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E-series Routers ! 5

Chapter 1: E-series Overview

E-series Routers

Five models of E-series routers are available:

! ERX-1440 router

! ERX-1410 router

! ERX-710 router

! ERX-705 router

! ERX-310 router

All models use the same software. However, the specific model determines the:

! Combination of line modules supported

! Conditions for line rate performance of line modules

! Type, capacity, and number of SRP modules used

ERX-14xx Models

The ERX-1440 router manages an extremely high volume of network traffic, and

uses a 40-Gbps switch route processor (SRP) module, either the SRP-40G or

SRP-40G+ module. (The SRP-40G+ module obsoletes the SRP-40G module;

however, the software continues to support both modules.) In this model, all line

modules operate at full wire speed simultaneously.

The ERX-1410 router manages high levels of network traffic, and uses the 10-Gbps

SRP module (SRP-10G). You can configure the ERX-1410 router to enable the line

modules either to operate at full line rate performance or to allow line modules to

operate at a rate dependent on the resources available. The former option restricts

the allowed combinations of line modules. For information on configuring

performance of line modules, see JUNOSe System Basics Configuration Guide,

Chapter 5, Managing Line Modules and SRP Modules.

Externally, the ERX-1440 chassis is the same as the ERX-1410 chassis (see Figure 4

and Figure 5). Both routers contain 14 vertical slots to accommodate modules.

Internally, the ERX-1440 chassis differs from the ERX-1410 chassis, and includes a

special midplane for the 40-Gbps SRP module.

NOTE: In the E-series documentation, the term ERX-14xx models refers to both the

ERX-1440 router and the ERX-1410 router. The terms ERX-1440 router and

ERX-1410 router refer to the specific models. See Figure 4 and Figure 5.

NOTE: The 10-Gbps SRP module used in the ERX-310 router is different from the

10-Gbps SRP module used in the ERX-1410 router. See section SRP Module, later in

this chapter, for more information.

Juniper E Series User Manual

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