cisco router reboot command

Configure PPPoE for connecting a CISCO router to an ADSL modem using the Cisco router: hostname bjsite! Ip subnet-zero no ip domain-lookup! Vpdn enable no vpdn logging! Vpdn-group 1 request-dialin protocol pppoe! Interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 ip nat inside no ip mroute-cache!!!! Interface E

Restore factory settingsIn privileged mode, enter this command:router# Erase startup-config Restore factory settings Router#relod Rebooting the system650) this.width=650; "style=" width:334px;height:252px; "Title=" B1 (1). png "src=" http://s3.51cto.com/wyfs02/M02/5B/ 98/wkiom1unhf-iysyyaahgpff0iew611.jpg "width=" 588 "height=" 244 "alt=" wkiom1unhf-iysyyaahgpff0iew611.jpg "/>2. Modify the privileged passwordConfiguration command:Rommon 2〉confreg

For Cisco router authentication, when performing the cisco Route Selection protocol (r12002; VPN) authentication, the key is irrelevant to the key ID when using plain text (General authentication, during MD5 authentication, the key and key ID are related, that is, the key IDs and keys at both ends must be the same, for example, R1 (config) # key chain key1 R1 (co

CiscoRouter Security Configuration 1. Security Configuration of vro Access Control1. strictly control the administrator who can access the vro. Record Filing is required for any maintenance.2. For vrouters with remote access, we recommend that you use the access control list and high-strength password control.3. Strictly control access to the con port and set a high-strength password for the con port.4. disable this port if you do not use the Aux port. It is disabled by default. The forbidden

You can configure a serial interface through a virtual terminal. to configure a serial interface, follow these steps: 1. In Global mode, enter the command "interface serial 0" to enter the serial interface configuration mode. 2. Each connected serial interface must have an IP address and subnet mask to forward IP packets, in interface configuration mode, enter the "ip address 3. If the serial interface is connected to a DCE device, we also need to co

First, give an environment:Cisco router Intranet interface s1/0: 192.168.1.1 255.255.255.0Internet interface s1/1: 10.0.0.1 255.255.255.0Server ip Address: 192.168.1.100First telnet to the vrotelnet:User Access Verification Username: cisco # enter the user namePassword: # enter the PasswordRouter> en # Enter privileged ModePassword: # enter the privileged mode PasswordRouter # conf t # enter global configur

When the iOS corruption in router needs to be restored, Ctrl+break (Packettrace is CTRL + C) When the router starts, enters Rommon mode, and the command prompt changes to: Rommon 1>Then enter the following command:Rommon 1>IP_ADDRESS=A.B.C.D//router's current IP addressRommon Subnet mask for 2>ip_subnet_mask:x.x.x.x//routerRommon 3>default_gateway=y.y.y.y//

Cisco router reset enable password tutorial, ciscoenable Steps: 1. Restart the vro and press ctrl + Breack when ROM Monitor mode appears on the vro to enter ROM mode, for example: 2. Modify the vro register value, change the original register value 0x2102 to 0x2124, and then run the reset command to restart the device, for example: 3. After the password i

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

When a Cisco router forgets or loses the enable password, there are two methods to restore it, depending on the series of products you are using.Method 1Steps:1. Connect a terminal or a PC with simulation terminal software installed on the console port of the router.The default register value is 0x2102. The value ranges from the third digit to the left. If it is 1, it is disableBreak. If it is 0, the Break

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 de

Introduction of Cisco router command modes knowledge about Cisco router command modes is very helpful for network security management. network security management involves many aspects, but throughout many security events, we can

How to configure remote logon for a Cisco router IP Address Configure the vro IP Address Run the command ip address x. x to configure the ip address. The command is as follows:Router2800> enable (in privileged Mode)Router2800 # configure termial (entering global configuration mode)Router2800 (config) # int f0/1 (ente

Cisco router VLan isolation LAN broadcast packet configuration experiment and summary, ciscovlan 1. Tutorial Description: connect to and set the IP address of the PC according to the network topology. PC1 and PC2 are required to be accessed on VLAN 12, while PC3 and PC4 are accessed on VLAN 34, PC1 and PC2 are interconnected, PC3 and PC4 are interconnected, and VLan 12 and VLan 34 are interconnected to isol

I. vro Network Service Security Configuration1. disable CDP (Cisco Discovery Protocol ). For example:Router (Config) # no cdp runRouter (Config-if) # no cdp enable2. Disable other TCP and UDP Small services.Router (Config) # no service tcp-small-serversRouter (Config) # no service udp-samll-servers3. Disable the Finger service.Router (Config) # no ip fingerRouter (Config) # no service finger4. We recommend that you disable the HTTP service.Router (Con

I recently received an email from a reader asking him how to use Cicso IOS to block a specific website. He wrote: "I have a Cisco 2600 instance, which is usually used as an Internet server. Now I want to block some specific websites. What should I do ?" This is not a very difficult task-as long as you know how Cisco IOS works. Here I will guide you on how to do this and tell you what you should pay attenti

Several basic commands for routers:Router>enable into privileged modeRouter#disable from privileged mode back to user modeRouter#configure terminal into global configuration modeRouter (config) #interface Ethernet 1 into the Ethernet port with router number 1Exit return to Upper modeEnd returns directly to privileged mode=========================================================Attention:1. CISCO CATALYST (s

A major part of enterprise security policy is to implement and maintain firewalls, so firewalls play an important role in the implementation of network security. Firewalls are typically located on the edge of the corporate network, which isolates the internal network from the Internet, or with other external networks, and restricts network visits to protect the internal network of the enterprise. The purpose of setting up a firewall is to establish a unique channel between the intranet and the e

receives more than 5,000 errors within the active interval, the word Disable will appear in this field to show that the router automatically disables this port.2. Interface Hardware address informationHardware is Lance, address is 0019.e78a.6402 Hardware using LANCE means: The router CPU uses the Local area Network Controller for Ethernet (LANCE)The controller realizes the Ethernet interface data transmiss

routing platforms (in global configuration mode)No license boot moduleLicense Call-home Install pak:to install a license by using a Product authorization Key (PAK) and the Cisco license call Home feature (in privileged EXEC mode)License Call-home resend:to Request a license be re-sent by using the Cisco License Call Home feature (in privileged EXE C mode)License Call-home revoke:to rehost (Revoke and trans