Cisco 10008 User Manual

Cisco 10008 Router Performance Routing Engine 3 Installation

Product Number: ESR-PRE3

This publication contains instructions for installing and upgrading the Performance Routing Engine 3 (PRE3) in a Cisco 10008 router.

Finding Feature Information in This Module

Your Cisco IOS software release may not support all of the features documented in this module. To reach links to specific feature documentation in this module and to see a list of the releases in which each feature is supported, use the “Feature Information for Installing a PRE3” section on page 34.

Finding Support Information for Platforms and Cisco IOS Software Images

Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.

Product Overview

The Performance Routing Engine 3 (PRE3) is the fourth generation Parallel Express Forwarding (PXF) packet processing and scheduling engine for the Cisco 10008 router. Figure 1 shows the front of the Cisco 10008 router.

Figure 1 Cisco 10008 Router Chassis—Front View

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1 Blower module 5 PRE3—slot 0A

2 Primary Power Entry Module (PEM) 6 PRE3—slot 0B

3 Redundant PEM 7 Line card slots 5 to 8

4 Line card slots 1 to 4

The PRE3 performs all Layer 2 and Layer 3 packet manipulation related to routing and forwarding through the Cisco 10008 router. Its advanced application-specific integrated circuit (ASIC) technology supports very high performance throughput with IP services enabled on each port.

The PRE3 consists of two main logical and physical cards:

• The fast packet (FP) card—Performs fast path forwarding and output scheduling.

• The route processor (RP) card—Contains the configuration, management route processing engine,

and backplane interconnect. The FP card plugs into the RP card.

Cisco 10008 Router Performance Routing Engine 3 Installation

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Product Overview

The PRE3 runs Cisco IOS Release 12.2(31)SB2 and later releases. Benefits of the PRE3 include:

• 800-MHz dual processor

• Four PXF network processors arranged as 8 columns and 8 rows

• 128 Mbytes of configuration memory (per column) with Error-Correcting Code (ECC)

• 2 GB SDRAM with single error correction/double error detect ECC

• Two separate CompactFlash slots. The internal CompactFlash slot stores images to bootflash. The

• 256 MB packet buffer and 64 MB control memory ECC

• A 1000/100 Mbit Interprocess Ethernet interface for communications between redundant PRE3s

• A Hierarchical Queueing Framework (HQF) that provides a three level hierarchy for class, logic,

By centralizing packet processing in the PRE3, the Cisco 10008 router architecture frees up space on line cards, enabling high interface density, yet retaining the compact Network Equipment Business Systems (NEBS) transmission equipment form factor.

Redundant PRE3s

external CompactFlash slot is Disk0.

and physical levels

You can configure two PRE3s in a single chassis for redundancy. If the active PRE3 fails, the standby PRE3 automatically takes over operation of the router. Because all the line cards are physically connected to both the active and standby PRE3s, the failure of a single PRE3 does not require user intervention. If a failure occurs, all line cards automatically reset to the redundant PRE3. Startup and running configurations of the standby PRE3 are synchronized with the active PRE3, ensuring the fastest possible cut-over time if the active PRE3 fails.

PRE3 Front Panel

This section describes the PRE3 front panel (see Figure 2).

PRE3 Connectors

The front panel on the PRE3 contains three ports with RJ-45 connectors (see Figure 2).

• Console port (CONSOLE)—This asynchronous serial port is used to connect a terminal to the PRE3

• Auxiliary port (AUX)—This asynchronous serial port is used to connect a modem to the PRE3 for

• Network Management Ethernet (NME) Port (ETHERNET)—This Ethernet port is used to connect

for local administrative access.

remote administrative access.

the PRE3 to a Fast Ethernet port.

CompactFlash Card Slot

The internal CompactFlash card slot can store the Cisco IOS image or a system configuration file on a flash memory card. The system can also boot from the software stored on the flash memory card.

Cisco 10008 Router Performance Routing Engine 3 Installation

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Figure 2 PRE3 Front Panel

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Product Overview

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3 Network Management Ethernet (NME) Port 9 Slot0 (Disk0) LED

4 Activity and Link LEDs 10 Status, Fail LEDs

5 Push-button reset 11 BITS LED

6 Alarms: Critical, Major, Minor 12 Alphanumeric Display

LED Indicators and Buttons

LEDs on the front panel of the PRE3 provide a visual indication showing the status of PRE3 operation.

Table 1 describes the PRE3 LEDs and buttons. Use Figure 2 and Tab l e 1 to understand the LEDs and

buttons.

Note F or additional information about alarm connections, see the Cisco 10000 Series Router

Performance Routing Engine Installation, at the following URL:

http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/hdwr/index.htm

Table 1 PRE3 LED Status and Button Descriptions

2 106 12

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LEDs and Button Status Description

ACTIVITY Green Packets are being transmitted and received.

Off No activity.

LINK Green Carrier detected, the port is able to pass traffic.

Off No carrier detected, the port is not able to pass traffic.

Push-button reset n/a Resets the PRE3.

CRITICAL, MAJOR, and MINOR LEDs

Off No alarm.

Note Alarm relay contacts can be used to connect the router

to an external visual or audio alarm system. This feature enables any CRITICAL, MAJOR, or MINOR alarms generated by the router to activate the visual or audible alarms. Shutting off an audible alarm does not disable the alarm LEDs.

Yellow Indicates an alarm condition.

ACO (Alarm cut–off)

n/a Pressing this button disables an audible alarm.

button

Cisco 10008 Router Performance Routing Engine 3 Installation

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Product Overview

Table 1 PRE3 LED Status and Button Descriptions (continued)

LEDs and Button Status Description

CompactFlash Disk0 Green Disk0 is active.

STATUS Flashing

FAIL Yellow A major failure has disabled the PRE3.

BITS n/a Not supported.

Alphanumeric Display

The alphanumeric display on the front panel provides information on the state of the PRE3. The display consists of two four-character LED panels. Table 2 describes the most common messages. If you report a problem to Cisco, it is helpful to include the message on the PRE3 alphanumeric display in your problem report.

System is booting.

Yellow

Green PRE3 is active.

Flashing

PRE3 is standby.

Green

Off No power to PRE3.

Off The PRE3 is operating correctly.

Table 2 Messages on PRE3 Alphanumeric Display

Message PRE3 Status

1111, 2222, 3333, 4444, 5555, 6666, 7777

The PRE3 has just been powered on and is running its power-on self-test.

ROM DONE The PRE3 has loaded the ROM monitor. This message

appears briefly if the system is configured to boot a Cisco IOS software image. If the system is not configured to boot Cisco IOS, this message remains on the display and the rommon> prompt appears on the terminal window.

AUTO BOOT The ROM monitor is preparing to boot a Cisco IOS image.

BOOT IMGE A Cisco IOS image is starting to boot.

IOS STRT, IOS EXC, IOS FPGA, IOS FPOK, IOS FILE, IOS STBY, IOS INTF,

These messages appear in quick succession during the

boot process. IOS MEM, IOS DRVR, IOS LIB, IOS MGMT, IOS PROT, IOS CONF

IOS RUN [On the primary PRE3] The PRE3 has finished booting

and is running Cisco IOS. This is the normal operating

status for the primary PRE.

IOS STBY [On the secondary PRE3] The PRE3 is in standby mode

and ready to take over if the primary PRE3 fails. This is

the normal operating status for the secondary PRE3.

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Prerequisites and Preparation

Before you perform any of the procedures in this guide, we recommend that you:

• Read the safety guidelines in the next section and review the electrical safety and ESD-prevention

guidelines as described in the hardware installation guide for the Cisco 10008 router.

Cisco 10008 Router Hardware Installation Guide

http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/hdwr/8-hig/index.htm

• Ensure that the software configuration meets the minimum requirements for the installation (see the

“Software Compatibility” section on page 8).

• Ensure that you have all of the necessary tools and equipment before beginning the installation (see

the “Installation Guidelines” section on page 8).

• Have a terminal console connected to the PRE3 to configure the PRE3 after it is installed.

The following documents may be used as reference material while performing procedures in this document:

–

Cisco 10000 Series Router Performance Routing Engine Installation

http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/hdwr/index.htm

–

Cisco 10000 Series Internet Router Troubleshooting Guide

http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/tblshoot/trblgd/index.htm

Prerequisites and Preparation

Safety Guidelines

Before you begin the PRE3 installation procedure, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. Before you install, configure, or perform maintenance on the router, you should also review the safety warnings listed in the Regulatory Compliance and Safety

Information for Cisco 10000 Series Routers document.

Safety Warnings

Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement. The following warning is an example of a safety warning. It identifies the warning symbol and associates it with a bodily injury hazard.

Warning

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

Statement 1071

SAVE THESE INSTRUCTIONS

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Note If you need translations of the safety warning, see the Regulatory Compliance and Safety Information

for Cisco 10000 Series Routers document.

Cisco 10008 Router Performance Routing Engine 3 Installation

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Software Compatibility

The PRE3 has specific Cisco IOS software requirements.

Table 3 shows the minimum required Cisco IOS software for the PRE3.

Table 3 PRE3 Software Compatibility

PRE3 Product Number Cisco IOS Release Minimum Cisco IOS Release

ESR-PRE3 12.2(31)SB2 12.2(31)SB2

Use the show version command to display the system software version that is currently loaded and running.

If the output of the show version command indicates that the Cisco IOS software is a version earlier than the version identified as the minimum Cisco IOS software release in Tab le 3, check the contents of the CompactFlash memory to determine if the required images are available on your system.

The output of the show flash command provides a list of all files stored in the CompactFlash memory. If the correct software version is not installed, contact Cisco Customer Service (see the “Obtaining

Technical Assistance” section on page 37).

Installation Guidelines

This section contains guidelines for the following:

• A new installation

• A replacement installation

• The required tools and equipment

The PRE3 is hot-swappable, which means you can remove and replace a PRE3 while the system is operating—if you have a standby (redundant) PRE3 installed in the chassis. This feature allows you to add, remove, or replace a PRE3 while the system maintains all routing information and ensures session preservation.

Caution Replacing the active PRE3 in a non-redundant chassis (no standby PRE3) causes a system shutdown and

stops all traffic. If possible, alert all subscribers that the system will not be functioning during the replacement.

Caution To prevent electrostatic discharge (ESD) damage, handle the PRE3 by the faceplate or the card carrier

edges only. Avoid touching the printed circuit board and its components, or any connector pins.

New Installation Guidelines

If you are replacing the PRE3 in a non-redundant system, you must configure the PRE3 using the configure command. For configuration information, refer to the “Configuring a PRE3” section on

page 14.

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Replacement Installation Guidelines

If the PRE3 is replaced in a redundant system containing two PRE3s, the standby (or newly installed) PRE3 automatically assumes the configuration of the active PRE3; do not configure the new PRE3.

Required Tools and Equipment

You need the following tools and equipment to install the PRE3:

• A 3/16-inch flat-blade screwdriver

• An ESD-preventive wrist or ankle strap with connection cord

• A terminal console to connect to the PRE3 after it is installed

Powering Off the System

If you are installing or replacing a single PRE3, power down the system using the following procedure:

Installation Guidelines

Caution If you have redundant Power Entry Modules (PEMs), set both power switches to the off (0) position. See

Figure 3 for the DC PEM power switch and Figure 4 for the AC PEM power switch.

Step 1 Attach an antistatic strap to your wrist or ankle and to an ESD socket on the chassis, or to a bare metal

surface on the chassis or frame.

Step 2 Set the power switch to the off (0) position.

Step 3 Go to the Installing or Replacing a PRE3, page 11.

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Cisco 10008 Router Performance Routing Engine 3 Installation

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Installation Guidelines

Figure 3 Setting DC Power Switch to the Off Position

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Cisco 10008 Router Performance Routing Engine 3 Installation

OL-8544-01

Installing or Replacing a PRE3

This section describes how to install or replace the PRE3 in the Cisco 10008 chassis. It contains the following information:

• Installing a PRE3, page 11

• Configuring a PRE3, page 14

• Removing a PRE3, page 14

• Troubleshooting the Installation, page 15

Installing a PRE3

Use the following procedure to install the PRE3 into slot 0A or slot 0B in the Cisco 10008 chassis.

Step 1 Attach an antistatic strap to your wrist or ankle and to an ESD socket (see Figure 5) on the chassis, or to

a bare metal surface on the chassis or frame.

Step 2 Grasp the faceplate (see Figure 6) of the PRE3 with one hand and place your other hand under the frame

of the PRE3 to support the weight of the PRE3. Position the PRE3 in front of the chassis slot.

Installing or Replacing a PRE3

Step 3 Carefully align the upper and lower edges (see Figure 6) of the PRE3 with the upper and lower guides

in the chassis, and slide the PRE3 into the slot until you can feel it begin to seat in the backplane connectors.

Step 4 Simultaneously pivot both ejector levers (see Figure 7) toward each other, until they are parallel to the

faceplate, to firmly seat the PRE3 in the backplane.

The PRE3 cycles through its power-on self-test. The FAIL LED stays on briefly (10 to 15 seconds) and then shuts off.

Step 5 Tighten the top and bottom captive screws (see Figure 8) to secure the PRE3 to the chassis.

Caution To ensure that there is adequate space for additional line cards, always tighten the captive

screws on each newly installed PRE3 before you insert a standby PRE3 or any additional line cards. The captive screws prevent accidental removal and provide proper grounding for EMI shielding.

Step 6 Refer to the “Configuring a PRE3” section on page 14 for information about configuring the PRE3.

OL-8544-01

Cisco 10008 Router Performance Routing Engine 3 Installation

11

Installing or Replacing a PRE3

Figure 5 ESD Chassis Connection

POWER

FAULT

MISWIRE

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CISCO

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OC–12/STM–4 POS SM–IR

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PROCESSOR ONLY

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1 ESD socket

Figure 6 Inserting and Removing the PRE3

F

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CAUTION

When hot swapping this fan tray, removal and replacement must be done in under two minutes or system shutdown will occur.

1

2

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0A

PROCESSOR ONLY

0B

ALARMS

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P/N

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32682

Cisco 10008 Router Performance Routing Engine 3 Installation

OL-8544-01

Cisco 10008 User Manual

Contents

Product Overview

Redundant PRE3s

PRE3 Front Panel

PRE3 Connectors

CompactFlash Card Slot

LED Indicators and Buttons

Alphanumeric Display

Prerequisites and Preparation

Safety Guidelines

Safety Warnings

Software Compatibility

Installation Guidelines

New Installation Guidelines

Replacement Installation Guidelines

Required Tools and Equipment

Powering Off the System

Installing or Replacing a PRE3

Installing a PRE3