Router uses a systematic way to boot. It goes through the following process during bootup.--
POST-(Power On Self Test)-- Testing the H/W Components of Router
Load Bootstrap Loader from ROM to RAM and Execute it.Then Bootstrap loader locate the IOS image and copy it into RAM.
Locating the Configuration file if any in NVRAM .
Loading the Configuration file in RAM. if their is no file than the Router will prompt the user to enter Setup mode.
POST-(Power On Self Test)-- Testing the H/W Components of Router
Load Bootstrap Loader from ROM to RAM and Execute it.Then Bootstrap loader locate the IOS image and copy it into RAM.
Locating the Configuration file if any in NVRAM .
Loading the Configuration file in RAM. if their is no file than the Router will prompt the user to enter Setup mode.
what does "console" represent at the diagram above ?
ReplyDeletei just know that the config file exists on NVRAM or TFTP server.
best regards
westwind