how to reset cisco router password

This article describes how to configure a vswitch for a CISCO 3550 router and how to configure access control for a MAC address. In network management, users often encounter this situation: some users violate management regulations and modify their own IP addresses without permission to access restricted resources. Such behavior not only undermines information security rules, but may also cause network comm

The command line port of a cisco router uses a hierarchical structure, which requires logging on to different modes to complete detailed configuration tasks. From a security perspective, cisco IOS divides EXEC sessions into USER mode and privileged mode. Features of the USER mode: In USER mode, only basic monitoring commands are allowed. In this mode, the confi

The importance of vro configuration is self-evident. Here we mainly analyze the Cisco router configuration statements in detail, and share them with you here, hoping to help you. Introduction to Cisco router configuration Cisco ios operating environment. ROM monitor>

configuration information in NVRAMCopy run-config atartup config to save the information to NVRAMWrite to save the information to NVRAMErase startup-config clear configuration information in NVRAMShow ip interface briefBanner motd # + Information + # configure the router or switch descriptionDescription + information configuration interfaceVlan database enters VLAN database modeVlan + vlan ID + name create VLANSwitchport access vlan + vlan ID for VLA

access vlan 4 Switch (config-if) # no shutdown Switch (config-if) # exit Switch (config) # interface f0/3 Switch (config-if) # switchport mode trunk sets this port to relay mode) Switch (config-if) # no shutdown Witch (config-if) # exit. You can directly use ctrl + z or end to exit the privileged mode) 2. Configure single-arm routing on vrocisco Cisco 2611) Router # con

Huawei router and the same class Cisco router in the functional characteristics and configuration interface is completely consistent, some aspects also according to the needs of domestic users made a good improvement. For example, in English and Chinese can be switched configuration and debugging interface, so that users do not have to face a large pile of Englis

Initial installation of the CISCO router tutorial During the first installation, the system automatically enters the Dialog Setup, as prompted on the screen, answer the router name, encrypted super login password, super login password, remote login

for Cisco IOS software. IOS is usually stored in flash memory, but may also be stored in other locations, such as TFTP (simple File Transfer Protocol) servers. If the complete IOS image cannot be found, the lite version of IOS will be copied from ROM to RAM. This version of IOS is generally used to help diagnose problems, or to load the full version of IOS to RAM. Note: The TFTP server is usually used as the backup server for IOS, but can also serve

When you are in contact with a vro, it is very important to master the Cisco vro commands. It is easy for you to find it on the Internet. The following is my careful arrangement, which makes it easier for you to visually accept. I hope my work is not in vain. I. Starting with Cisco router command:Access-enable allows the rout