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-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
There are still many things worth learning about the Cisco router configuration mode. Here we will mainly introduce how to enter the detailed steps of the Cisco router configuration mode. In the Cisco router configuration mode, th
How should we connect to the Cisco router port? Many people want to know the specific role of the control port and the Auxiliary port. The port content is not detailed on the network. Here is just a few words about the port. The Cisco router port has a control port: the control port console port) and the Auxiliary port
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
Dynamic and robust routing is extremely important for Internet networks. Therefore, any network engineer who is first involved in this field must not only understand the concept of routing, but also be able to control it in a real environment. However, the products provided by high-end network equipment suppliers such as Cisco in the routing field are all over the world. This means that most people can only learn routes in school or laboratory environ
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
Netizens have their own preferences for Cisco router simulation software. The following describes three software models. I hope you can give it a try and give it a better reference to more friends. Everyone should know that the price of a router is very expensive, and it is very expensive to build a router lab. Howeve
Many people may not have a special understanding of Cisco router configuration, so I have studied the detailed knowledge of Cisco router configuration. I will share it with you here, hoping it will be useful to you. Have you ever encountered a situation where you have modified the
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
In chapter 3 of the Cisco router manual, we will explain the "setup dialog process". This article is taken from the manual. This makes it easier for you to focus on setting up conversations. Global parameter settings, interface parameter settings, and display results. Setting Dialog can avoid the hassle of manually entering commands, but it cannot completely replace manual settings, some special settings mu
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
Cisco router ip nat command ip natip nat inside destination ip nat inside source list ip nat inside source static ip nat outside source list ip nat outside source static ip nat pool ip nat translation ip nat Syntax: ip nat {inside | outside} no ip nat {inside | outside} this command is used to set the Intranet and Internet interfaces for applying NAT. Use the no option to stop the interface from applying NA
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
This article mainly uses an example to explain in detail how to solve the packet loss problem caused by CISCO router faults? The following article gives me a detailed answer. Recently, some people in my department (Department A) reported that they could not access the network of the higher-level department (Department B. I use the ping command from the computer A1 (IP Address: 10.20.12.11/24) used by this p
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,
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
With the development of the routing industry, the market demand is more extensive, but many users still do not understand the routing configuration issues. Here we mainly provide a comprehensive description of the Cisco router NAT configuration. More and more INTERNET resource sharing methods are available. In most cases, ddnleased lines are widely used with their stable performance and good scalability. DD
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.
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