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New Member

Why can't enter ROM ios when I config-register 0x2101 ?

Router boot into rommon when config-register is 0x2100.

But why router boot with IOS in flash when config-register is 0x2101 ?

thanks!

2 REPLIES
Silver

Re: Why can't enter ROM ios when I config-register 0x2101 ?

You will be in the RX-Boot image. CLI similar to a Router but does not do routing.

http://www.cisco.com/en/US/products/hw/routers/ps233/products_tech_note09186a00800941aa.shtml#rxboot_what

Refer to this link for more

New Member

Re: Why can't enter ROM ios when I config-register 0x2101 ?

thanks for your reply.

I want to be in RX-Boot image . But router don't .

After router reboot with 0x2101,I issue "sh ver" and running IOS is 12.3(14)T5. So I think router still use IOS in flash and NOT RX-Boot .

thanks!

sh ver

Cisco IOS Software, 3800 Software (C3845-IPBASE-M), Version 12.3(14)T5, RELEASE SOFTWARE (fc2)

...

System image file is "flash:c3845-ipbase-mz.123-14.T5.bin"

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