650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6F/89/wKiom1WfNUrghPlyAAB2goxoO_Y886.jpg "style=" float: none; "title=" 1.jpg "alt=" Wkiom1wfnurghplyaab2goxoo_y886.jpg "/>The GNS3 does not have a configurable layer two switch, so if you want to emulate a switch, you must use a router650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/6F/86/wKioL1WfNx7AuxWnAAGLXc_9Jyg856.jpg "style=" float: none; "title=" 2.jpg "alt=" Wkiol1wfnx7auxwn
Open GNS3650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/5A/1D/wKioL1T3EvySalCLAAEygDF96zY252.jpg "style=" float: none; "Title=" is not named. jpg "alt=" wkiol1t3evysalclaaeygdf96zy252.jpg "/>After opening the GNS3, the new project is self-contained and can be switched off.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/5A/20/wKiom1T29Jaw7D2TAALNsUWZgbw111.jpg "title=" 0.1. JPG "style=" float:none; "alt=" wkiom1t29jaw7d2taalnsuwz
Installation steps:1.First install the Jre-6u17-windows-i586se ( latest version ) Click Install until the installation is complete.?2, install SDM2.5 Chinese version sdm-v25 : The Welcome to Setup Wizard appears and click Next:After selecting "I accept the terms in the License Agreement", click Next:Here you can choose to install on this computer, on the router, and between the two. We chose to install on "This computer", so as not to occupy the memory, click Next: Select the destination locatio
Ubuntu10.04LTS: Success! Other versions of Linux can be downloaded from its official website: http://www.gns3.net/
Ubuntu 10.04 LTS: http://www.ubuntu.org.cn/
Ubuntu is currently the most popular Linux Desktop release, and its latest version is 10.04 long-term stable.
Ubuntu 10.04 provides the Ubuntu Software Center:
Go to the Ubuntu Software Center and search for GNS3 to install it conveniently and quickly!
Other versions of Linux can be downloa
GNS3, assign a fixed IP to the VMware virtual machineBecause the landlord is the VMware Small white, so this small problem I stopped a lot of time, is n many methods, finally back to the beginning to find so simpleWords do not say much, the method is as follows:One, open the VM, start the virtual machineSecond, wait for the virtual machine to start, enter the user name root password cisco (Figure 1)Iii. input nano/etc/network/interfaces into the nanoI
The following content is reproduced on the Internet:-------------------------------------------------------------------------Edit-Preferences-General "terminal Command" changed to D:\Program files\securecrt\securecrt.exe/t/telnet%h%pThe front is your SECURECRT program directory,/T refers to the establishment of a new label,/telnet means to go Telnet protocol,%h is to telnet to the host,%p is to telnet to the host port.If your is W7 system: Please change%h this to: 127.0.0.1----------------------
Internet:
Simulate the internet. Here we use a loopback port for testing.
Set the IP address f0/0 & f0/1
Set the IP address of a loopback port for testing
Initiate a RIP route and declare all network segments
After all the router RIP
Topology
Router settings
Router # sh run
Building configuration...
Current configuration: 883 bytes
!
Version 12.4:
Service timestamps debug datetime msec
Service timestamps log datetime msec
No service password-encryption
!
Hostname Router
!
1. Experiment topology2. PreparationsAdd the loopback interface to go to computer management> Device Management> add outdated hardwareGo to the add hardware wizard and click next.Select the hardware (advanced) (M) that I manually select from the
Analog switch SW1:C3640+NM-16ESW switching module moduleSW1 (config) #no IP routingCreate VLAN: Use VLAN databaseSw1#vlan DatabaseSW1 (VLAN) #vlan 10View Vlan:show Vlan-switchAnalog PC pc1:c3640PC1 (config) #no IP routing off routing featurePC1
1. Brief introductionGRE (Generic Routing Encapsulation) GRE is one of the most traditional tunneling protocols, its fundamental function is to realize the tunneling function, in order to realize the inter-site network can be accessed through the
A gateway is essentially an IP address of a network to another network. For example, network A and network B, network A's IP address range is "192.168.1.1~192." 168.1.254 ", the subnet mask is 255.255.255.0; The IP address range for Network B is" 192
Routing configuration:The ICMP record route grabs the IP address of the interface and can fetch up to 9. Options in the IP protocol header are 40 bytesR1:Conf tint f0/0No shutdownIP Add 192.168.1.1 255.255.255.0No IP routingEndR2 f0/0:Conf tint
1. Configuration screenshot:
Kernel cmd line content:
bigphysarea=65536 console=ttys0,9600 bigphysarea=16384 Auto Nousb ide1=noprobe hda=980,16,32 ide_generic.probe_mask= 0x01 ide_core.chs=0.0:980,16,32 Auto Nousb
2. Two documents directly used
Preach Wisdom Blog Video tutorial Download summary |java video tutorial |net video tutorial |php video tutorial | Web video Tutorial
Preach Wisdom Blog Video tutorial Download summary |java video
Securecrt is
Many people like to use the most commonly used terminal simulation programs for some configuration and experiments. Here I will only explain some of my Frequently Asked Questions about Cisco's gns3 and securecrt configurations. Take secure_crt_6.2.3 as an example.
I. Installation
The installation is relatively simple. Run secure_crt_6.2.3. Just click "Next" and we will not change it to the default installation.
Ii. Regist
Link to the PHP object-oriented programming getting started tutorial, and the OOP Getting Started Tutorial. Link to the PHP object-oriented programming getting started tutorial, the OOP Getting Started Tutorial PHP official learning oop: php. netmanuzhoop5.intro. php the following link Source: blog.snsgou.compost-41.ht
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