What is the "bootrom" or "bootstrap"?

in CCNA & CCENT
I've heard this mentioned on here before, but never knew what it was. I dont recall my book mentioning it. Is it something I should be aware of ? Apparently some people "need" to upgrade their bootstrap before installing new IOS's?
Thanks
Thanks
Comments
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forbesl Member Posts: 454
dissolved wrote:I've heard this mentioned on here before, but never knew what it was. I dont recall my book mentioning it. Is it something I should be aware of ? Apparently some people "need" to upgrade their bootstrap before installing new IOS's?
Thanks