Types of memory in a router
1. ROM
(Read Only Memory)
It is minimum requirement to boot a router, it have POST program and also rommon mode.
2. Flash
It have IOS image in compress format. It can be
upgrade and backup.
3. NVRAM(Non-Volatile
RAM) It
contain startup-config or permanent settings
4. DRAM
(Dynamic RAM)
It contain running-config or temporary settings of a router.
To configure router:
Then we get list of available interface of a router and we
have to configure at least one interface during the customize settings. Give
full name of interface (not case sensitive) as shown in figure:
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