Specifications
3-19
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 3 Commissioning the Cisco AS5800 Hardware
Verifying Basic Setup
Table 3-2 describes the memory locations shown in Figure 3-3.
To inspect the file system, enter the commands in the following bullet list:
View the different file storage areas and file management functions. Additionally, verify that you
have everything that you ordered from manufacturing (for example, Flash memory). The asterisk
(*) indicates the current directory.
Router#show file systems
File Systems:
Size(b) Free(b) Type Flags Prefixes
- - flash rw disk0:
- - flash rw disk1:
- - opaque rw null:
- - opaque rw system:
- - network rw tftp:
129016 128277 nvram rw nvram:
* 20578304 13263792 flash rw slot0: flash:
- - flash rw slot1:
3407872 1286636 flash rw bootflash:
- - opaque wo lex:
- - network rw rcp:
- - network rw pram:
- - network rw ftp:
7995392 5825440 flash rw dsc12-slot0:
- - flash rw dsc12-slot1:
3407872 1575412 flash rw dsc12-bootflash:
126968 126968 nvram rw dsc12-nvram:
Router#
Table 3-2 Memory Location Descriptions
Component Description
CPU (NPE200) Central processing unit.
Processor memory The Cisco IOS image is initially read out of 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.
slot0: flash:
slot1:
PCMCIA Flash memory cards in the router shelf.
They store Cisco IOS images, modem
firmware/portware, and custom web pages.
bootflash:
Flash memory on the Cisco 7206’s motherboard.
nvram:
Non-volatile configuration memory.
dsc12-slot0:
dsc12-slot1:
PCMCIA Flash memory cards in the DSC card.
dsc12-bootflash:
Flash memory on DSC card’s motherboard.
dsc12-nvram:
Non-volatile configuration memory in the DSC card.