Chapter 1
Planning Your Network
This chapter describes planning steps that will make it easier to configure the physical
interfaces, logical interfaces, and routing protocols for the Juniper Networks E Series
Broadband Services Routers in:
â– A new network that you are creating and implementing
â– An existing network that you are expanding
This chapter contains the following sections:
â– Platform Considerations on page 3
â– Edge Applications Overview on page 4
â– Layered Approach on page 6
â– Line Modules, I/O Modules, and IOAs on page 7
â– Interfaces on page 8
â– General Configuration Tasks on page 9
â– Configuring Virtual Routers on page 10
â– Configuring IPSec on page 10
â– Configuring Physical Layer Interfaces on page 10
â– Configuring Data Link-Layer Interfaces on page 17
â– Configuring IP Tunnels, Shared IP Interfaces, and Subscriber Interfaces on page 23
â– Configuring Routing Protocols on page 24
â– Configuring VRRP on page 25
â– Configuring Routing Policy on page 25
â– Configuring QoS on page 25
â– Configuring Policy Management on page 26
â– Configuring Remote Access on page 26
Platform Considerations
For information about the modules supported on E Series routers:
â– See the ERX Module Guide for modules supported on ERX7xx models, ERX14xx
models, and the Juniper Networks ERX310 Broadband Services Router.
Platform Considerations â– 3