Cisco XR 12416 Bedienungsanleitung PDF herunterladen (Seite 28)

Chapter 2 Preparing for Installation

PRP Port Connection Guidelines

2-28

Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide

OL-17440-01

PRP Ethernet Connections

The PRP has two RJ-45 MDI Ethernet ports; ETH0 and ETH1 (Figure 2-12).

Figure 2-12 PRP Ethernet Connections

These connections support IEEE 802.3 and IEEE 802.3u interfaces compliant

with 10BASE-T and 100BASE-TX standards. The transmission speed of the

Ethernet ports is autosensing by default and is user configurable.

The PRP Ethernet port does not provide external routing functions. Its primary

roles are to act as a Telnet port into the router, and to boot or access Cisco IOS XR

software images over a network to which the PRP Ethernet port is directly

connected.

Caution Cisco Express Forwarding (CEF) functions on these ports are switched off by

default for security reasons. We strongly caution you to consider the security

implications of switching on CEF routing functions on these ports.

PRIMARY

SLOT-1

SLOT-0

LINK

ETH 1ETH 0

LINK

PRIMARY

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Cisco XR 12416 Bedienungsanleitung Seite 28