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After some interface information displays, the prompt appears as follows: Router> Step 10 Enter the enable command to enter enabled mode. The prompt changes to the following: Router# Step 11 Enter the show start-up config EXEC command to display the enable password in the configuration file. Step 12 Enter the configure terminal command at the EXEC prompt. You are prompted as follows: Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# Change the configuration register value back to its original value (noted from Step 3.) Change it to a value of 0x0102 (factory default) using the config-register 0x value command. Step 13 Press Ctrl-Z or type end to exit configuration mode. Step 14 Reboot the router and enable it using the recovered password. 72 Performance Route Processor Installation and Configuration Guide OL-11656-01 Additional Configuration and Maintenance Tasks Upgrading PRP Memory This section provides the procedure for increasing the amount of SDRAM on a PRP by replacing up to two SDRAM DIMMs that reside on the PRP. The SDRAM DIMM sockets are U15 (bank 1) and U18 (bank 2). (See Figure 20.) The default SDRAM configuration for PRP-1 is 512 MB DIMM in U15. If two memory modules are installed, they must be the same memory size. The default SDRAM configuration for PRP-2 is 1 GB DIMM in U15. If two memory modules of different size are installed, the larger DIMM must be installed in bank 1 (U15). Note The DIMMs in Figure 20 show a generic representation of the SDRAM DIMMs for your PRP. To be assured that you are using the correct DIMMs, refer to the specific part numbers for your SDRAM upgrade kit and to the Cisco part numbers on the DIMMs. (See Table 15 and Table 16.) Performance Route Processor Installation and Configuration Guide OL-11656-01 73 Additional Configuration and Maintenance Tasks 74 Performance Route Processor Installation and Configuration Guide OL-11656-01 Figure 20 Locations of PRP Components and Memory 1 Backplane connector 6 Ethernet ports 2 Flash SIMM (Socket number P3) 7 Auxiliary port 3 SDRAM DIMMs Bank 1 - Socket number U15 Bank 2 - Socket number U18 8 Console port 4 Ejector lever 9 Handle 5 Flash disk slots 10 Display LEDs EJECT RX TX PRIMARY SLOT-1 SLOT-0 LINK EN RX TX ETH 0 ETH 1 AUX CONSOLE PERFORMANCE ROUTE PROCESSOR 1 (PRP-1) LINK PRIMARY EN RESET 75042 2 4 1 5 6 7 8 9 10 3 Additional Configuration and Maintenance Tasks Before proceeding, ensure that you have the proper tools and ESD-prevention equipment available. To upgrade SDRAM, you will install DIMMs in one or two banks (U15 and U18). Table 15 and Table 16 list the various available configurations of SDRAM DIMMs, the number of DIMMs for each configuration, and the SDRAM banks they occupy. Note which banks you should use, given the combinations of available DIMM sizes and the maximum SDRAM you require. Note Depending on the configuration of your router and the protocols and features your system is running, you might require more than the default SDRAM provided. Upgrade SDRAM based on your requirements and the information in Table 15 and Table 16. Table 15 Supported PRP-1 Route Memory Configurations Total Route Memory Cisco Product Number DIMM Modules SDRAM DIMM Sockets1 512 MB2 — 1 512-MB DIMM U15 1 GB MEM-PRP-512=3 2 512-MB DIMMs U15 and U18 1 GB4 MEM-PRP-1G= 1 1-GB DIMM U15 2 GB 2MEM-PRP-2G= 2 1-GB DIMMs U15 and U18 1. Bank 1 (U15) must be populated first. 2. One 512-MB DIMM is the default SDRAM configuration for PRP-1. 3. Upgrades PRP to 1 GB by adding a second 512-MB DIMM. 4. 1.5-GB configurations are not supported. OL-11656-01 Performance Route Processor Installation and Configuration Guide 75 Additional Configuration and Maintenance Tasks Table 16 Supported PRP-2 Route Memory Configurations Total Route Memory Cisco Product Number DIMM Modules SDRAM DIMM Sockets1 1 GB2 MEM-PRP2-1G 1 1-GB DIMM Bank 1 (U15) 2 GB MEM-PRP2-2G 1x2G DIMM or 2x1G DIMMs Bank 1 (U15) and Bank 2 (U18) 3 GB3 MEM-PRP2-3G 1 2-GB DIMM + 1 1-GB DIMM Bank 1 (U15) and Bank 2 (U18)4 4 GB MEM-PRP2-4G 2 2-GB DIMMs Bank 1 (U15) and Bank 2 (U18) 1. Bank 1 (U15) must be populated first. 2. One 1-GB DIMM is the default SDRAM configuration for PRP-2. 3. A PRP-2 in the Cisco XR 12000 Series Router does not support a single memory card of 3-GB but it supports a combination of 1 GB on one DIMM and 2 GB on other DIMM. 4. The larger DIMM must be placed in Bank 1 (U15). Note If your system includes redundant PRPs, both PRPs should have the same memory size. Redundancy is not supported when using a GRP and a PRP in the same chassis. Cisco strongly recommends that you avoid configuring your router using mixed route processor cards. Refer to the Route Processor Redundancy Plus for the Cisco 12000 Series Internet Router publication for more information. Caution Only Cisco-approved memory is supported. Do not attempt to install other devices or non-Cisco approved DIMMs in the DIMM sockets. (See Table 15 and Table 16.) Rem...

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