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receive a morning e-mail that lists all router events that occurred the previous day. the scripts go to each router and use a command similarShow logging | include May 16To gather the date, combine it in a file, and e-mail it to all network administrators.
So, when a router reboots, if no one has configured NTP, then
Some of the comrades may not be very clear about the DHCP configuration of Cisco routers, and most people do not know about the computer, so, the customer asked us to allow any computer to access the LAN to access the Internet, so we had to configure DHCP 2600. 2600 router we identify as: Cisco enters global mode.
Cisco
: 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
When the cisco router is powered on normally, perform the following steps:
1. Test the router hardware
When a cisco router is started, a hardware self-check program POST is initiated. This program checks basic hardware functions including CPU, memory, and network interface
This article describes in detail how to set the default settings for Cisco routers in terms of security analysis, specific measures, and default settings. I believe this article will help you.
Security Analysis
Readers who have experience configuring routers should know that network administrators often set access control lists on routers or switches to prevent viruses and hackers. By default, the "deny any" statement is added to the access control li
There are many things worth learning about the configuration mode of a Cisco router. Here we mainly introduce the mode of user execution and privilege of a Cisco router. Ping is the most commonly used troubleshooting command. It consists of a group of ICMP response request p
The command line port of a cisco router uses a hierarchical structure, which requires logging on to different modes to complete detailed configuration tasks. From a security perspective, cisco IOS divides EXEC sessions into USER mode and privileged mode.
Features of the USER mode:
In USER mode, only basic monitoring
I. i0s process
The i0s process is a special software task that runs on a router and is used primarily to implement a function. When we configure i0s with the command-release profile, it is actually the same as controlling the behavior that makes up the 10S processes, all of which run concurrently on the router. The number and type of processes that can be run on
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
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
Recently, a friend asked me how to configure static NAT for a Cisco router to allow Internet users to access the Intranet Web and email servers through a Cisco router. Obviously, this function requires NAT between the public IP address and the Intranet IP address. The following are the specific implementation methods.
The market demand for Cisco routers has been very high. Here we mainly analyze the detailed knowledge of Cisco router configuration and RJ45 console connection, for accessing and configuring I0S on a new router, we must communicate with the Console port.
After connecting a console terminal with the Console port configu
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
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
The importance of vro configuration is self-evident. Here we mainly analyze the Cisco router configuration statements in detail, and share them with you here, hoping to help you.
Introduction to Cisco router configuration
Cisco ios operating environment.
ROM monitor>
It is very important to know some questions about Cisco router configuration. So I have studied the detailed introduction of Cisco router configuration statements, and I will share them with you here, hoping to help you. Cisco routers once dominated enterprise wide area netw
In the BGP Route Selection protocol, you can filter the BGP Route Selection and update. To do this, you need to use the prefix list. I. prefix list features: (1) it can be incrementally modified. We know that we cannot delete an entry in the general access control list, if you want to delete an entry in the list, you can only delete all the entries in the list. In the prefix list, you can delete or Add an entry separately. Www.2cto.com (2) and prefix list can be used in
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
:
Router(Config)#line aux 0Router(Config-line)#transport input noneRouter(Config-line)#no exec
5. We recommend that you use a permission classification policy. For example:
Router(Config)#username BluShin privilege 10 G00dPa55w0rdRouter(Config)#privilege EXEC level 10 telnetRouter(Config)#privilege EXEC level 10 show ip access-list
6. Set a strong password for privileged mode a
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