在配置路由器的时候，都需要路由器厂商提供的默认密码来设置，才能正常的使用，这里主要介绍了一些常见的思科路由器默认密码，希望会对您有所帮助。

Cisco IOS 12.1(3) SNMP n/a cable-docsis SNMP read-write might run on many Ciscos
Cisco IOS 11.x-12.x SNMP n/a ILMI limited READ/WRITE
Cisco CiscoWorks 2000 admin cisco Admin
Cisco CiscoWorks 2000 guest (none) User
CISCO Cache Engine Console admin diamond Admin
Cisco ConfigMaker cmaker cmaker Admin
Cisco IOS Multi cisco cisco
Cisco IOS Multi enable cisco IOS technically has no default pw
cisco cva 122 Telnet admin admin Admin
Cisco IOS 2600 series Multi n/a c but these are common misconfigurations
Cisco CNR All CNR GUI admin changeme Admin This is the default password for Cisco Network Registrar
Cisco IOS Multi n/a cc
Cisco IOS Multi n/a cisco
Cisco IOS Multi n/a Cisco router
Cisco Netranger/secure IDS Multi netrangr attack
Cisco-Arrowpoint Arrowpoint admin system Admin

绝大部分产品的调试都是要先通过产品自带的双绞线连接设奋后，把本机网卡的IP设置成跟该设奋同一网段，再进行配置，如设奋被改了默认的IP或者思科路由器默认密码，大部分都可以通过复位来恢复出厂时的思科路由器默认密码。最常用也是最有用的方法就是把设奋断电后，一直按住复位键，然后通电，持续一小段时间后就可以恢复。