cisco router password recovery

The steps below describe how to recover a password on the Cisco 600 series of routers. Step 1: Enter RMON mode. To do this, follow the steps below: Connect your PC to the console port of the router.Set your Terminal Access Program (such as HyperTerminal in Windows) to the following settings:Baud rate: 38400 bps recommended (standard 9600 bps possible)Data bits: 8Parity: NoneStop bits: 1Flow control: NonePow

whether you have loaded an IPSec IOS image that supports SSH. In our example, we will use the Cisco IOS command. Run the following command:Router> Show flashThis command displays the name of the loaded IOS image. You can use the result to compare the list of supported features of your supplier.After you verify that your device supports SSH, make sure that the device has a host name and a correctly configured host domain, as shown below:Router> config

-Negotiate with(can be automatically negotiated or manually configured, the routing protocol cannot be transferred at both ends in the case of Autonegotiation)4 , client (config-if) #ipmtu 1492-------------------- mtu value because pppoe data in encapsulation, A pppoe 8 5 , Client (config-if) #encapsulationppp------------- encapsulated into PPP6 , Client (config-if) #dialer pool7 , Client (config-if) #pppauthentication chap callin8 , Client (config-if) #pppchap hostname admin19 , C

EnConf tHostname Cisco3800Interface Loopback0IP address 6.6.6.6 255.255.255.0Interface fastethernet0/0Description WANIP address 119.200.27.50 255.255.255.252IP Nat ousideInterface FASTETHERNET0/1Description LANIP address 192.168.6.1 255.255.255.0IP nat InsideIP Route 0.0.0.0 0.0.0.0 113.200.27.49 Telecom Unicom Next hopIP Route 192.168.3.0 255.255.255.0 192.168.6.2IP Route 192.168.4.0 255.255.255.0 192.168.6.2IP nat Pool www 119.200.27.50 119.200.27.55 netmask 255.255.255.252IP nat inside source

Application (ACL) of the access control list of cisco router Integrated Experiment ii ip Address Configuration on each device, steps ======================================================== ========================================================== ======================================= Configure route R1: (config) # ip route 0.0.0.0 0.0.0.0 192.168.1.254 route www.2cto.com R2: (config) # ip route 0.0.0.0

Cisco Network Tutorial: vro register configuration objective: Register configuration is used to change the vro startup process. The Start bit consists of four hexadecimal registers www.2cto.com format: 0 xABCD value range from 0x0 to 0 xFFFF 0x2102: Industrial default value 0x2142: Start from FLASH, but do not use the configuration file (for Password Recovery) in

Cisco ASA iOS upgrade or RestoreFirst, pre-upgrade preparation work1 , prepare the iOS file you want to upgrade and the corresponding ASDM file2 , set up TFTP on a computer, configure the directory, and connect to the firewall (assuming the computer IP is 192.168.1.2)Second, upgrade steps1 , Telnet on the ASAasa>en// Enter privileged modeAsa#conft// Enter configuration mode2 , viewing files on the ASA, version information, and startup filesASA (con

the command to erase the firewall configuration is write erase instead of erase flash!When ASA5510 Flash is erase, how do you copy the new iOS to 5510? As follows:1, when the Flash is erase after the device will be unable to find the boot file and continue to restartLaunching BootLoader ...The Default configuration file contains 1 entry.Searching/for images to boot.No images in/Error 15:file not found2, enter the monitoring mode, restore the device system so that it can start normally. How do I

Cisco ASA iOS Upgrade or RestoreFirst, pre-upgrade preparation work1. Prepare the iOS files to be upgraded and the corresponding ASDM files2. Set up TFTP on a computer, setup the directory, and connect with the firewall (assuming the computer IP is 192.168.1.2)Second, upgrade steps1 , Telnet on the ASAasa>en//Enter privileged modeAsa#conft//Enter configuration mode2 , viewing files on the ASA, version information, and startup filesAsa (config) #dir//v

iOS is the core of router switch devices, iOS full name Internet operate system, Chinese is the meaning of the network operating system. He is like the computer operating system windows, although it is software but there are problems can not do any software operation. So if there's a problem with iOS, the routing switch will not work and the configuration commands will be gone. We can only fix it by reinstalling iOS. This article takes

Ciscoswitch password reset steps1.PCMachine has Breakmethod of the key1.1Interrupt Device startup Ctrl+break keyStep: Turn off the device and restart:Self decompressing the image: Press the Ctrl+break key when you start the device ##########################Monitor:command "Boot" aborted due to user interrupt1.2change the value of the configuration register to 0x2142(Two register values:0x2102 (Normal),0x2142 (do not read the saved configuration))s

The detailed steps for restoring the password of a Cisco switch are illustrated. If the password of a Cisco switch is improperly restored, the password will be lost. Today, we will contact the steps for restoring the password of a

Lab ReportPassword Recovery for routersLet's use the Cisco Packet Tracer simulator to emulate the password of the reset router! Let's first set up the Enable password for this router! Open the router's configuration interface! The

This article mainly introduces the Storage Classification of Cisco routers, as well as four execution modes and password settings for different access methods. I hope this article will help you. Memory category: 1: RAM: Random Access to memory, equivalent to computer memory 2: ROM: read-only memory. Some microcodes used to start and maintain the router are res

When a network device password is lost or forgotten, the network administrator needs to find a way to retrieve or reset the password. For network devices, switch and router password recovery reset operation method is very different, XP system house is described below. 1.

In fact, like computers, routers are operating system, but generally we do not use it, since there is an operating system, then the computer will also have the same system crash situation, the following to Cisco router as an example of how to carry out system recovery. First, we introduced here is Cisco

Cisco password ciphertext Encryption Settings! 15:51:24 Tag: Password [pushed to the Technical circle] Copyright Disclaimer: original works, allowed to be reproduced, please be sure to mark it as a hyperlink during Reprinting Article Original source, author information, and this statement. Otherwise, legal liability will be held. Http://zhengj3.blog.51cto.com/61

Cisco 2800 Password cracking1. Restart the router byCtrl + BREAK +FNKey to enter monitoring mode2. Modify the Register value to change the start orderRemmon>confreg 0x21423. Restart Routing in monitoring modeRemmon>resetLook, here we go into the system. User mode no passwordRouter>enablerouter#Copy Start Running-configDestination filename [running-config]?552 byt

1. CISCO's most basic experiment and password settingsGlobal passwordR1 # configure terminalR1 (config) # enable password XXXXConsole Logon password:Router # config terminalRouter (config) # line console 0Router (config-line) # exec-timeout 0 0 // set the console timeout value to zero, that is, never time out. The default value is 10 minutes.Router (config-line) # logging synchronous // block annoying conso

After setting up the router, there may be a long time will not go to configure, then there may be forgotten password situation, how to do it, the Huawei router as an example to introduce this knowledge. First, the Huawei router has saved several different configuration parameters, and stored in different memory module