Questions tagged [vlan]

VLAN or Virtual Lan is the name of the protocol standard from IEEE to 802.1q, which specifies the ethernet requisites to implement an independent area of a LAN isolated from another LAN with a tag on ethernet protocol(Layer 2).

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How to Configure IPTV and Ethernet

My network is currently set up where: the ONT gets internet from the OSP, The ONT leads to the router [I had to set up the VLAN inside of the router settings to allow it to use LAN port 4 to sent TV ...
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Unable to capture ICMP packets in wireshark

Ok I used yirsinia to launch a trunk port attack and right now the switch is recognizing my device as a trunk port. Except when I use wireshark to capture the packets from a different vlan (but right ...
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VLAN packet capture

I need to capture packets to see if they are VLAN tagged correctly. I tried on Windows but didn't see it and found some resources saying that Windows strips those tags so it has to be captured on a ...
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Setting up VLAN for Linksys router

My Linksys router supports VLANs and I want to set up one to separate my work laptop's connection from my home PC's and devices; however, the Linksys WebUI asks for a profile that is specific to ...
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Is it possible to restrict client-to-client communication on a switch?

I have a linux machine acting as a router with a wifi interface (hostapd) and multiple ethernet interfaces bridged together. I want to add multiple smart home devices to the network. What I am trying ...
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vlan for ip cameras and nvr

I had an existing tcp/ip network setup and I added 4 ip cameras and an nvr to it. The traffic load went up and I had some performance issues especially to the routers. As a solution I thought to add ...
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Raspbian with a VLAN setup, assigning 2 IP addresses to each interface when I don't want it to

I can't figure this out. Below is my configuration in /etc/network/interface.d/eth0. Originally I had all these setup as DHCP, but I was getting 2 IPs for each interface. I changed it to static and I ...
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I can ping server on a port that is not in my vlan, or any vlan on a netgear JGS524PE switch. Why?

I have a Netgear JGS524PE 24-Port switch. I want my pc on port 14 to be able to connect to port 22, 23, get dns and dhcp from port 17 and internet through port 24 I want my room mate to get dns, dhcp, ...
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Access across two local networks using a consumer grade WiFi Router

Background - Illustration - https://i.stack.imgur.com/DFSMh.png We have a embedded device(referred to as PC2 ahead), which is hosting a UI/webpage, in a Class C network(Network 2 in the diagram above)....
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Configuring pfSense for IPTV delivered via separate VLAN on WAN link

I am trying to set up pfSense as my primary Internet router, replacing the provider router. Basic Internet connectivity works as it should: configure the external interface as a DHCP client, configure ...
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How to enable VLAN access from WSL2 / Ubuntu on Windows 11

On a Windows 11 machine, I have enabled two VLANs an my Intel I210 Gigabit Network adapter, one untagged and one tagged VLAN2 using the Intel PROSet Adapter Configuration Utility. The machine has WSL2 ...
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Link Aggregation between managed switch, unmanaged switch, and modem/router

I am trying to learn more about computing and networking for my own projects, while not interfering with my housemate's access to the internet ... I have: T2600G-28mps tplink managed switch TL-SG1024 ...
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Securing a public exposed LAN port

At my home, I have a relatively common network setup with a modem (in bridge mode), two ASUS mesh routers (ethernet backhaul) and a few unmanaged switches. Now I need to have internet connectivity in ...
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Understanding VLAN setup with multiple SSIDs

I am trying to wrap my head around VLANs to segregate my home network in several subnets with their own SSIDs.I have an OpenSense box as my router. and a two Netgear manageable switches. The AP will ...
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vlan setup in a multiplevlan environment

I'm in need of some help. As it come to networking i'm a rather noob as a software engineer. In my homelab i like to tighten things up. I have installed opnsense and would like to split up my vm's ...
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How to share an internet connection between two VLAN?

How to share an internet connection between two VLAN? (If it's possible) Let's say a single internet connection (Asus RT-AC87U router) that I want it to serve 192.168.1.0/24 and 10.0.0.0/24 VLAN on ...
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Bridging VLANs on Juniper Switch

I was hoping to get some insights into an issue I have been unable to resolve. I am relatively new to networking, and am attempting to find a way for two disparate VLANs to communicate, but only ...
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How can I manually configure an application split tunnel in wireguard?

I'm having a hard time configuring a NAS I have for a fairly unusual use case. I want a persistent configuration for the NAS to route all traffic through wireguard except for ssh from my home network. ...
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Managed switch: make port communicate on two VLANs

I'm trying my best to have the following scenario. VLAN1: All of my WiFi and non-IoT devices VLAN2: All of the IoT devices including Raspberry Pi manager running Linux. I want to make it possible to ...
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Configure systemd-network vlans that don't auto-start

Question: Under systemd-networkd, how do I configure a VLAN that doesn't automatically come up on system boot? Details: I'm running Ubuntu 20.04 server. My workstation has two network interfaces. eth0 ...
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Can I set up a linux box with a managed switch as a sort of firewall between my security cameras and the rest of my home?

I've got my home network, a netgear gs716tp (managed switch), a linux machine, and some security cameras. I'm wanting to set things up so that my home network can see the linux machine, and the linux ...
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Router: use LAN port as WAN port

Initially asked at https://networkengineering.stackexchange.com/questions/75891/router-use-lan-port-as-wan-port but was sent to Super User. There with screenshots. Here don't have 10 reputation — can'...
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Why is the trunk link tagged on the frames?

Doesn't every frame have a VLAN identifier? So why is it labeled on the trunk link to identify the VLAN? For example, in this image, computer A is in red VLAN and the switch detects this, so why re-...
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UniFi Gateway with L2/L3 TPLink switch, LAN and WLAN on same VLAN trouble

My gear consists of: USG-Pro-4 TP-Link T2600G-18TS JetStream L2 Managed Switch UAP-AC-Lite Hyper-V virtual server running Windows Server 2019 with DHCP server for all 3 networks On the USG I have 3 ...
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why can IPv6 ping reach other interfaces?

I have an eth interface setup with VLAN 100 & VLAN 200. I have a client that sends pings on VLAN 200 only. For some reason, it lets me ping the VLAN100 interface IP from the client but only if I ...
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Is VLAN a requirement to configure VxLAN?

I'm reading about VxLAN and its benefits, one thing that is not clear to me, and have not read anywhere is if VLAN is a MUST for VxLAN or are both independent and can work without one another. Example ...
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Can traffic from VLAN network to traverse to a LAN network and back

I have worked on Cisco switches and routers and I recall 2 physical switches must have identical VLANs both connected to a router-on-a-stick for end devices behind each switch to communicate with each ...
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Do I need two trunk ports?

First time setting up a switch to have two networks on it. Going to separate the two networks through use of different vlans. Now for security purposes in order to keep the networks totally separate ...
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Homelab networking adding a new router and VLAN for segregation

I hope you and your loved ones are safe and healthy. I am a self-funded student in last year of college. I need to create network for my final year research. I am want to integrate a Cisco Integrated ...
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VoIP and computer on separate VLANs through one cable

In my network I have VoIP (VLAN-ID 30) phones and desktop (VLAN-ID 20) computers on separate VLANs. I would like to run a single cable to my desk from the switch that first connects to my VoIP phone, ...
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Windows VLAN Tagging Network Adapter

I am trying to add VLAN tagging to my INTEL Nic in windows 10 and having some trouble. I have been following the guide here and it works for the most part. The problem is that is creates a new ...
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Moving hosts between VLANS

I have a question regarding the ability for a server to move devices between different VLANs. For example, I have VLAN 1 at 192.168.0.0/24 and VLAN 2 at 192.168.1.0/24. if my IDS registers something ...
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Double NAT port forwarding with pfSense and subnet - Is it safe?

I would like to expose an application server (virtual machine) to the internet for developing/learning purposes. I cannot physically separate my main home network from my server lab. My hypervisor is ...
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Load balancer at home with 2 ISP

I have 2 floor house and 2 ISPs. One is via wireless and the secondary is LTE. One router can only go on the first floor, as the Wifi connection antenna end is placed there, and second (LTE) can be ...
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PC in VLAN can't ping its own gateway

My VLAN's can't ping their own gateway and beyond. 1 - For VLANs to be able to ping their own gateway, do I have to enable the Parent VLAN and assign an IP to it in the OPNsense firewall ? 2 - Do I ...
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How do I isolate my computer from other computers on the network?

I have a home web server that only a few people can access. I forward ports on the router so that they can access it. The web server is hidden behind an openVPN server that I configured on the same ...
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How to resolve VLAN tagging issues with Google Nest WiFi router

I am a software engineer and have some training and experience with TCP/IP networks, but not enough to figure out this intractable issue that appears to be caused by my choice of router colliding with ...
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What's the point of more vLAN's than actual ports

What is the point of having an 8 port switch with 32 vLAN's? Isn't every port linked to one and exactly one vLAN? So I can use no more than 8 vLAN's. What do I do with the remaining 24?
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Does all traffic in a VLAN aware switch goto the router?

Background: Router (ER-X) connected to a VLAN aware Switch In the router, I have setup my VLANs and rules for allowing traffic between VLANs. Question: The switch is setup with PVIDs. If I have ...
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How do you give two routers access to a network device? (Network drawing included)

Network Drawing I want "House LAN" and "Computer A" both to have access to the surveillance camera. How is this done? I was considering creating two VLANs on "Dual WAN Router ...
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Provide a /24 subnet for a bridged VirtualBox guest

On a host running VirtualBox, I have a bridged virtual machine requiring more than just one IP address as well as several virtual network devices collected in a VLAN. Unfortunately, VirtualBox cuts ...
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How share several vlans with one bond on one interface

I search to reproduce this schema in Debian10: _____eth0 eth1 eth2 / / | | | / / | | ...
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How would I go about splitting a network with vlan using one network cable

Please help me out with setting up a split home network. Here is my premise: one external line (this would be the WAN cable connected to my ISP accessing the Internet) one router (either the ISP's or ...
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How do I join my Raspbian server to a VLAN?

Just so I don't waste anyone's time, I am not looking to join two networks on one network adapter or route between Wi-Fi and Ethernet. I have a Netgear managed switch. My Raspberry Pi is attached to a ...
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DHCP server on T1600G-18TS won't respond to requests

I recently bought a T1600G-18TS TP-Link smart switch but can't get the DHCP server work on it. Packet statistics T1600G-18TS#show ip dhcp server statistics Message Received BOOTREQUEST ...
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nwdiag of home lan, is it whack?

Are there problems I can avoid by subnetting differently? I'm setting up a modest home lan, and I want to know if I missed anything critical or if there's a simpler way to subnet with given ...
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Connecting 2 VLANs on same switch two same switch/router with 2 cables. Why does it not work?

I tried asking this on network engineering but was pointed here... Consider a network consisting of a router incapable of VLAN, some devices including multicast IPTV receivers, and a VLAN switch that ...
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VLANs / Isolation on Home Network

I own a duplex and live in one part and rent out the other. My goal is to share the internet but have 2 isolated networks: Mine and the Tenant's. Both networks should have ethernet and Wi-Fi. ...
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What's the simplest solution/minimal HW I will need to buy to get this done?

The ISP only provides 1 WAN IP. I will have the modem (in the apartment above me) in bridge mode. The modem is capable of VLAN but I don't think it is suitable for my situation. Upstairs should have ...
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Why are my Intel VLAN virtual NICs stuck in a disabled state?

I am using Intel Advanced Network Services VLANs via the PROSet driver. This allows me to create virtual NICs in Windows that belong to specific 802.1Q tagged VLANs. After an update to Windows 10 2004,...
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