Question 1

What is the default username and password for the Cisco IOS?

Accepted Answer

The default login for the Cisco IOS is: (blank) / c (web-ui); private ReadWrite access / secret (snmp); ripeop / (blank) (web-ui); cisco / cisco (web-ui); enable / cisco (web-ui); (blank) / cc (web-ui); (blank) / cisco (web-ui); (blank) / Cisco router (web-ui); public ReadOnly access / secret (snmp); cisco / cisco (web-ui); (blank) / cc (web-ui); (blank) / Cisco router (web-ui); (blank) / cable-docsis (snmp); private ReadWrite access / secret (snmp); ripeop / (no pw) (web-ui).

Question 2

How do I change the default password on the Cisco IOS?

Accepted Answer

Log in with the default credentials, then open the administration / user settings and set a strong, unique password. Leaving default credentials in place is a serious security risk — change them immediately on any production device.

Usuario	Contraseña	Acceso	Versión / firmware	Notas
(vacío / ninguno)	`c`	Web UI	2600 series	but these are common misconfigurations
`private ReadWrite access`	`secret`	SNMP	N/A	Read-Write
`ripeop`	(vacío / ninguno)	Web UI	N/A	—
`cisco`	`cisco`	Web UI	N/A	—
`enable`	`cisco`	Web UI	N/A	—
(vacío / ninguno)	`cc`	Web UI	N/A	—
(vacío / ninguno)	`cisco`	Web UI	N/A	—
(vacío / ninguno)	`Cisco router`	Web UI	N/A	—
`public ReadOnly access`	`secret`	SNMP	N/A	Read
`cisco`	`cisco`	Web UI	—	—
(vacío / ninguno)	`cc`	Web UI	—	—
(vacío / ninguno)	`Cisco router`	Web UI	—	—
(vacío / ninguno)	`cable-docsis`	SNMP	12.1(3)	SNMP read-write
`private ReadWrite access`	`secret`	SNMP	—	Read/Write
`ripeop`	`(no pw)`	Web UI	—	—

Cisco IOS — Default Password

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