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Lab Environment:650) this.width=650; "alt=" Cisco Packer Trace three layer switch + router sharing internet-Ibm.chick-mingkang.zhou "src=" http://img2.ph.126.net/Dz -huesti3hye1avbt8nsa==/2835578915401090952.png "style="

Cisco configuration instance _ Cisco dual-Egress NAT configuration objective: to simulate the routing function based on the original address policy when a dual-Egress link is available, and access to the external network from different original

Original Address: https://medium.freecodecamp.org/ how-the-web-works-a-primer-for-newcomers-to-web-development-or-anyone-really-b4584e63585c If you're just beginning to learn web development, you might think you know how the Web works-at least

Lab requirements:Set up the topology, import the pre-configuration, and troubleshoot the following errors.1. The link between R1 and SW1 cannot start;2. SW1 cannot start the trunk link between SW2 and SW3;3. Problems with etherchannel between SW2

If you're just beginning to learn web development, you might think you know how the Web works-at least basically.But when you try to explain how a simple website works, the mind is blank. What does an IP address mean? How does the client-server side

This article describes how to use iptables to create NAT in linux. we can use it as a gateway so that multiple machines in the Lan can use a public IP address to connect to the Internet. the method I use is to override the source address and target

650) this. width = 650; "src =" http://img1.51cto.com/attachment/201309/163818372.jpg "title =" QQ20130925160851.jpg "alt =" 163818372.jpg"/> Lab environment: R1 uplink lines are R2 and R3 respectively, R2, R3, and R4 communicate through

Configure the PPPoE configuration for connecting a CISCO router to an ADSLmodem through the PPPoE configuration: hostnamebjsite! Ipsubnet-zeronoipdomain-lookup! Vpdnenablenovpdnlogging! Vpdn-group1request-dialinprotocolpppoe!

Article Title: Install a classic instance using a soft route Routeros. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

Ping, tracert, traceroute, and netstat command to view the ubuntu running status command 1. route to view and set the route information for Linux 2. ping: network connectivity check example: ping 192.168.0.1 parameter:-c is used to specify the