Cisco XR 12406 Manual de usuario descargar pdf (Pagina 110)

Chapter 3 Installing the Cisco XR 12406 Router

Connecting the PRP to an Ethernet Network

3-22

Cisco XR 12406 Router Installation Guide

OL-13831-01

Connecting the PRP to an Ethernet Network

The PRP includes two 10/100 Mbps Ethernet ports, each using an 8-pin RJ-45

receptacle for either IEEE 802.3 10BASE-T (10

Mbps) or IEEE 802.3u

100BASE-TX (100

Mbps) connections. The transmission speed of the Ethernet

ports is auto-sensing by default and is user configurable.

To connect cables to the PRP Ethernet interfaces (ports labeled ETH0 and ETH1),

attach the Category 5 UTP cable directly to a RJ-45 receptacle on the PRP.

Note The Ethernet interfaces on the PRP are end-station devices, not repeaters;

therefore, you must connect an Ethernet interface to a repeater or hub.

RJ-45 cables are not available from Cisco Systems, but are available from outside

commercial cable vendors.

Note Use cables that comply with EIA/TIA-568 standards. See Table 3-4 on page 3-25

and Table 3-5 on page 3-26 for cable recommendations and specifications.

Note To comply with Telcordia GR-1089 NEBS standard for electromagnetic

compatibility and safety, connect all console, auxiliary, and Ethernet interfaces

only to intrabuilding or non-exposed wiring or cabling. The intrabuilding cable

must be shielded and the shield must be grounded at both ends.

Caution The Ethernet ports are used primarily as Telnet ports into the router, and for

booting or accessing Cisco IOS XR software images over a network to which an

Ethernet port is directly connected. Cisco Express Forwarding (CEF) functions

are switched off by default for security reasons. Cisco strongly cautions you to

consider the security implications of switching on CEF routing functions on these

ports.

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Cisco XR 12406 Manual de usuario Pagina 110