Users using Cisco routing, many of them do not pay much attention to doing Cisco router configuration work, in fact this is a very important part, especially for our network security. There are several ways to do Cisco router configuration. The configuration can be done by t
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
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
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 1
You can use this method to restore the following vrouters: cisco 2000 Series, 2500 series, 3000 series, Cisco 680 series with 4000x0 Motorola CPU, and 10.0 series r
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
This article describes the upgrade steps for Cisco IOS software mirroring on the access router platform. The upgrade instance for the 2600 and 3600 series routers also applies to the router platforms listed below. Cisco IOS software filenames may vary according to Cisco IOS
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
After decades of development, from the first four-node ARPANET to the ubiquitous Internet, computer networks have penetrated into our lives. With the explosive growth of the computer network scale, as a router to connect devices also become more important.
When a company builds a network, how to reasonably configure and manage the router becomes one of the important tasks of the Network Manager. This topic
I would like to introduce how to obtain the IP traffic of a Cisco router. Many people may not know how to retrieve the IP address of a Cisco router. It does not matter. After reading this article, you will certainly have a lot of GAINS, I hope this article will teach you more things. A
This article uses a specific example to illustrate how to configure the access to ADSL through the vro. What problems should we pay attention to during access? The following articles will benefit you a lot.
Note: In this case, a common adsl modem and a cisco 25001841) router (dual Ethernet port) and IOS 12.2 (15) T need to be used to connect to the China Telecom adsl PPPoE, able to achieve LAN Internet shar
With the development of China's routing industry, Wireless routers are also widely used. Here we mainly explain a new Wireless-N Wireless router launched by Cisco, cisco Wireless Router WRT320NWRT320N is the latest Wireless-N Wireless router launched by Linksys. This product
-list 10 deny 192.168.1.0 0.0.255Router (Config) # access-list 10 permit any! The router is prohibited from receiving and updating the route information of the 192.168.1.0 network.Router (Config) # router ospf 100Router (Config-router) # distribute-list 10 in! Disable router forwarding to spread route information of 19
! The router is prohibited from receiving and updating the route information of the 192.168.1.0 network.Router (Config) # router ospf 100Router (Config-router) # distribute-list 10 in! Disable router forwarding to spread route information of 192.168.1.0 NetworkRouter (Config) # rou
Encapsulation Frame-relay boot Frame Relay Package
Encapsulation Novell-ether rules the Novell unique format used on the network segment
Encapsulation PPP set PPP to the encapsulation method used by the serial port or ISDN interface
Encapsulation SAP rules the Ethernet 802.2 format used on the network segment the Cisco password is SAP
End Exit Configuration mode
Erase Remove flash memory or configure cache
Erase Startup-config Delete the conte
It is very important for Cisco router users to learn about commands for password recovery of Cisco routers. For many beginners, the ROM Monitor of Cisco routers is often unfamiliar or even daunting for a simple reason, first, we do not often use this mode and are not familiar with its related operations; second, Operat
CISCO PT Simulation Experiment (16) Router redistribution configurationExperimental Purpose :Learn how to configure router redistributionLearn to see routes generated by routing redistribution learningExperimental Background :with the expansion of the company's network, the company installed a number of routers and run a variety of routing protocols, including th
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
A Cisco router is a commonly used routing product in large and medium-sized networks. As a core router, It is the soul of the entire network. If the Administrator is improperly set, the security deployment may be taken over by attackers if it is not in place. In that case, all the networks under it will fall, and the extent of its harm is self-evident.
1. One Sec
Which command standard do you want Cisco to use on each vro? Each administrator configures the commands of each vro correctly. The ten commands in this article are what I think you should configure on each vro, with no special order.
1. configure a Logon account on the vro
I strongly recommend that you configure a real user name and password account on the vro and vswitch. This means that you need a user and a password to gain access.
In addition, we
As the core device of network communication, Cisco routers are widely used. The following is my experience in practice:
Control port interface practices and connections
Connect one end of the control cable RJ45 in the Cisco2500/1000 series router accessories to the Cisco CONSOLE port, and the Cisco7000/4000 series router
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.