Nonvolatile Ram Nvram

Nonvolatile RAM (NVRAM) stores a copy of the router's configuration file. The NVRAM storage area is retained by the router in the event of a power cycle. When the router powers up from a power cycle or a reboot (reload command), the IOS copies the stored configuration file from the NVRAM to RAM. To view the configuration file stored in NVRAM, issue the show startup-config command. In earlier versions of IOS (before version 10.3), the show config command was used to view the configuration file stored in NVRAM. In IOS versions 11.0+, both the show config and show startup-config commands will work.

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