When we use Telnet to log on to the device, the user name and password are transmitted in clear text, in order to ensure the security of the data, we recommend the use of SSH login device. The following is the configuration of the Cisco router SSH:1. Configuring hostname and Domain-nameR1 (config) #hostname R1R1 (config) #ip domain-name frame.com2. Generate the k
First, the experimental topologySecond, the specific configurationRouter (config) #do sh runbuilding configuration ... Current configuration:604 bytes!version 12.4no service Timestamps log datetime MSECNO service timestamps debug datetime MSECNO Service Password-encryption!hostname router!ip dhcp excluded-address 192.168.1.1!IP DHCP Pool ABCNetwork 192.168.1.0 255.255.255.0Default-
. The internal local addresses 10.1.1.2, 10.1.1.3, and 10.1.1.4 use static address conversion. The valid internal addresses are respectively 192.1.1.2, 192.1.1.3, and 192.1.1.4.
Vro2501 Configuration:
Current configuration:
Version 11.3:
No service password-encryption
Hostname 2501
Ip nat inside source static 10.1.1.2 192.1.1.2
Ip nat inside source static 10.1.1.3 192.1.1.3
Ip nat inside source static 10.1.1.4 192.1.1.4
Inte
There are too many Qos information on the Cisco Router Traffic Control instance, but many of them are not practical. I have talked about a lot of theories. The following are the configurations on the routers of a subsidiary for your reference. In fact, as long as you understand the meaning of NBAR, CBWFQ, and WRED, traffic control can be configured as needed. Www.2cto.com Description: A subsidiary uses a 2
Use the home ADSL line and use the CISCO router to build the PPPoe Server so that the PC can access www.2cto.com R1 (config-if) # do sh runBuilding configuration... Current configuration: 1470 bytes! Version 12.4 service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption! Hostname R1! Boot-start-markerboot-end-marker
Different vro models and different cracking methods:The general method is the same:Enter monitoring mode: 1. Press ctrl + break 2 within 60 seconds, the register value starts with 0x0, and directly enters monitoring modeModify the register value to 0x2142. Load IOS directly without loading the configuration file.Summary steps:1. Restart ctrl + break2. confreg 0x2142 modify the register value to 0x2142Reset restart3. copy startup-config running-config to copy the startup information to the runnin
ContentsDescriptionStep-by-Step ProcedureExample of a Password Recovery on the Catalyst 6000 MSFC ModuleRelated InformationDescriptionThis document describes the password recovery procedure for the Cisco Catalyst 6000 Multilayer Switch Feature Card (MSFC ).Step-by-Step ProcedureAttach a terminal or PC with terminal emulation to the console port of the switch.Use
Re-set the enable password for cisco Route to power off and restart the router once (cold start). The Super Terminal interface is displayed continuously within 2 and 60 seconds ##... press Ctrl + break (Force interrupt) at the same time. 3. Enter confreg 0x21424 at the rommon1> prompt, enter reset5 at the rommon2> prompt, and check whether the
Cisco routers are widely used in network interconnection, among which the 2500 series routers are used in a large number of low-end users. So what if you accidentally forget the Super User password for the 2500-series Router? Do not be afraid, as long as you follow the following methods can be restored:
Preparation: A microcomputer runs the terminal emulator (ca
, dynamic address translation, and multiplexing dynamic address translation. The following example uses a Cisco router.1. Static address translationStatic address translation performs one-to-one conversion between the internal local address and the internal legal address, and specifies the legal address to which the conversion is required. If there are WWW servers or FTP servers in the internal network that
Router#show Run
Building configuration ...
Current configuration:1115 bytes
!
Version 12.2
Service Timestamps Debug Uptime
Service Timestamps Log uptime
No service password-encryption
Hostname Router
!
No logging on
Enable Secret 5 $1$OYEO$B.DP73YBQILQNQSUV/WMX1
!
IP Subnet-zero
!
!
!
VPDN Enable
!
Vpdn-group 1
Request-dialin-----request-diali
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 (enter Interface Configuration Mode)Router2800 (config-if) # ip address 192.168.0.1 255.255.255
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
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
1. Use the Cisco router Debug cable to connect the router's console interface and the computer's serial port, turn on the router after powering on, and then 1. In Windows XP, initial debugging via the HyperTerminal logon router, as shown in network topology 7-8650) this.width=650; "title=" QQ picture 20150320165214.png
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
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.