Installation guide
17
Cisco AS5850 Universal Gateway Commissioning Guidelines
78-10537-04
How to Commission the Cisco AS5850 Universal Gateway
disconnect-character 0
modem InOut
no modem status-poll
no modem log rs232
escape-character soft 0
escape-character 0
hold-character 0
!
end
Explore the Cisco IOS File System
Familiarize yourself with the file system and memory storage areas. The Cisco IOS file system provides
a consolidated interface to the following:
• Compact-flash memory file system
• Network file system (TFTP, rcp, and FTP)
• Any other endpoint for reading or writing data (such as NVRAM, SPE firmware, the running
configuration, ROM, raw system memory, Xmodem, and flash load helper log)
Figure 3 shows the memory locations inside the Cisco AS5850.
Figure 3 Cisco AS5850 Memory Locations
Table 1 describes the memory types on the Cisco AS5850.
nvram
36549
bootflash:
disk0:
CPU
Processor
memory
Packet I/O
memory
Table 1 Memory Descriptions
Component Description
CPU Central processing unit.
Processor memory The Cisco IOS software image is initially read out
of compact-flash memory, decompressed, and
loaded into processor memory (also known as
main memory). Routing tables, call-control
blocks, and other data structures are also stored
here.
Packet I/O memory Packets are temporarily stored in I/O memory.
disk0:
or
flash:
Compact-flash memory cards in the
route-switching module. These cards store
Cisco IOS software images, modem
firmware/portware, and custom web pages.