cisco router and switch simulator

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Cisco router installation and maintenance steps and commands (1)

A router is a commonly used network device. How do we install a router for beginners? How can I maintain a fault? The following article will give you a detailed answer. Installation steps: Step 1: control port connection First, connect one end of the control cable RJ45 in the CISCO2500/1000 series router accessories to the ci

For beginners, refer to the CISCO router tutorial (1)

port configuration take effect Cisco2620 (config-line) # line vty 0 5: Switch to remote logon Port Cisco2620 (config-line) # password 123123: Set the remote logon password to 123123 Cisco2620 (config-line) # login: Make the configuration take effect How to Set up a fast Ethernet port in a CISCO router tutorial Cisco2620 (config) # interfac

Analysis of Cisco layer-3 Switch stack connection

stack is the sum of the bandwidth of several stack switches. When the bandwidth of the backboard is increased, if each port of the switch is used. This advantage is not very obvious but also effective, because it is impossible to communicate with each port at the same time), but if there is a vswitch port available, the effect will be more obvious, because it can make full use of all the bandwidth of the switch

Cisco router Entry 1

Cisco router Entry 1First, let's take a look at the Memory RAM of one of the vro's internal components: Random Access to the memory, which is equivalent to the memory of the computer and is volatile (all storage content will be lost after power failure ), the main software running is the IOS image and configuration file. ROM: read-only memory, which resident some microcodes used to start and maintain basic

Solve Problems with Cisco router NAC

The Cisco router NAC solves the problem. The so-called NAC is an architecture that allows multiple hardware and software components to work together to protect the user's network from adverse client attacks. 1. It is not easy to fully implement NAC, because the entire architecture contains too many different components from other vendors. For example, the architecture contains the NAC Policy Manager and mul

How to identify Cisco switch models

Cisco System Inc. With its IOS (Internet Operating System), Cisco is an absolute leader in the multi-protocol router market. Currently, nearly 80% of routers on the Internet come from Cisco. In fact, Cisco also has a full range of network devices, including hubs, switches, a

Summary of Cisco router port faults

Cisco port status: CSU ── channel server unit, DSU ── data server, unit, DTE ── DataTerminalEquipment 1. Serial * is down, line protocol is down (DTE) faults: [1] No power is added to the vro. [2] LINE is not connected to CSU/DSU. [3] hardware error. Solution: [1] Check power supply. [2] Check whether the cables and serial ports used are correct. [3] switch to another serial port. 2. Serial * is up and lin

Cisco router password reset

To emulate the password of the reset router with the Cisco Packet Tracer Simulator, the packet tracer default router port is off and needs to be manually enabled 650) this.width=650; "Src=" http://s3.51cto.com/ Wyfs02/m01/5a/21/wkiol1t3xxiqjwmeaakcapd2ghs648.jpg "title=" 2.png "alt=" Wkiol1t3xxiqjwmeaakcapd2ghs648.jpg

Cisco router configuration manual Virtual LAN (VLAN) routing

Cisco router configuration manual Virtual LAN (VLAN) routing 1. The main network technology we currently use when constructing an enterprise network is generally based on exchange and virtual networks. The exchange technology changes shared media to exclusive media, greatly improving the network speed. The Virtual Network Technology breaks the restrictions of the geographical environment. without changing t

Switch VLAN division configuration (PT simulator)

I have just been familiar with the basic configurations of the VLAN division experiment of the switch VLAN division configuration (PT simulator). I am not familiar with this knowledge for too long. Please forgive me for any errors, this configuration is for you to learn about the Cisco simulator configuration case. Www

How to Prevent DDoS on a Cisco Router

1. Use the ip verfy unicast reverse-path network interface command This function checks each packet passing through the router. In the router's CEFCisco Express Forwarding) table, if the route entry of the packet to the network interface does not have the source IP address of the packet, the router discards the packet. For example, if the router receives a packe

Network Foundation Cisco Routing switch Three

Hot Backup Routing protocol Hsrp:cisco Private protocolEnsures that when the network edge device or access link fails, the user communication can be quickly and transparently restored to provide redundancy for the IP network, by using the consent virtual IP address and virtual MAC address, two or more routers on the LAN segment can be used as a virtual router for external services.HSRP enables Cisco routers

Cisco switch Port Mirroring configuration

configuration, which has been written for a long time,2950 The basic configuration of the switch, currently we are commonly used to configure the VLAN, the other is easy to manage, configure the IP address and allow Telnet login. Like spanning tree and VTP, the general small enterprises or systems are not configured, do not explain.1 Basic Concepts1.1 Classification of switchesCisco switches are divided into two main types in terms of

Cisco switch operations: Basic query command

In the complex network environment today, the switch has become indispensable, so the switch manufacturers also develop quickly, here to take Cisco to give us a simple exchange! Cisco: Cisco; A simple introduction: Cisco is the wo

Cisco releases new-generation router products to solve video delivery problems

Cisco once again launched a new generation of router products and also applied new technologies. So I studied how Cisco developed the new VQE technology to solve the problem of IPTV Video Delivery. Here I will share it with you, I hope it will be useful to you. Cisco has announced the release of the VisualQualityExperi

Cisco Packet Tracer Three-tier switch interrupts DHCP

Lab Environment:650) this.width=650; "alt=" Cisco Packet Tracer three-layer switch interrupt Dhcp-ibm.chick-mingkang.zhou "src=" http://img0.ph.126.net/4fx 93s0ahtpaead19pxmyg==/6619563575538146055.jpg "style=" border:0px;height:auto;margin:0px 10px 0px 0px; "/>Experimental Purpose:1, the VLAN is divided on the three layer switching: vlan10\vlan100\vlan200, and the IP is specified as: 192.168.10.254\ 192.16

Cisco 2960 Switch Configuration

Cisco 2960 Switch Configuration1. Cisco Working mode classification and function#用户模式仅答应基本的监测命令, the configuration of the router cannot be changed in this mode.Switch> #用户模式#允许用户执行所有的测试, view, save and other commands, this mode can not be modified router configuration, gener

Check the connected switch port according to the IP address. Applicable to the CISCO Network

In the middle of a Cisco switching network, how do I find out which port of the switch is connected to the IP address of a machine? The most convenient and quick way is to use the User tracking function of the CiscoWorks 2000 LMS network management software. The graphical interface is clear at a glance. If you do not have this software, you can use the following manual analysis method to find the answer: Ex

How to identify the Cisco switch model

In the network World, Cisco System Inc. Nobody knows, no one does not know. With its IOS (Internet operating System), Cisco is an absolute leader in the multiprotocol router market. Currently, nearly 80% of the routers in the Internet are from Cisco. In fact, in addition to the main product of the

Cisco switch configuration tutorial

Vswitch Virtual Network (Virtual LANs) settings: VLAN division and external VLAN routing settings on Catalyst 5000 Assign a VTP Domain) Add Cat5000 to the domain Specify the relay Port(A Trunk) Dynamic ISL Allocate VLAN to Port Set VLAN 20 Configure the Router Note: There are three VLANs, which are routed between VLANs through the Router. ----------------------------------------------------------------- All

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