I'm not quite following you because 2600 can store and execute IOS from Flash. However, there is a minimum requirement for both DRAM and Flash. Mostlikely you are getting that statement about file being too large.
What is the file name or version and feature set you are trying to load? Do you know how much flash and DRAM do you have?
I think that the post from Seth is fairly clear (even though Seth is not clear on some operational aspects) that the image that he wants to run requires more flash than is available on the router and that the solution is to boot from TFTP.
While we normally think of Cisco routers storing the IOS image file in flash and reading it from flash at boot time, there are some options that operate differently. One of those options is to boot from a TFTP server. To do this you would configure boot system tftp instead of the usual boot system flash. Here is how it looks in on line help:
test(config)#boot system ?
WORD TFTP filename or URL
flash Boot from flash memory
ftp Boot from a server via ftp
mop Boot from a Decnet MOP server
rcp Boot from a server via rcp
rom Boot from rom
tftp Boot from a tftp server
test(config)#boot system tftp ?
WORD System image filename
If you do this at boot time the router sends a TFTP read request to the server for the image file and boots the resulting image. I have sometimes done this if I want to try out a new image without going through the process of loading it to the router.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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