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New Member

Missing flash in 2900XL; what class of flash is it, anyway?

While updating IOS in a bunch of 2900XL switches, I saw the following:

b7122r59B-wg-2924C-1-v1#sho ver

Cisco Internetwork Operating System Software

IOS (tm) C2900xl Software (C2900xl-C3H2S-M), Version 12.0(5)WC5, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-2002 by cisco Systems, Inc.

Compiled Tue 28-May-02 11:11 by devgoyal

Image text-base: 0x00003000, data-base: 0x0034A3C8

ROM: Bootstrap program is C2900xl boot loader

b7122r59B-wg-2924C-1-v1 uptime is 7 minutes

System returned to ROM by power-on

System restarted at 14:44:33 EDT Sun Jul 14 2002

System image file is "flash:c2900xl-c3h2s-mz.120-5.WC.bin"

cisco WS-C2924C-XL (PowerPC403GA) processor (revision 0x11) with 8192K/1024K bytes of memory.

Processor board ID FAA0308J0TG, with hardware revision 0x01

Last reset from power-on

Processor is running Enterprise Edition Software

Cluster command switch capable

Cluster member switch capable

24 FastEthernet/IEEE 802.3 interface(s)

32K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address: 00:50:80:70:7E:00

Motherboard assembly number: 73-3381-04

Power supply part number: 34-0834-01

Motherboard serial number: FAA03069H6T

Model revision number: A0

Model number: WS-C2924C-XL-A

System serial number: FAA0308J0TG

Configuration register is 0xF

b7122r59B-wg-2924C-1-v1#dir flash:

Directory of flash:/

2 ---x 1798272 Jan 01 1970 09:24:15 c2900xl-c3h2s-mz.120-5.WC.bin

20 ---x 333 Dec 31 1969 22:16:54 env_vars

6 ---x 108 Jul 14 2002 12:39:43 info

16 -rwx 8192 Jul 14 2002 12:42:37 e2rb.bin

181 ---x 108 Jul 14 2002 12:42:37 info.ver

17 -rwx 2423 Jul 14 2002 12:43:26 config.text

3612672 bytes total (1800704 bytes free)

b7122r59B-wg-2924C-1-v1#

Thus, it claims to have 8M of flash, but dir flash: only reports a total of 5413376 bytes. Where did the rest go?

Also, is there a good reference for the 2900 and 3500 XL file system commands? The "Using the Cisco IOS File System" doc talks about Class A, B, and C Flash File Systems, but doesn't include the "red-headed IOS" version in the switches.

2 REPLIES
Cisco Employee

Re: Missing flash in 2900XL; what class of flash is it, anyway?

The XL has 8MB DRAM and not 8MB flash. It has approximately 4mB flash and not 5413376 bytes as you mentioned. Document for reference

http://www.cisco.com/warp/public/473/36.shtml#Memory

New Member

Re: Missing flash in 2900XL; what class of flash is it, anyway?

I must have passed by that reference a dozen times, but made the leap from "8MB" to "flash" each time, blissfully skipping over "DRAM". What started all this was that the published update procedure failed when it ran out of flash. I assumed I didn't have enough flash, and went looking for a reason to justify that assumption. I'll read more carefully in the future; thanks.

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