Think of the router having three levels of intelligence. Most basic is the
Bootstrap image stored in ROM. Next comes the boot image. Then the IOS image
that the router runs in production. Each has its own prompt: rommon> ,
router(boot)>, router#. A boot image placed in bootflash: on a 7500 will
automatically load unless the configuration contains a boot bootldr command
pointing to another location. It is good, although not necessary, to have
the boot and running IOS image be from the same release. (Comments requested
from others on this point). The full IOS image that you run will have
various features. You determine what you need - then purchase it from Cisco.
If you have a service contract you may update (newer rev number) but not
upgrade (add features) your IOS image. This running image is stored on a
PCMCIA card (slot0: or slot1:) on the RSP card. Default behaviour is to load
the first image in slot0:
Use "cd" to set the default location. Use "pwd" to see the current default
location. Use boot system flash slot0: or 1:file name for other than default
location. If you have enough space on your PCMCIA card(s) you may store
multiple images. It then becomes easy to change. This is very useful when
updating - just in case the newer image doesn't behave as expected.
A long way to say that on a 7500 you need both a boot image and a running
image (the beefy one).
> -----Original Message-----
> From: Mixa [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 02, 2001 11:27 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Help for BOOTFLASH
>
>
> Daniel,
>
> I have a similar question. On the CCO, there is a file called
> bootflash
> image and it's about 5MB to dowload. Also, there are numerous
> images to
> download as well as as IP, IP/FW/IPSEC etc,. Which one is the
> image that a
> Cisco 7507 needs to upgrade. My brother asked me a question
> and I have no
> idea. He wants to flash the latest IOS 12.1.1 but very
> confuse. Where is
> that bootflash image go on the router? What about slot 0,
> slot 1. What about
> all the beefy features IOS?
>
> Thanks
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