boot process and enter Rommon mode!
The input command changes the configuration register value to 0x2142, which causes the router to not read the configuration file in NVRAM when it is turned on. Then restart the router!The command is as follows:Rommon 1 > Confreg 0x2142//Change the configuration register value to 0x2142Rommon 3 > Reset//Restart router
When the router restarts, it goes directly to the Setup configuration mode, using "CTRL + C" or "N",Exit Setu
Tags: cisco switch password resetCisco switch, what do we do when we forget its login password? How do I clear its password? principle: Enter the bottom of the switch, by modifying the switch original profile name, after restarting the switch, the switch cannot find the original configuration file, it will load the def
Tag: Register BRE router exists reload conf device star RAMClear the password for the Cisco 1841 router:(1) The console line connects the computer and the router console port, through the terminal client connection, the router is powered on (if the device is started, press the power button, restart the router, wait for the router to start when the [Ctrl+break] key interrupts the normal boot process, into th
I. Network Environment:
The company uses a 3500 series vswitch (with a specific model of 3548) to connect a Huawei 2621 vro to the vswitch and access the Internet through optical fiber cables of China Telecom. Because I forgot the password, I tried to crack it.
2. preparations:
Because the entire work needs to be disconnected, after all, operations such as restarting the switch are involved, so the time is
IntroductionIf the asr9k is authenticated with a local user name password, you can enter the system by using the normal routing Reset password method to add a new user. The register value is modified.asr9k[0x82c05e7b3] Record Reboot, Reboot cause = 0x4000001, DESCR = Cause:user initiated forced reload all Process:reload traceback:70ed 0001 f50bdrebooting sentence ordinated 燞 R puff 鏗 "off 暤 Bootstrap, Versi
(you can also use the enable serect "changepassword" command to change the superuser password ). (6) type the following command to restore the original register: "Router (config) # config-reg 0x2102"; "Router (config) # ctrl-z "; "Router (config) # wr" storage disk. (7) restart the vrouter to "Router # reload ". The December 14 China Computer news D8 published an article about what to do when I forgot the
Tags: erase cmd terminal copy Cisco forgot password direct out settingLab tasks:1. Configure the password in Cisco mode routing2. How to reset the password after forgetting the passwordExperimental steps:1. Give Router a password:
Tags: Cisco router forgot enable passwordSteps:1. Restart the router that appears on the router ROM Monitor mode, press "Ctrl+breack" Key to enter ROM mode, such as:650) this.width=650; "title=" capture. PNG "style=" float:left; "alt=" Wkiol1nkiftr_sdkaaa1fp9kntk338.png-wh_50 "src=" https://s4.51cto.com/wyfs02/M00/A7/ 3d/wkiol1nkiftr_sdkaaa1fp9kntk338.png-wh_500x0-wm_3-wmp_4-s_2578187091.png "/> 0x2102
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