This might help:
Inside Cisco IOS Software Architecture - CCIE Professional Development
authors: Vijay Bollapragada, Russ White and Curtis Murphy
Cisco Press, ISBN 1578701813
CCO should have some information.
On the 7500s the boot image is stored there by default. The boot image can
also be placed on a PCMCIA card in either slot0: or slot1: However, a
statement must be placed in the config to use that alternate location.
TGE_7513#sh flash bootflash:
-#- ED --type-- --crc--- -seek-- nlen -length- -----date/time------ name
1 .. unknown 0FD57943 3CE2EC 21 3727980 Nov 01 1997 21:14:50
rsp-boot-mz.111-10.CA
3874068 bytes available (3728108 bytes used)
Note that show gives more information than dir
TGE_7513#dir bootflash:
-#- -length- -----date/time------ name
1 3727980 Nov 01 1997 21:14:50 rsp-boot-mz.111-10.CA
3874068 bytes available (3728108 bytes used)
TGE_7513#dir slot0:
-#- -length- -----date/time------ name
1 3557456 May 18 1995 23:35:57 rsp-k-mz.103-10
2 12261 Jun 01 2000 18:03:06 conf
3 12597 Feb 02 2001 23:02:57 start-up
4 4209360 Mar 30 2001 14:55:42 rsp-boot-mz_113-11a.bin
203200 bytes available (7792192 bytes used)
sh ru (following snipped from config)
boot system flash slot1:rsp-jsv-mz_113-11a.bin
boot bootldr slot0:rsp-boot-mz_113-11a.bin
enable secret
TGE_7513#sh boot
BOOT variable = slot1:rsp-jsv-mz_113-11a.bin,1;
CONFIG_FILE variable =
Current CONFIG_FILE variable =
BOOTLDR variable = slot0:rsp-boot-mz_113-11a.bin
Configuration register is 0x102
Slave auto-sync config mode is on
No slave installed in slot 7.
> -----Original Message-----
> From: Davide Bassani [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 02, 2001 6:06 AM
> To: '[EMAIL PROTECTED]'
> Subject: Help for BOOTFLASH
>
>
> Can someone help me on BOOTFLASH?
> I need detailed infos on how it works and what's its role in
> the routers.
>
> Thanks
>
> Davide
> Report misconduct
> and Nondisclosure violations to [EMAIL PROTECTED]
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