Introduction to Cisco router Storage Classification

A Cisco router is a commonly used network device. But what is the storage type of a vro? We will give you a detailed introduction through this article, and hope to have a deeper understanding of Cisco routers after reading this article.
 
 
Memory category:
 
1: RAM: Random Access to memory, equivalent to computer memory
 
2: ROM: read-only memory. Some microcodes used to start and maintain the router are resident in the ROM.
 
3: FLASH Memory, equivalent to a computer's hard disk, stores IOS file Images
 
4: NVRAM: used to store STARTUP configuration files
 
Four execution modes:
 
1: User Mode: You can view but cannot change the vro settings
 
2: privileged mode: You can use some privileged commands to view more messages and change certain vro settings.
 
3: Global mode: You can change the vro settings and update the settings being executed in RAM.
 
4. other configuration modes: You can change the specific sub-configuration settings of the vro and update the settings being executed in RAM.
 
Password settings for different access methods:
 
Console port password settings
 
Router (config) # line console 0
 
Router (config-line) # login
 
Router (config-line) # password 123
 
Virtual port remote login:
 
Router (config) # line vty 0 4
 
Router (config-line) # login
 
Router (config-line) # password 123
 
0 4 indicates that virtual remote terminals 0 to 4 are allowed.
 
AUX port
 
Router (config) # line aux 0
 
Router (config-line) # login
 
Router (config-line) # password 123
This article is from the "dumb" blog