在配置路由器的時候，都需要路由器廠商提供的默認密碼來設置，才能正常的使用，這里主要介紹了一些常見的思科路由器默認密碼，希望會對您有所幫助。

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

絕大部分產品的調試都是要先通過產品自帶的雙絞線連接設奮后，把本機網卡的IP設置成跟該設奮同一網段，再進行配置，如設奮被改了默認的IP或者思科路由器默認密碼，大部分都可以通過復位來恢復出廠時的思科路由器默認密碼。最常用也是最有用的方法就是把設奮斷電后，一直按住復位鍵，然后通電，持續一小段時間后就可以恢復。