.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 33
		BITS Input Ports	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	34
		Alarm Relay Contacts	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	34
		Power System	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	35
		Power Supply	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	36
		Circuit Breaker Box	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	38
		Fuses	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	39
		Cooling System	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	39
		Cooling System Components	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	40
		Airflow through the Chassis	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	40
		Cable Management System	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	41
Chapter 3	JUNOS Internet Software Overview ..		43
		Routing Engine Software Components	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	43
		Routing Protocol Process	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	44
		IPv4 Routing Protocols	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	44
		IPv6 Routing Protocols	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	46
		Routing and Forwarding Tables	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	47
		Routing Policy	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	47
		VPNs	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	48
		Interface Process	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	49
		Chassis Process	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	49
		SNMP and MIB II Processes	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	49
		Management Process	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	49
		Routing Engine Kernel.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 49
		Tools for Accessing and Configuring the Software		50
		Tools for Monitoring the Software	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	50
		Software Upgrades	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	50
Chapter 4	System Architecture Overview ..		51
		Packet Forwarding Engine Architecture	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	51
		Data Flow through the Packet Forwarding Engine		52
		Routing Engine Architecture	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	53
		Routing Engine Functions	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	54
Part 2		Initial Installation
Chapter 5	Preparing for Router Installation . .		59
		Rack Requirements	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	59
		Rack Size and Strength	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	60
		Spacing of Mounting Holes	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	61
		Connection to Building Structure	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	62
		Clearance Requirements for Airflow and Hardware Maintenance		62
		Routing Node Environmental Specifications ..	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	62
		Fire Safety Requirements	.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .	63

vi Table of Contents