Upgrading a Cisco IOS Software Image into Flash Memory
Cisco routers do not usually have a disk drive. Instead, they use other types of memory for different purposes, as shown in Figure 20-1.
Routers usually store IOS images in flash memory.
- Chapter 20. Managing IOS Files
- from Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide
- Publisher: Cisco Press
- Released: May 2013
Note the types of memory:
Flash and RAM are both valid types of memory, but they serve different purposes. Flash stores the compressed IOS software image while RAM stores the working memory (the image decompressed for runtime usage) and the running-config.
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