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MOst important parts of boot up?

Hi there - can anyone tell me the most salient point s to remember on the boot reg pls? I have retained that 0xnnn0 is Rom monitor mode ,

0xnnn1 is to boot from flash and 0xnnn2 is to search in Nvram- can anyone tell me what else is vital to remember pls? There seems to be so many different combinations. many thanks.
Reply to
gregg johnstone
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I would also try to remember that 0x2102 is the default config register setting for 2600 series routers searching flash for the ios and then nvram for the startup-config. And that 0x2142 is used to ignore nvram (not loading the startup-config). This is used in the password recovery process.

Reply to
The Dude
0x2102 default settigs 0x2142 skip startup conf 0x2101 rxboot

regards

gregg johnst> Hi there - can anyone tell me the most salient point s to remember on

Reply to
dabance

Reply to
gregg johnstone

Yup, deffo worth remembering this, it's almost guaranteed to come up in the exam imo.

Reply to
dilan.weerasinghe

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