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IS-IS known by many friends who are familiar with Cisco routers, but for new users, they do not know how to set IS-IS for Cisco routers, this document describes how to set IS-IS for a Cisco router from an experimental perspective. The following are the basic settings for a Cisco
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
With the development of China's routing industry, Cisco Wireless routers are also widely used. Here we mainly introduce a beautiful Cisco Wireless Router WRT54G2, last year, Cisco Consumer Division launched a newly designed 54M wireless route Linksys by Cisco WRT54G2. The el
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
At present, there are many users using CISCO routers, so today we will introduce in detail the main steps for configuring the CISCO Router password and what we need to pay special attention to. I hope this will help you, I hope you will learn more after reading the article. In CISCO
In recent years, the computer network, especially the Internet development is very rapid, ATM and IP over DWDM technology development so that the network transmission bandwidth quickly increased. While the development of network security and management technology is relatively lagging behind, although the voice of network security is high, but really fall to actually few. It is often believed that increasing the security mechanism of the enterprise network requires the addition of firewalls, aut
With the development of China's routing industry, its application is also more extensive, especially the application of routers and firewalls. Here we mainly explain the security configuration of NetEye firewall and Cisco router. Firewall has become a key part of enterprise network construction. However, many users think that Cisco routers already exist in the ne
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
This article describes how to configure a vswitch for a CISCO 3550 router and how to configure access control for a MAC address. In network management, users often encounter this situation: some users violate management regulations and modify their own IP addresses without permission to access restricted resources. Such behavior not only undermines information security rules, but may also cause network comm
Many friends who use the Cisco router module have encountered many problems during use. Below are some basic solutions. More or less can solve some small problems. Problem description: The Cisco router module does not turn on the light, and does not turn on the light after it is turned on. Answer: If the module is brok
It is very important for Cisco router users to learn about how to restore their vro passwords. Here we mainly introduce two methods to help you quickly restore the vro password, when the Cisco Router password is forgotten or the enable password is lost, there are two methods to restore it, depending on the series of pr
As a port device connecting WAN, vrouters have been widely used. Their main function is to connect multiple independent networks or subnets to achieve optimal routing and datagram transmission between the Internet. This article takes the Cisco 2511 vro as an example to introduce four router configuration methods. 1. Use the Cisco
Network administrators often need to connect to a vro to perform configuration verification, and statistical data review on the Cisco router. There are many methods to connect to a Cisco router, such as configuring a port, a secondary port, or using Telnet. However, I like to connect to the vro through the Console port
This article describes in detail how to skillfully set the speed limit for commonly used Cisco routers, and provides detailed operation steps. I hope this article will help you. The so-called speed limit is to set the ACL Access Control List on the router) to block the port used by the Service, so as to prevent the normal operation of the service. For the btsoftware, we can try to seal its port. In general,
This is a professional article about Cisco routers. Students who want to learn this knowledge can get some reference in writing this paper. This article mainly describes the technical application of the Cisco router level-1 switch. The Network works on two devices. The vswitch and vro connect the computer with the peripheral device. These two tools enable communi
Nowadays, filtering network content is not only an optional action for enterprises, but also an action that enterprises must take to prevent employees from making mistakes. In this article, the author David Davis will explain how the Cisco IOS router uses third-party services to implement Web content filtering. To protect enterprise networks and end users from malicious or undesirable web content intrusion,
Everyone knows that the Cisco router ACL plays an important role in the security policy of the Cisco router. Therefore, it is essential for everyone to master these knowledge points. In fact, this content is involved in many places. Access List) is an ordered statement set. It is a Sort table that allows or rejects pac
This article introduces the configuration and operation process of IOS upgrade against Cisco routers in two ways. Not long ago, when a friend upgraded CISCO2610 with a voice mode, the memory flash of the router was 8 MB, and the IOS software was more than 7 mb. After the upgrade, the router could not start normally. Go to the rommon 1 gt; status after startup to
There are many users who use Cisco routers, and there are also many problems. Password forgetting or loss is a common problem for users. So I studied the two methods for restoring the Cisco Router password, I would like to share it with you here and hope it will be useful to you. When a Cisco
The OSPF protocol is very important for the use of Cisco routers. But how do I perform specific operations? The following article will give a detailed explanation. OSPF protocol operation: 1. the ROUTER that declares OSPF sends a HELLO message from all interfaces that start the OSPF protocol. The two routers share a Public Data Link and can negotiate with each other the parameters specified in their HELLO p
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