Transferred from: http://www.cnblogs.com/JuneWang/p/3917697.htmlIn order to learn more about the TCP/IP protocol, recently read a lot of relevant information, collected and recorded as follows, for later use and convenient for you to learn:IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP
In order to learn more about the TCP/IP protocol, I have read a lot of relevant information recently and collected the following records for later use and convenience:
What does IP address, subnet mask, default gateway, and DNS server mean?
(1) Problem Analysis
001. Q: What is the difference between IP
When it comes to the Internet, IP addresses cannot be mentioned, because the IP address is a very important concept in terms of learning or using the Internet, and many of the Internet's services and features are embodied through IP
you have five CIDR blocks on your network but only allow users on the three CIDR blocks to access the Internet, you must configure IP addresses for the three CIDR blocks. After determining the number of IP network segments, determine the number of CIDR blocks to be intercepted from the node address space to create a s
It has always been a dream to use an IP address to obtain the address of the corresponding location. I have worked hard so far, but the effect is not very good. Now I will paste the results of my efforts (some from the network, I hope to inspire some people. If some people have new insights, I hope I will not hesitate to give them some advice:
1. Use the
The fixed IP Internet configuration is introduced first:Existing customers need to use Cisco's 2811 router to surf the internet, the user for 10M fiber, the application of 16 fixed IP,The IP is 58.240.160.2-58.240.160.14, and the default gateway is 58.240.160.1. Intranet
Recently, due to project requirements, IP Control and MAC address control must be used on the page to beautify the interface. I found a good IP control on the Internet, but unfortunately I did not find the corresponding MAC address control. No way, self-reliance, it took two
network, when a local area shows high growth or the overall network scale is increasing, at this time, unreasonable planning is likely to have to re-deploy a local IP address or even an overall IP address, which is not a simple task in a medium or large network.
Here, we will briefly describe the concepts of
Routers to use more and more widely, how to control the Internet through the router, how to set the address of the Mac computer IP filter it?
Many home users are now using similar types of broadband Internet access via telecom ADSL or other companies. Because of the low cost of broadband, and for most of the home user
IP addresses, subnet masks, and gateways in network management are the basic knowledge that each network administrator must master. Only by mastering them can you really understand the TCP/IP protocol settings. The following describes what a subnet mask is.To understand what the subnet mask is, you must understand the composition of the IP
Software download for analysis: Wireshark-win32-1.10.2.exeRead the guided Tour1. Analyze and apply the ARP protocol2. Analyzing IP Protocols3. Analyzing the ICMP protocol1. Analysis of the format and content of ARP messages(1) The ARP request message of ping 172.18.3.132:000108000604000100e04c512ae8ac12038e000000000000ac120384Physical network Type hardware type:0001-ethernet (1)Protocol type Protocol TYPE:0800-IP
routers tplink882 static IP can not be used to solve the Internet:
Broadband Line (household network cable or from the modem out of the network) needs to be connected to the router's WAN, the wired computer should be connected to the LAN port, the following figure:
If the line connection is correct, but the WAN port LEDs are not lit, check the WAN port wiring for bad contact, and t
, switch the main interface to a DOS environment, enter the "Netsh" command at the command line, click the Enter key, the DOS command prompt will automatically become "netsh>", followed by "Interface" | IP command, the DOS command prompt becomes "Interface ip>" (as shown in Figure 1), where you enter the IP setup mode. In this mode, you can use the "set" command
Whether it's a laptop or a regular desktop computer, there are currently three ways to access the Internet, one of which is dial-up Internet access via a normal modem, which is rare, but in some computers with Windows 98 operating systems installed dial-up adapters are often installed automatically by the system, one is through the broadband "cat" broadband dial-up Inte
There are three types of Internet access methods available for both laptop and common desktop computers. One is to use a common Modem for dialing the Internet (although this method is rare, however, in some computers installed with Windows 98 operating systems, the dial-up adapter is often automatically installed by the system), one is to use the broadband "cat" telephone line for broadband dial-up access,
Chapter 3 _ IP Internet Protocol IP header IP protocol is the most core protocol in the TCP/IP protocol family. All TCP, UDP, ICMP, and IGMP data are transmitted in IP datagram format. The IP
Now, everyone knows the IP address. I had an aunt last week and asked me to help her change the IP address. It seems that the Internet is so powerful that everyone knows about it. Each host on the TCP/IP
tplink routers wdr5300 static IP can not be used to solve the Internet:
Broadband Line (household network cable or from the modem out of the network) needs to be connected to the router's WAN, the wired computer should be connected to the LAN port, the following figure:
If the line connection is correct, but the WAN port LEDs are not lit, check the WAN port wiring for bad contact,
be cleared. However, if the data has been used before the countdown, the timing value will be assigned again.Of course, ARP still has a mechanism to handle the situation where the ARP table data does not conform to the actual address data (for example, the address data update message of the target end is received before the current connection ends ); or the target host is too busy to answer ARP requests. 2
At present, IP address theft is very common. Many "attackers" use address theft to avoid tracking and hiding their own identities. IP address theft infringes on the rights and interests of normal network users and has a huge negative impact on network security and normal net
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