Chapter 7. Interface Configuration


Webster's Dictionary defines the word interface as "the place at which independent and often unrelated systems meet and act on or communicate with each other." Interfaces allow communications between two entities. Examples of interfaces include the keyboard, mouse, and monitor of your PC; they allow you to communicate with your computer. Layers of the OSI model have standardized interfaces that allow communication up and down the protocol stack. Routers have interfaces that allow communication to and through them. These router interfaces can be physical or virtual; for example, a virtual interface is used as a logical process.

A router interface can also be known as a port, which also allows communication to another router or switch. An example is a console port on a Juniper Networks router that is designed to allow direct communication to the Internet processor. All interfaces and ports have the same function: to enable communication.

Interfaces are used to connect the router to other routers, network switches, or computers. Earlier chapters have demonstrated how routers are installed, accessed, and maintained . This chapter will discuss and illustrate how to enable the router to communicate with other devices ”connecting and configuring two routers to form a communications link.

Juniper Networks routers have feature-rich interface implementations . In this chapter, the available interface types and their configuration will be discussed. Virtual Router Redundancy Protocol (VRRP), MAC address filtering, VLAN support, QoS, CoS, and automatic protection switching (APS) are just some of the features supported by Juniper Networks interfaces that will be discussed here.



Juniper Networks Reference Guide. JUNOS Routing, Configuration, and Architecture
Juniper Networks Reference Guide: JUNOS Routing, Configuration, and Architecture: JUNOS Routing, Configuration, and Architecture
ISBN: 0201775921
EAN: 2147483647
Year: 2002
Pages: 176

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