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I haven't published a document for a long time. It's really embarrassing. Some time ago, I got sick and stayed in a hospital for a month. I didn't come out for activities recently. In addition, I had to take time out to discuss with them in addition

Recently, the group has relocated its new campus and needs to re-build the MDT service. Due to the large number of workers in the environment, the network port of the employee's computer MDT network installation service is enabled in all stations

Inspired by the oneStack script: It turns out that the script can be executed with a certain user permission easily. The script content is as follows: #! /Bin/bash # filename: test. sh # email: wangxiaoyu@Live.com # date: 2013-09-02user = "root"

In terms of voice, how does one calculate the bandwidth consumed by codec?By default, after the analog voice is converted to a digital voice, it is cut in 20 ms segments for 20 ms segments, encapsulated with rtp, and then wrapped with udp header, ip

H3CNE V6.0 build official training material PPT for Small and Medium-sized Enterprises Click to download Http://blog.csdn.net/u011501221/article/details/10565227 X00010001 Chapter 1 Computer Network overview .ppt X00010002 Chapter 2 OSI reference

Simulate Site-to-Site VPN ExperimentFirst, let's talk about the experiment background. Remote users want to use VPN technology to securely access internal servers of the headquarters. The topology of the experiment is as follows: the three Cisco 2811

Interface-based DHCP Interface Vlanif 1 Ip address 192.168.1.1 255.255.255.0 Dhcp select interface Dhcp server static-bind ip-address 192.168.1.8 mac-address 1803-7300-0d33 Dhcp server excluded-ip-address 192.168.1.1 192.168.1.10 Dhcp server

1. Create an account and set the type Aaa Local-user hello password cipher xxxxxxxxxxxxxxxxx Local-user hello privilee level 15 Local-user hello sevice-type ssh 2. generate an RSA key Rsa local-key-pair create 1024 3. enable the Service

# Define the IP address for the Vlan and configure its work in the server mode interface Vlan-interface1ip address 192.168.1.1 255.255.255.0dhcp select server global-pool # define the DHCP Instance name, address pool, gateway address, DNS address

VTY authentication is telnet AUTHENTICATION. telnet AUTHENTICATION can also be divided into: 1. Password Authentication 2. User Name + Password Authentication Topology: 650) this. width = 650; "src ="

Static Routing is the most commonly used routing protocol. It does not have complicated configurations and often works very well. Let's take a look at the Static Routing Configuration: Topology: 650) this. width = 650; "src ="

  Lab environment: Windows XP and Cisco 3825 Routers Create a VPN Server on the vro and connect the VPN Server with the VPN Client that comes with Windows. The experiment topology is roughly as follows: 650) this. width = 650; "onclick = 'window.

Through a comprehensive experiment, we will enhance the basic settings of routing and switching, remote management, VLAN division, VTP protocol, STP protocol, Dynamic and Static Routing Protocol configuration, and DHCP, configure NAT, PPP, and ACL.

   650) this. width = 650; "onclick = 'window. open (" http://blog.51cto.com/viewpic.php? Refimg = "+ this. src) 'border =" 0 "alt =" "src =" http://www.bkjia.com/uploads/allimg/131227/0400254U3-0.png "/>In this experiment, OSPF can be configured

Use a Huawei simulator to create VLANs, add vlan group members, and relay ports 1. Target. 1 ]. Create a vlan and divide the host into vlan group members to reduce the broadcast storm. 2 ]. Set the relay port to allow pc1 to connect pc2 and pc3

The company has multiple internal websites that provide external services at the same time, such as Web1 and Web2, and users who want the public network to access them through port 80, generally, the vro can only map 80 to Web1, while Web2 cannot

I. Security of the TRUNK interface and VTP Protocol Security of the TRUNK interface: The switch port has two working statuses: Access, which is the port status required for Access to the user's host, and Trunk, it is mainly used for VLAN

IPSec introduction: IPSecInternetProtocolSecurity) is the long-term direction of secure networking. It provides active protection through end-to-end security to prevent attacks on private networks and the Internet. In communication, only the sender

DTE is a Data Terminal Equipment Data Terminal device. It has certain Data processing capabilities and Data sending and receiving capabilities;   DCE is a Data Communications Equipment Data communication device. It provides signal transformation

In HSRP, You can monitor the UP/Down status of the uplink port to implement redundant gateway switching. EOT provides more monitoring functions for interfaces: Whether IP routing is enable. For example, ip routing is disabled globally) Port