In the LAN, we usually like turning over "Network neighbors", because some people often share wonderful movies with games. But "Network neighbors" have a disadvantage: Even if you do not share, your computer will also see "Network neighbors". For
Generally, the proxy server is only used to proxy internal network connection requests to the Internet. The client must specify the proxy server and send the http requests that were originally sent directly to the Web server to the proxy server.
Simple identification of whether the wireless network card supports the BT3 and BT4 methods:
Many brothers do not know their network card chip models, or are unable to determine whether they are supported.The following describes the
This economic crisis has severely hurt large enterprises. In addition to some domestic demand-oriented enterprises, companies have begun to make decisions in the cold winter. During this period, in order to successfully launch the award and reduce
1) Down status: the router does not exchange any OSPF messages with any other routers; 2) Init status: the receiver router has received the hello packet from the peer router, however, no route id is found in the hello packet of the Peer router .. In
Communication Protocol:
The Open Graph Protocol is a kind of specification used to mark your pages and tell us which types of real-world objects your web pages represent. Another partner website, Amazon's Internet Movie Database (IMDb), uses this
Lab Topology
Lab procedure
1: configure the basic address and enable the ISP to run OSPF in the middle so that the PES at both ends can communicate with each other.
2: BGP is built internally and MPLS is used to solve the black hole problem.
3:
Ubuntu10.10 Network Configuration
For a while, I was really confused about the network configuration of Ubuntu. I tried to find it on the Internet. I was a little careful.
Let's talk about the general configuration process first, and then go
MPLS description
MPLS (multi-protocollabelswitch) is the latest development in Internet core multi-layer switching computing. MPLS combines the IP routing of the label switching and control parts of the forwarding part to accelerate forwarding.
As we all know, in a large network, there are many unknown factors. ARP, attack packets, viruses, and so on cannot be prevented. PPPoE dialing can solve the problem that ARP spoofing causes access failure, however, the Intranet ARP and other
Lab task: log on to the ConsoleEnvironment: h3c router or switchSteps:I. Link Configuration cable:Connect the serial port of the pc or terminal to the Console port of the router through the standard Console cable. One end of the RJ-45 head of the
Network core considerationsThe term "network" can be applied to multiple fields from LAN to SAN and WAN. All these fields require a network core. Our discussion starts from here.The size of a unit determines the size and capability of the core
Tunnel VPN OSPF-- A combination of three muskeysVPN and OSPF do not seem to have much to do with each other. The former is a technology used for secure connection between a public site to a site or a business trip staff and a company, and the latter
The TCP and UDP protocols of the TCP/IP transport layer are two completely independent software modules, so their respective port numbers are also independent of each other. For example, if TCP has a port 255 and UDP can have a port 255, the two do
Configure logical PortA logical port is relative to a physical port. It refers to a port that can implement data exchange but does not exist physically and needs to be configured. Vrouters generally provide five types of logical ports: Loopback port,
Spanning Tree Protocol: STPPurpose: Avoid loops in a switched network and implement link backup.The main task is to run the STA (Spanning Tree Algorithm step :)1. determine the root node. (The bridge id is compared)The bridge id consists of 8 bytes,
DHCP relay Configuration1: Use the experiment environment configured on the above DHCP server to build a DHCP relay.2: Enable another linux machine for dhcp relay proxy3: Install the dhcp-3.0.5-18.el5 package for the new linux machine4: After
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