Yes, it is possible to have no internet connection in a VLAN. A VLAN is a logical grouping of devices within a network, and the availability of internet connection depends on the configuration of the network and the VLAN. If the VLAN is not connected to a router or gateway that provides internet access, then the devices within that VLAN will not have internet connectivity. Additionally, network policies and access control lists can be configured to restrict internet access for specific VLANs. **

The Unifi VLAN DHCP may not be working due to several reasons. It could be a misconfiguration in the VLAN settings, such as incorrect VLAN tagging or DHCP relay settings. Another possibility is that the DHCP server is not properly configured to serve IP addresses to the VLAN. Additionally, there could be network connectivity issues preventing the VLAN from reaching the DHCP server. Troubleshooting these areas and ensuring proper configuration can help resolve the issue with Unifi VLAN DHCP not working. **

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To set up a VLAN network, you first need to configure your network switch to support VLANs. This involves creating separate VLANs and assigning specific ports to each VLAN. Then, you need to configure the devices connected to the switch to tag their traffic with the appropriate VLAN ID. This can be done at the network interface level or through software configuration. Finally, you need to configure the router or layer 3 switch to route traffic between the VLANs, if necessary. This involves creating virtual interfaces for each VLAN and setting up routing rules. **

To read the VLAN ID using Wireshark, you can apply a display filter for VLAN tagged traffic by typing "vlan" in the filter bar. This will show you all the VLAN tagged packets in the capture. You can then look at the VLAN ID column in the packet details section to see the VLAN ID for each packet. Additionally, you can right-click on a VLAN tagged packet, select "Decode As," and choose "VLAN" to have Wireshark decode the VLAN information for you. **

To read the VLAN ID using Wireshark, you can apply a display filter for VLAN tagged traffic by typing "vlan" in the filter bar. This will show you all the VLAN tagged packets in the capture. You can then look at the VLAN ID field within the Ethernet frame to see the specific VLAN ID for each packet. Additionally, you can add a column in the packet list view to display the VLAN ID for each packet for easier visibility. **

To read the VLAN ID with Wireshark, you can follow these steps: 1. Open Wireshark and start capturing network traffic. 2. Look for the VLAN ID field in the Ethernet frame of the captured packets. The VLAN ID is typically located in the 13th and 14th bytes of the Ethernet frame. 3. You can also apply a display filter in Wireshark to specifically show VLAN tagged packets by using the filter "vlan.id == [VLAN ID]". This will filter out packets with the specified VLAN ID for easier analysis. **

Yes, it is possible to implement Ethernet backhaul with a VLAN. By configuring the Ethernet backhaul network to use VLANs, you can segment the network into different virtual LANs, allowing for better traffic management, security, and scalability. This setup can help optimize network performance and ensure that data is efficiently transmitted between different network segments. VLANs can also help isolate network traffic, making it easier to troubleshoot and manage the network. **