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About This Guide

Audience

This guide is intended for experienced system and network specialists working with E-series routers in an Internet access environment.

Conventions

Table 1 defines notice icons used in this guide, and Table 2 defines text conventions used throughout the book, except for command syntax. Table 3 provides command syntax conventions used primarily in the E-Series Command Reference Guide. For more information about command syntax, see E-Series System Basics Configuration Guide, Chapter 1, Planning Your Network.

Table 1 Notice icons

 

 

 

Icon

Meaning

Description

 

 

 

Informational note

Indicates important features or instructions.

 

Caution

Indicates that you may risk losing data or damaging your hardware.

 

Warning

Alerts you to the risk of personal injury.

 

Table 2 Text conventions (except for command syntax)

 

 

Convention

 

Description

Examples

Bold typeface

Represents commands and

Command example:

 

 

keywords in text.

 

Issue the clock source command.

 

 

 

Keyword example:

 

 

 

 

Specify the keyword exp-msg.

Bold Courier typeface

Represents text that the user must

user input

 

 

type.

 

 

Key name in angle brackets

Indicates the name of a key on the

Press <Enter>.

 

 

keyboard.

 

 

Key names linked with a plus sign

Indicates that you must press two or

Press <Ctrl+B>.

(+) in angle brackets.

more keys simultaneously.

 

 

Plain Courier typeface

Represents information as displayed

 

host1#show ip ospf 2

 

 

on your terminal’s screen.

 

Routing Process OSPF 2 with

 

 

 

 

Router ID 5.5.0.250

Router is an Area Border

Router (ABR)

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Juniper Networks ERX-310 Audience, Conventions, Icon Meaning Description, Convention Description Examples Bold typeface

ERX-710, ERX-310 specifications

Juniper Networks has long been a significant name in the networking sphere, and the ERX series, particularly the ERX-310 and ERX-710, highlights the company's commitment to providing robust, high-performance edge routing solutions. These routers are designed for service providers needing to support a wide array of services, including broadband, voice, and video over IP.

The Juniper ERX-310 is a compact and versatile access router suitable for small to medium-sized service providers. It features scalable architecture that can grow with the operator's needs. With its support for integrated T1/E1 interfaces, the ERX-310 allows seamless deployment of broadband services while providing QoS mechanisms to prioritize traffic effectively. Its modular design includes slots for additional interfaces, ensuring flexibility in deployment scenarios. The device is capable of processing millions of packets per second, thanks to its advanced forwarding architecture.

On the other hand, the ERX-710 is a more powerful option, targeting larger enterprises and service providers. This router also comes with modular capabilities, supporting various interface options and enabling efficient traffic management across multiple services. The ERX-710 supports advanced routing protocols, including BGP, OSPF, and IS-IS, ensuring reliable and efficient routing of IP packets across complex networks. With its ability to support a higher capacity of subscribers and concurrent sessions, the ERX-710 is designed to meet the increasing demands of modern broadband services.

Both routers come with robust security features, including access control lists (ACLs), firewalls, and the option for IPsec VPNs, ensuring that data integrity and confidentiality are maintained. Multicast support is another critical feature that enhances the ERX series' ability to deliver rich content services efficiently.

Furthermore, both models utilize Juniper's Chassis-based architecture, which allows operators to start small and scale up as needed without complete equipment overhauls. This architecture is complemented by Juniper's JUNOS operating system, renowned for its reliability and powerful network management capabilities, providing users with enhanced visibility into network operations.

In summary, Juniper Networks' ERX-310 and ERX-710 routers exemplify the company's innovation in network router technology, catering to different operational scales while ensuring efficiency, flexibility, and robust performance across diverse service environments. Their rich feature sets and adherence to industry standards make them suitable choices for service providers striving to deliver high-quality service in an increasingly data-driven world.