NVRAM:- NVRAM is used for writable permanent storage of the startup configuration. This is where the configuration is saved when you type copy run start..
ROM: ROM stands for Read-Only Memory. ROM stores the router’s bootstrap startup program, operating system software, and power-on diagnostic test programs (the POST).
Flash:This is where the IOS is stored. Before upgrading you should check if the flash is big enough to hold the old and the new images or that you have to delete the old one before downloading the new one.
If I understand your question correctly the firmware =software, this is the one required to have your switch working and booting up. After which all the other show will be performed on the box.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...