cisco 7000 router

not encrypted during network transmission, strict control is required. For example, set a strong password, control the number of concurrent connections, strictly control the access address using the access list, and set user access control using AAA.8. We recommend that you use FTP instead of TFTP for iOS upgrade and backup and configuration file backup. For example:Router (config) # ip ftp Username blushinRouter (config) # ip ftp password 4tppa55w0rdRouter # copy startup-config ftp:9. Upgrade

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

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

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 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,

Basic configuration of the Cisco PT Simulation Experiment (10) routerExperimental Purpose :Mastering several common configuration methods of routersFamiliar with different command line operation modes of routersBasic configuration commands for the Palm-lift routerExperimental Background : as a network administrator, you first in the equipment room to the router after the first configuration, I hope in the f

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

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

This article describes in detail how to understand the technology of Cisco routers in terms of basic network equipment issues, regular system upgrades, and the use of Cisco routers. I believe you will be helpful after reading it. These two tools enable communication between devices connected to the network and other networks. Although vrouters and vswitches look very similar, they have different functions i

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

configure the authorization of HSRP4. router (config-if) # standby 47 ip time 2 9 2 represents the HELLO time, 9 represents the retention time5. router (config) # interface s06. router (config-if) # standby 47 track s0 100 configure tracking port s0 and reduce port down by 1007. router # show standby brief view the HS

Maybe many people do not know the actual application of the NetEye firewall and the Cisco router. Next we mainly analyze the security problems of the NetEye firewall and the Cisco router. Firewall has become a key part of enterprise network construction. However, many users think that there are already routers in the n

Introduction to CISCO router AAA and related routing configuration cisco aaa www.2cto.com 3A concept: authentication authorization Accounting accountingcisco provides a variety of 3A services for routers and switches: 1. Self-contained AAA router/NAS self-contained AAA service NAS (Network Access Server) 2. Contact the

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