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CCNA Common commands Chinese comments Access-enable allows the router to create a temporary Access list entry Access-group in the dynamic Access list (ACL) access-list on the application interface defines a standard ip acl www.2cto.com Access-template. Manually replace the temporary Access list entry Appn on the connected router and send the command to the APPN subsystem. The ATM sig executes the ATM signaling command B. manual guide operating system Bandwidth setting interface Bandwidth Banner

example ro Uter> enablerouter # configure terminalrouter (conf) # hostname routerArouterA (conf) # interface fastetthernet 0/17. 1 7: Set the port IP address information router> enablerouter # configure terminalrouter (conf) # hostname routerArouterA (conf) # interface fastehernet 0/17 using port 17 as an Example) # ip address 192.168.1.1 255.255.255.255.0 configure the ip address of the switch port and the subnet mask roupid (conf-if) # no shut is configured to be in the running status of roup

Cisco shuts down some infrequently used servicesOne, Cisco Discovery ProtocolCDP is a Cisco private protocol that runs on the second tier of all Cisco products and is used to share basic device information with other directly connected Cisco devices. Independent of media and protocols.The likelihood that hackers will use CDP information to re-survey attacks is relatively small. The CDP multicast frames must

(config-if) # description Set-port-information-here Router (config) # ^z Control of CDP: Router (config-if) # CDP enable router (config-if) # No CDP enable Router (config) # CDP run Router (config) # no CDP run Use of Ping: router# Ping ip-address router# ping Protoco

Access-enable allows routers to create temporary access list entries in the Dynamic access list Access-group applies access control lists (ACLs) to interfaces Access-list defines a standard IP ACL Access-template manually replace the temporary access list entry on the attached router APPN send commands to the APPN subsystem Atmsig Execute ATM Signaling command B manually boot the operating system Bandwidth set the bandwidth of the interface Banner MOTD Specify date information banner BF

tableShow mac-address-table aging-time View automatic aging time of mac address table9: Switch restore factory default recovery commandSwitch> enableSwitch # erase startup-configureSwitch # reload10: Duplex Mode settingsSwitch> enableSwitch # configure terminalSwitch2950 (conf) # hostname aptch-2950Aptech2950 (conf) # interface fastehernet 0/17 using port 17 as an ExampleAptech2950 (conf-if) # duplex full/half/auto has three Optional options: full, half, and auto11:

(config-line) # access-class ACL-NumberRouter (config) # ^ ZSet the Host Name:Router (config) # hostname set-hostnameRouter (config) # ^ ZRouter (config) # ^ ZSet User mode password:Router (config) # Line console 0Router (config-line) # LoginRouter (config-line) # password set-PasswordRouter (config-line) # ^ ZSet the Telnet password:Router (config) # Line vty 0 4Router (config-line) # LoginRouter (config-line) # password set-PasswordRouter (config-line) # ^ ZSet the privileged mode password:Ro

, Generate running-config, load Login interface, If the startup-config is not found, the broadcast is sent to all interfaces, the TFTP isused to configure the router, and if TFTP is not found , the User Interaction Settings Dialog mode is initiated to initialize the configuration. Note: NVRAM nonvolatile random memory, which can save data after a power outage, is used to save permanently active configuration files. 2. Crack password(1)console line connected to the router, power on a second afte

) # ^ zSet the Host Name:Router (config) # hostname Set-HostnameRouter (config) # ^ zRouter (config) # ^ zSet User mode password:Router (config) # line console 0Router (config-line) # loginRouter (config-line) # password Set-PasswordRouter (config-line) # ^ zSet the Telnet password:Router (config) # line vty 0 4Router (config-line) # loginRouter (config-line) # password Set-PasswordRouter (config-line) # ^ zSet the privileged mode password:Router (config) # enable password Set-Password Router (c

-address-table ----------------------------------------------------cisco ----- discover protocol (CDP) the show cdp command mainly includes the following commands that can be used: switch # show cdpswitch # show cdp interface f0/24 switch # show cdp neighborsswitch # show cdp