Specifications

3-18
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 3 Commissioning the Cisco AS5800 Hardware
Verifying Basic Setup
1.6 Exploring the Cisco IOS File System
Get familiar with the file system and memory storage areas. The Cisco IOS File System (IFS) provides
a consolidated interface to:

The Flash memory file system

The network file system (TFTP, rcp, and FTP)

Any other endpoint for reading or writing data (such as NVRAM, modem firmware, the running
configuration, ROM, raw system memory, Xmodem, and Flash load helper log).
IFS first appeared in Cisco IOS Releases 11.3 AA and 12.0. For more information about IFS, refer to
the chapter Using the Cisco IOS File System in the Release 12.0
Configuration Fundamentals
Configuration Guide
at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/fun_c/fcprt2/fcifs.htm
Figure 3-3 shows the memory locations inside the Cisco AS5800.
Figure 3-3 Cisco AS5800 Memory Locations
nvram
30042
Dial shelf
interconnect
cable
bootflash:
slot1:
slot0: flash:
CPU
(NPE200)
Processor
memory
Packet I/O
memory
Router
shelf
dsc12-slot1:
dsc12-slot0:
dsc12-nvram:
dsc12-bootflash:
Dial
shelf