![]() Flash memory recommendations are also included. The SDRAM column provides processor memory information. Table 2-3 Worksheet for Various Hardware and Software Memory Requirementsġ See Cisco IOS Release Notes (listed under specific Cisco IOS releases) for memory requirements,Ĭisco IOS memory requirements are listed in the Cisco IOS Release Notes. Table 2-2 Sample Configuration (Cisco 7206 Router with an NPE-150 Installed)ġ Fast Ethernet port on the I/O controllerģSpecific to Cisco IOS Release 11.1CA, Release 11.1CC, Release 11.2P, Release 11.3T, Release 11.3AA, and Release 12.0 .ĤAdditional processor memory required for ISDN functionality. Then use the worksheet in Table 2-3 to determine the processor memory required for your configuration. Use the example in Table 2-2 to familiarize yourself with the criteria for determining processor memory required for your configuration. Sample Configuration Showing Processor Memory Required If you are a registered user on, you can access the Software Advisor at to get memory requirements. For Cisco IOS Release Notes, see the documentation page for Cisco IOS Software Configuration. Where can I find Cisco IOS memory requirements?Ĭisco IOS memory requirements are listed in the Cisco IOS Release Notes. The DRAM or SDRAM required by a Cisco 7200 series router to support a combination of installed port adapter types and a Cisco IOS software subset image is influenced by such variables as the features in the software you plan to use and the size of your network. What determines the amount of SDRAM or DRAM memory required? Table 2-1 Initial Memory Requirement Guidelines SDRAM and DRAM Options for NPEs and the NSE Determining Port Adapter and System Memory Requirements.Determining DRAM or SDRAM Required If the Router Has Only 32 MB of Memory (NPE-100, NPE-150, and NPE-200).Sample Configuration Showing Processor Memory Required.Determining Port Adapter and System Memory Requirements.This chapter contains the following sections: The NPE-G2 uses a single SDRAM DIMM for main memory. The NPE-G1 uses two SDRAM SODIMMs for main memory. The NPE-400 uses a single SDRAM SODIMM for main memory. Note The NPE-175, NPE-225, NPE-300, and NSE-1 use SDRAM DIMMs for main memory, whereas the NPE-100, NPE-150, and NPE-200 use DRAM SIMMs for main memory. Depending on the circumstances, you might need to determine the amount of main memory (DRAM or SDRAM) required by your Cisco 7200 series router to support a combination of installed port adapter types and a specific Cisco IOS software subset image.
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