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There is no need to set up a route twice. You only need to cascade the LAN port on R2 to the LAN port of R1 with a 568A and 568B network cable.
In this case, the R2 router is only equivalent to a switch. You can even just remove R2 and cascade the HUB (switch) directly to R1.
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My company is similar to yours. I don't know how many desktops and laptops you have.
To see how it is set up in this way, stop at Netcom ADSL, connect the optical fiber to the wireless router, and buy a multi-port switch (depending on the number of your own computers, there are 8 ports. 16 ports, 24 ports, etc.) to the router, and then connect the desktop to the switch.
Connect the photocopier to the switch and assign an IP address.
The laptop directly uses the wireless router to access the Internet.
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Solution: Turn Route B into a switch.
First of all, don't connect R1 to R2, use a desktop computer to enter R2, and set the LAN port in R2 to change the IP, this IP should be in the R1 network segment, but it cannot conflict with the rest of the IP. If you then save, note that the IPs of the computers connected to the two routes should be different. Then connect the LAN port of R1 to the LAN port of R2!
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The router can be connected directly to the router without setting it up!!
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1. The network where router A is located belongs to an independent local area network, and the network where router B is located belongs to an independent local area network, and these two local area networks have nothing to do with each other, so they cannot do end-to-end direct access.
Second, the router you use I estimate is a home router, home routers are turned on the automatic NAT function, and can not be turned off, if you use a wan-lan connection between AB, then this NAT will become an obstacle, you have to configure port mapping, if you are a lan-lan connection, then it is equivalent to you are stringing it together, so to visit each other, you must manually add the IP of another network segment in the PC segment, In addition, the LAN-LAN connection also needs to consider the DHCP server.
Therefore, these are some HCIA basic knowledge can not be used anymore, it is recommended that you debug the network when you still supplement the basic knowledge of the network, because the network and programming are different, the network focuses on the mastery of theoretical knowledge, that is not that you can get through with an IP or a line, the network you may need to master 7-8 knowledge points, and have some hands-on ability to operate, otherwise how you do it is all kinds of unpassable, and it is also called luck.
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How do I share files between two computers? We know that many times in the company is to use LAN to share and transfer files, but for LAN to share files, many friends are estimated to have been tinkering for a long time to realize, online tutorials are also different, today Xiaobai system sorted out the following LAN sharing file method, whether it is win10 or win7 in fact, the operation steps are basically the same, the following to win10 system as an example to give you a wave of operation.
Step 1: Turn on guest mode.
1. Right-click on the computer and select Manage.
2. Open the computer management, then system tools - > local users and groups - > users, the following figure:
3. You can see all users on the right side, generally there is a guest account, if not, please add one, we right-click guest and click on the property, and then remove the "account disabled" checkbox, click OK. At the same time, you can set a login password.
Step 2: Enable network discovery and disable password protection.
Step 3: Share the folder.
The above is how to share files between two computers and set up steps, note that the above operations are all in the computer operation that needs to share files, okay, I'm a white system, follow me to learn more practical computer tips, we'll see you next time, see you!
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Computers in different networks can access each other and share files if they have a large Internet connection, but if there is no network connection between them, then it is not possible. Generally speaking, it is through opening ports or putting policies to allow networks to access each other, or to set up a shared server to share files.
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It is better to be able to draw a topological diagram, so that the description is not clear.
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You can make a special network cable to connect computers A and B directly, and the data between the two computers can be accessed and shared with each other.
If it's a file, you won't be able to access it if you don't share it, but your hostname will always be there, unless you don't go online.
Step 1: Right-click the folder you want to share. Sharing and security points are OK There are still a few questions to be made. Step 2: >>>More
function getsqlserverlist(strings:tstrings):boolean;
The function is implemented as follows: >>>More
First, buy an eight-port router, or switch.
And the settings of the gateway can be known by looking at the route. >>>More
Your network architecture is a medium-sized network, don't use class C IP, change to class B, divide several VLANs, divide the office building into a VLAN, each office is divided into VLAN, and then put the OA and business system server separately into a VLAN, the default VLAN can be, easy to manage, but also can prevent ARP attacks, and then there are ARP attacks can only attack in this VLAN, will not affect the server, you can enable the routing function on the main switch, Support cross-VLAN data exchange, control the direction of data exchange through ACL, how do you usually manage the external network, you can see if you need to change it again, as for ARP detection, your VLAN should be attacked in a certain VLAN after it is divided, you can know which switch under the computer issued the ARP attack, you can then go to the corresponding switch web page through the MAC detection function to detect the attacker's MAC and IP, Even if someone manually changes the MAC and IP, the above will also be recorded, as for what you said can not find the attacker's MAC, it may be manually modified, you can find the attacker's real MAC address and IP through the MAC detection function on the web page, you can easily find out which computer is attacking, in this way, the network is safe, viruses, and human aspects are all eliminated After reading your information above, I feel that your network is a little messy, and you can apply to move the network once, Let's make a rectification and re-plan.