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Anonymous users2024-02-08No, you can't. The home switch does not support VLAN, and your VLAN100 information will not pass. You can lay a network cable to connect to VLAN100, if the network cable is not enough, you can make the existing network cable into 2 network cables, because 1 network cable has 8 cores, and 100m speed only uses 4 cores and 4 cores are free.
You can do one connected to your PC.
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Anonymous users2024-02-07If VLAN200 cannot access the Internet is a prerequisite, then it cannot. This is a port VLAN, not only can you not access the Internet, but also cannot communicate with any PC on the internal network.
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Anonymous users2024-02-06It depends on what your topology looks like, the theory is okay, that is, the interface connected to the gateway and the interface connected to the fool switch on the H3C are changed to trunk, but there will be a problem that VLAN200 If you change the IP to this network segment, you can also access the Internet, if the IP address is repeated, you don't know how. You can try.
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Anonymous users2024-02-05The main functions of the switch include physical addressing, network topology, error checking, frame sequence, and flow control. Switches also have new features such as support for VLANs (Virtual Local Area Networks), support for link aggregation, and even firewalls. Since the interface is also configured when configuring the VLAN, we can't directly use the no command when deleting the VLAN, so how can we delete it completely?
Let me introduce you to the specific operation.
Methodological steps
1. First, connect to the Layer 3 switch through the console port or telnet to enter the user view mode
2. Enter "sys" in user mode to enter the system view mode "[h3c]".
3. First delete the VLAN configured on the interface, enter "int g1 0 5" to enter the interface, and then enter "undo port access VLAN 20" to delete the VLAN on the interface.
4. Next, delete the VLAN configuration interface and enter "undo int VLAN 20".
5. Finally, delete the VLAN and enter "undo VLAN 20".
Added: Basic usage of switches
Use as network isolation: For some switches with good functions, you can select the network isolation mode through the mode selection switch to achieve the role of network isolation, and only ordinary ports and uplink ports can be allowed to communicate, and ordinary ports are isolated from each other and cannot communicate.
In addition to being used as a core switch (central switch), it can also be used as an extension switch (access switch) to expand the network.
Place it on top of the router to expand the network line of the network ** provider (for the network of multiple IPs for one line), and after the connection, different routers use different IPs to connect to the public network.
Power failure: The power supply is damaged or the fan stops due to unstable external power supply, aging power lines, or lightning strikes, etc., so that it cannot work normally.
It is not uncommon for other parts of the aircraft to be damaged due to the power supply.
If the power indicator on the panel is green, it means that it is normal; If the light is off, the switch is not powered properly.
These kinds of problems are easy to find, easy to solve, and the easiest to prevent.
For this kind of fault, we should first do a good job of external power supply, generally by introducing independent power lines to provide independent power supply, and adding voltage regulators to avoid instantaneous high or low voltage phenomenon.
If conditions permit, you can add UPS (uninterruptible power supply) to ensure the normal power supply of the switch, some UPS provides voltage stabilization function, and some do not, pay attention when choosing.
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Anonymous users2024-02-041. Drag four terminal devices and one switch first.
2. In privileged mode, you can view the default VLAN by using the show ip route command. As shown in the figure, the interfaces shown on the switch are all default VLAN1.
3. Create vlan2 and vlan3 respectively and name them.
4. Enter the interface in global mode, and after entering the interface mode, add the interfaces F0 1 and F0 2 of the switch to VLAN2 respectively in the access mode.
5. Add F0 3 and F0 4 to VLAN3 respectively, and the steps are the same as in the previous step.
6. Click on the terminal device (computer) and switch to IP mode.
7. Set the IP of PC0 terminal device to static IP, PC0 and PC1 to the same network segment, and PC3 and PC4IP to one network segment.
8. After setting the IP of each computer. Open Command on PC0.
9. In PC0, the IP of PC1 will be ping, but the IP of PC3 will not be ping. That's where VLANs come in.
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