This article will discuss the importance of maintaining the password security of a Cisco router, explain the Cisco router mode, and show readers how to configure five passwords for a vro to protect network security.
Causes of vro security protection using passwords
First, as a Cisc
Lab Environment:650) this.width=650; "alt=" Cisco Packer Trace three layer switch + router sharing internet-Ibm.chick-mingkang.zhou "src=" http://img2.ph.126.net/Dz -huesti3hye1avbt8nsa==/2835578915401090952.png "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>Experimental Purpose:1, the three layer switch divides three VLANs, is Vlan2\vnal3\vlan4, and the VLAN IP is set to: 192.168.2.1, 192.168.
In CISCO router products, we usually need to restrict the access of general users during initial configuration. This is very important for Routers. By default, Our routers are an open system and the access control options are all disabled, any user can log on to the device to initiate further attacks, therefore, our network administrator needs to configure a password to restrict unauthorized users from acce
-controller) # linecode ami/b8zs/hdb3 (ami-T1, hdb3_e1)
Router (config-controller) # cablelength short 133/266 (optional, used if the cable length is less than 655 feet)
Router (config-controller) # cablelengh long gain26/-15 (optional, if the cable length is greater than 655 feet, the value is DB gain)
Router (config-controller) # line termination 75-ohm | 120-o
The market demand for Cisco routers is very high, so I studied the role of the Auxiliary port in Cisco router management. I would like to share with you here, I hope it will be useful to you. Network administrators often need to connect to a vro to perform configuration verification, and statistical data review on the Cisco
Some time ago, my colleague asked me a question about the DHCP configuration of the Cisco router. At that time, I did not give a positive answer, because this was my first time. In the following days, I have consulted relevant materials and are satisfied with the following answers. Share it with you now! In addition, most people do not know about the computer and do not operate these operations. Therefore,
There are many users of Cisco routers. Here we mainly introduce how to keep Cisco routers away from DoS attacks. DoS Dictionary Attacks against routers allow attackers to gain access to Cisco routers or prevent users from using the routers. In this article, you can find out how to use the enhanced login function of the Cisco
This article is intended for CISCO router users. It mainly introduces technical issues related to basic network equipment, regular system upgrades, and use of CISCO routers. I hope this article will help you.
These two tools enable communication between devices connected to the network and other networks. Although vrouters and vswitches look very similar, they ha
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
Essential security commands for CISCO router initialization 1. Security Settings for vro Access Control 1. Strict control over the administrator who can access the vro. Record Filing is required for all maintenance tasks. Www.2cto.com 2. do not access the vro remotely. Even if you need to access the vro remotely, we recommend that you use the access control list and high-intensity password control. 3. Stric
Global debugging
When configuring a Cisco router, the boundaries between global and interface commands are obvious. In this case, we use "Global" to identify commands that cannot be used for interface debugging or specific transmission media types and Protocol debugging. For example, in vrouters 2500, you can use Debugging commands to analyze the
Cisco routers play a very important role in the routing industry, and there are also a lot of user groups. It is very important to understand some Cisco router security configurations. Currently, most enterprises and departments connect to the Internet. Generally, a router is connected to an ISP.
This
It is still difficult for general users to implement effective Cisco router nat configuration. So I have studied the comprehensive knowledge about Cisco router nat configuration and will share it with you here, I hope it will be useful to you.
1. NAT introduction:
NATNetwork Address Translation) Network Address Transl
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
CISCO router device categoryThe name rules of cisco routers start with cisco, such as cisco2611 and cisco2610. cisco is the name of the device manufacturer, 26xx represents the 2600 series routers, and xx is a more detailed classification. The following lists several common
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
A router is a commonly used network device. How should we configure VOIP implementation? What are the specific operation steps? The following article will give you a detailed introduction.
Using the Cisco router configuration can easily implement VoIP, So I studied the statements related to the Cisco
Currently, Cisco routers have become a leader in the routing industry. Many people may not understand the configuration steps of Cisco routers. 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. The company is headquartered in Beijing and has three branches nationwide.
It is required that data in four locations be queried i
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
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