Where E-Series Routers Fit | Juniper Networks guide

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CHAPTER 1 E-Series Overview

Where E-Series Routers Fit In

Communications with the router can take place over a variety of media. Figure 1-1and Figure 1-2illustrate the location of E-series routers as an edge router in an end-to-end Internet network. In Figure 1-1, the customers are businesses using T1/T3 communication lines. In

Figure 1-2, the customers are using digital subscriber lines (DSLs) with a DSL access multiplexer (DSLAM).

Internet

Hub

Remote	T1/T3		OC3	Core	Remote
access		ERX			access

router				router	router

Hub

Desktop

Figure 1-1E-series router communicating over T1/T3 lines

Desktop

g013033

			Internet
PC	DS3		OC3	Core	Remote
	DS3	ERX	OC3	Core	access	Hub
		ERX		router	access	Hub
				router	router
Home office					router
Home office	DSLAM
	DSLAM

PC PC

Home office

Desktop

Figure 1-2E-series router communicating over DSL lines

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Juniper Networks Where E-Series Routers Fit, 1E-series router communicating over T1/T3 lines

Models: E-Series

Where E-Series Routers Fit In

Figure 1-2, the customers are using digital subscriber lines (DSLs) with a DSL access multiplexer (DSLAM).

Figure 1-1E-series router communicating over T1/T3 lines

Figure 1-2E-series router communicating over DSL lines