Connecting the prp to an ethernet network – Cisco XR 12406 User Manual
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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
and
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.