Cisco Systems PRP-2=, PRP-1=, PRP-1/R=, PRP-2/R= Understanding the Software Configuration Register

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Additional Configuration and Maintenance Tasks

Additional Configuration and Maintenance Tasks

This section contains information on the following additional configuration, maintenance, and upgrade tasks:

•Understanding the Software Configuration Register, page 54

•Using Flash Disks in the PRP, page 61

•Removing and Installing a Compact Flash Disk, page 66

•Removing and Installing a Hard Disk Drive, page 67

•Recovering a Lost Password, page 69

•Upgrading PRP Memory, page 72

Understanding the Software Configuration Register

Configuring the software configuration register is described in the following sections:

•Description of the Software Configuration Register, page 54

•Boot Field Settings, page 57

•Configuring the Software Configuration Register, page 58

•Bits in the Software Configuration Register, page 59

Description of the Software Configuration Register

The software configuration register is a 16-bit register in NVRAM that you use to define specific system parameters. You can set or change the contents of this register to accomplish the following tasks:

•Define the source for the default Cisco IOS software. You can specify any of the following:

–Flash memory card inserted in PCMCIA slot 0

–TFTP server on the network

–Flash memory SIMM (NVRAM) on the RP

	Performance Route Processor Installation and Configuration Guide
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Contents Document Contents Important Information Router InformationSupported Platforms Cisco IOS Software Requirements PRP RedundancyHardware Revision Requirements Output from a later software release would be as followsProduct Overview Related DocumentationPRP Functions Shows the front panel view of the PRP-2PRP Components Cisco IOS Software Storage PRP Hardware Components PRP-1 Horizontal Orientation PRP-2 Horizontal Orientation Program boot image Type Size Quantity Description LocationMB fixed Secondary CPU cache memory functions Sdram Status LEDs Flash MemoryPRP LEDs Following LEDs are used on the PRPCisco IOS System Error Messages publications Display LEDsSoft Reset Switch Flash Disk SlotsAsynchronous Serial Ports Ethernet PortsHard Disk Drive Preparing for Installation Safety GuidelinesCompact Flash Disk Preventing Electrostatic Discharge Removing and Installing a PRP Required Tools and EquipmentWorking with Electrical Equipment Removing a PRP Illustrates the PRP installed in a chassis Ejector LeversShows the ejector levers in detail Installing a PRP Removing and Installing a PRP Checking the Installation PRP Boot ProcessStarting the System and Observing Initial Conditions Cisco IOS is enabled and this PRP is in standby mode Rommon for this PRP is enabled and recognized by the systemCisco IOS is enabled and this PRP is the active PRP LED Display DescriptionChecking the Installation Checking the Installation Verifying Interface Status Upgrading to the PRP ETH BitsUpgrading to the PRP Without Rebooting the Router Router# show redundancyRouter# dir disk1 Another disk or at another location SSO or RPR+ mode because the RPs are running the same imageIs correct, continue with Step Prompted to abort the copy, type nUpgrading to the PRP Upgrading to the PRP Upgrading to the PRP Upgrading to the PRP Upgrading to the PRP With Rebooting the Router Verify the disk contents using the dir disk1 commandUpgrading to the PRP Use the command upgrade rom-monitor slot rp-slot Differentiating Between PRP-1 and PRP-2 0x10Configuring Interfaces on the PRP Configuring an Ethernet InterfaceEthernet Interface Receptacles, Cables, and Pinouts RJ-45 receptacle Category 5 UTP cable with plug Ethernet Port Pin Signal Description Crossover Cable Pinout for Connecting Two PRPsLists Ieee 802.3u physical characteristics for 100BASE-TX Parameter RJ-45Parameter Ethernet Interface Cable Connection Procedure Configuring the Ethernet Interfaces Using the Ethernet Port on the PRPUsing Configuration Mode to Configure an Ethernet Interface Configuring the Console Interface Console and Auxiliary Port Connections Configuring the Auxiliary Interface Signal Input/Output DescriptionUnderstanding the Software Configuration Register Description of the Software Configuration RegisterAdditional Configuration and Maintenance Tasks Defines the bits in the software configuration register Bit Number Hexadecimal Value Meaning/FunctionBoot Field Settings Boot Field MeaningDescribed in Table Configuring the Software Configuration Register Command PurposeBits in the Software Configuration Register Action/Filename BitAddress net host Data Transmission Rate bps9600 4800 1200 2400 Using Flash Disks in the PRP About Flash DisksRemoving and Installing a Flash Disk in the PRP Product NumberInstalling and Removing a Flash Disk Installing a Flash Disk Working with Flash DisksBooting from a Flash Disk Boots the named file from the Flash disk in slotRemoving and Installing a Compact Flash Disk Removing the CF from the PRP-2 BoardRemoving and Installing a Hard Disk Drive Installing the Hard Disk Drive Recovering a Lost Password Initialize the router by entering the i command as follows Step Upgrading PRP Memory Locations of PRP Components and Memory 512 MB MB Dimm U15 MEM-PRP-512= MB DIMMs U15 and U18 GB Dimm U15GB DIMMs U15 and U18 Removing a Dimm Cisco Product Number Dimm Modules Sdram Dimm SocketsDimm Socket with Dual Release Levers Installing a Dimm Handling a Dimm Regulatory, Compliance, and Safety Information Checking the Dimm InstallationTranslated Safety Warnings and Agency Approvals Electromagnetic Compatibility Regulatory StatementsFCC Class a Compliance Canada Europe EURegulatory, Compliance, and Safety Information Vcci Class a Notice for Japan Class a Notice for Korea Obtaining Documentation Cisco.comProduct Documentation DVD Documentation Feedback Cisco Product Security OverviewOrdering Documentation Reporting Security Problems in Cisco Products For emergencies only security-alert@cisco.comProduct Alerts and Field Notices Obtaining Technical AssistanceCisco Technical Support & Documentation Website Submitting a Service Request Definitions of Service Request Severity Obtaining Additional Publications and Information Obtaining Additional Publications and Information OL-11656-01