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network management software, such as Cisco CiscoWorks and HP OpenView.4. Cisco configmakerConfigmaker is a free router configuration tool developed by Cisco. Configmaker configures the vro in a graphical manner, and then downloads the configuration to the vro through the network. Configmaker requires the vro to run on
(config)# ctrl-z Router # write memory
11. Enter configure terminal at the EXEC prompt to enter the configuration mode. Enter the config-register command to restore the register value recorded in step 2.
12. Press Ctrl-Z to exit the configuration.
13. In privileged mode, run the write memory command to save the
It is very important to know more about the configuration of Cisco routers. Here we mainly analyze the configuration steps of Cisco routers, have you ever encountered this problem: Because you forgot your password, you were forced to reject the original friendly "friend"-A vro or vswitch, and you were unable to reset parameters and collect statistics. The following describes how to clear passwords for sever
step.
Basic configurations of a cisco router:
Cisco IOS Software Overview
Configure a Cisco router for the first time
How to connect to the control port of a cisco Router
How to set th
Many junior network administrators ignore security settings when using Cisco routers, and the following three are ideal for novice users to configure network security when using Cisco routers.
One, the security configuration of the router "access control"
1, the administrator who can access the router is strictly con
the Cisoc router.
Set the logon mode and click "Open ".
Here is the certificate issued to us.
R2 (config) # aaa new-model enable AAA
R2 (config) # aaa authentication login default local enable aaa authentication, set authentication on the local server
R2 (config) # username Cisco pass Cisco create a user Cisco and set
Basic configurations of Cisco routers and switches: www.2cto.com Router> \ enter the user mode Router when the vro is started> enable \ type the command to enter the Router mode # \ This display mode indicates that the Router mode
: Entervirtualterminalpassword: cisco
5. Asked if you want to follow the Cisco router manual to set various network protocols supported by the router: ConfigureSNMPNetworkManagement? [Yes]: ConfigureDECnet? [No]: ConfigureAppleTalk? [No]: ConfigureIPX? [No]: ConfigureIP? [Yes]: ConfigureIGRProuting? [Yes]: assumeriprou
$ ugRE $ xe/UCBrh2uCPYRYfr6nxn1. This is the hope of md5 encryption. Continue to check and find that the console interface and vty have a password. The password is not encrypted in plaintext cisco. Using social engineering, maybe the privileged password of the router is also cisoc! (Figure 2)
Open the command prompt, enter telnet 210. 224. *. 1, connect to the
while, when we need to configure the vro, the password may be lost. At this time, we only need a PC (OS is windows series), a console cable and the corresponding interface converter, and we are next to the router. Then follow the steps below to make it easy. 1. Set the Super Terminal of the PC so that we can use the console port of the router to directly operate the ro
following command to restart the vro:Wocould you like to enter the initial configuration dialog? [Yes/no]: n
Select no to directly enter CLI ModePress RETURN to get started!
Press enter to continue the next step.Router> enRouter # show version
Use the show version command to check that the configuration register value is 0x2142.Router # copy star run
Use this
the "connect to use" column, and click OK. In the pop-up "COM1 properties" form, you can easily collect IP traffic without any programming. For security reasons, you can also restrict access to the server's clients ..
2. obtain IP traffic of a cisco Router
After the configuration is complete, turn on the vro power and the startup information of the vro appears. In this case, you can operate the vro as you
//redistribution of Direct connect routes to Ospfrouter (config-router) #redistribute static subnets//redistribution of static routes to Ospfrouter (Config-router) #redistribute ripsubnets//re-distributing RIP to ospfrouter# showrrouter#showiproute//3 Direct-attached routes within the routing table, with 1 static, RIP, and OSPF dynamic routes# Link Test PC0 (Command
It is very important to know some common knowledge about CISCO routers. Here we mainly explain the CISCO router tutorial, which provides a detailed analysis from configuration to access methods. This document uses Cisco2620 as an example to describe how to configure the vro and remote access, this article discusses how to use the DHCP service function of the inte
PC that configures the router must also use a valid power supply. Cisco synchronous serial interfaces are commonly used. Different interfaces can be obtained through different cables. Such as RS232 and V.35. In addition, the cables of Cisco synchronous serial interface cables are specially pre-fabricated. The system automatically enters the dialog setup status d
following command: Global mode: from privileged mode, we can enter global mode. In this mode, you can change the entire configuration of the vro. If you need to change the configuration, you need the following command. This is an example of how to enter the global mode.
By default, if you do not set a password for the Cisco vro console, you can access the user m
Router (config-if) # ^ z
Router # show running-config
Router # copy running-config startup-config
3. Set IP addresses for PC1 and PC2, and then use the ping command to test the IP address!
1. Configure the IP address
To be able to be managed by a network management switch, a management IP address must
1234ABCD
Router (config) # ctrl-z
Router # Write memory
11. Enter configure terminal into configuration mode at the exec prompt. Enter the Config-register command to restore the register value recorded in the second step.
12. Knock Ctrl-z, exit configuration status.
13. In privileged mode, save the configuration
system. In a cisco router, this operating system is called an Internet Operating System, which is the most common cisco router IOS software. Next, let us learn the most basic router configuration method step by step.
In fact, there is no need to make the
that can still store data after the system is restarted or shut down. Flash stores IOS in use. In fact, if the Flash capacity is large enough, you can even store multiple operation systems, which is very useful for IOS upgrades. If you do not know whether the new version of IOS is stable, you can retain the old version of IOS after the upgrade. When a problem occurs, you can quickly return it to the old version of the operating system to avoid long-term network faults. 3. non-volatile RAM (NVRA
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