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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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Trunk between SG200's doesn't seem to send tagged traffic (n00b)

I have a cisco SG200-26FP (switch A) connected to a cisco SG200-26P (switch B). I would like to use the existing link between both switches as a trunk so 2 VLANs can use this connection, but I'm ...
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How can I set up multiple networks inside an Asus AIMesh network?

I'm new to subnetting/VLANs and am looking to set up a second network inside my existing wifi mesh to isolate lees-then-secure devices like cheap Chinese IP cameras and a WiFi Instant Pot from my ...
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1answer
346 views

Can network VLAN be identified by a string rather than a number?

Can VLAN be identified by a string rather than a number? My wifi router allows to configure VLAN that are named by string. I'm trying to connected it to my Ubiquiti EdgeRouter but can't get it to ...
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101 views

VLC is unable to open the MRL 'file:///dev/video0'. Check the log for details

I'm using Ubuntu 16.04 with VLC 3.0.4 (Vetinari). I want to use VLC 3.0.4 with an USB camera for rendering. VLC says VLC is unable to open the MRL 'file:///dev/video0'. Check the log for detail. ...
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How do I persist VLAN settings on my Asus RT-AC68 Router?

I have achieved the desired vlan settings on my Asus router by using robocfg. However, when I reboot the router those settings are lost. I'm running the latest firmware as of this writing (3.0.0.4....
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2answers
162 views

Trying to get VLANs working between Mikrotik HAP AC and RB4011iGS+

Here is the network diagram: I have set up 3 vlans: vlan1: 192.168.9.0/24 vlan11-lan: 192.168.11.0/24 vlan22-guest: 192.168.22.0/24 vlan1 is working perfectly. Every host in 192.168.9.0/24 network ...
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Pfsense Using Static IPs in VLAN.

I have a public IP block /26 from century link. I would like to use one IP for the firewall then place the rest of them in a VLAN to so I can let my tenants get a static IPs for their routers. I would ...
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1answer
32 views

Make two networks talk to a third network but not each other?

I would like two computers made to be unable to talk to each other but share a printer only using a Cisco switch. I'm assuming this would be done with 3 different VLANs but I'm unsure of how to make ...
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1answer
17 views

What's the meaning of Quidway display vlan out log?

In the Quidway AR2220 router, when I display vlan: [Huawei]display vlan The total number of vlans is : 1 -------------------------------------------------------------------------------- U: Up; ...
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1answer
55 views

Relaying Wifi over the Internet

I have two consumer devices with WiFi: A and B, where A is an access point and B is a client. They are black boxes, we can't configure them, but they work with each other great in WiFi range. The ...
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1answer
21 views

Access a NAS from two seperate networks (optionally using an openWRT device)

I've ordered some components to build my own NAS which I want to share with my sister living next door. For that, we wanted to connect these two networks together but leaving them in their respective ...
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UniFi cross-VLAN routing

We have a UniFi network divided into various VLANs. 172.17.x.x is the guest network, but I would like clients on this network to access a printer at 172.16.20.2 I have fiddled with various firewall ...
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1answer
532 views

How to isolate group from computers by L3 switch from certain www?

There is a broken switch to replace and I need to buy new one. I decide on this model: https://www.linksys.com/us/p/P-LGS528/ Is it possible to isolate 24 computers that are connected to this switch ...
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38 views

Can the DHCP relay agent use the DHCP offer IP's subnet to shrink switch flood domain?

I was wondering whether once the DHCP offer made by the DHCP server arrives at the DHCP relay agent, the relay agent is able to (assuming the network has one VLAN per subnet): examine the DHCP ...
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1answer
73 views

Multiple VLANs per NIC Failing on IPv6

I run a dual-stack (IPv4 and IPv6) home network, with a few VLANs to segregate IoT devices (VLAN 20) from normal users (VLAN 10) from network hardware (untagged VLAN). I'm currently hosting local DNS (...
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58 views

DD-WRT 1:1/One-To-One NAT setup assistance

I am running into some issues following the 1:1 setup guide for my application. I am working for a machinery builder that has a small 192.168.1.xxx network running inside a few machines and would ...
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1answer
107 views

mDNS / Bonjour thourgh WLAN and VLAN

I have here the following situation: Zyxel USG20 -> VLAN -> Server (192.168.50.xx) (local_1) | | -> Switch -> wired devices (192.168.80.xx) (local_2) -> LEDE WLAN ROUTER -> Mobile ...
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2answers
89 views

Home Network Setup and Advice

I am wanting some ideas and advice for how to do my home network. I am an IT Technician and know the basics, however networking is not my strong suite and I want to improve. [Current setup] There ...
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1answer
112 views

Why do I need to remove a default 802.1Q tag [closed]

I am taking a practice test for CompTIA Network+ 006 exam and have this problem I can't solve: A network administrator has configured a new 100Mbs WAN circuit, but speed testing shows poor ...
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189 views

How to create separate network on existing LAN

I'm not an expert in networking so I hope someone would be able to help me. I've moved to new flat with a single internet provider. I have the ethernet cable connection in almost every room. I had my ...
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49 views

Open-vSwitch how to connect two vlans in netns?

I have created networks namespace(netns) using ovs switch(as per diagram). I can ping for same vlan tag i.e., I can ping between old-m and new1 as well as ping between old-r and new2. If I want to ...
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1answer
175 views

Multiple VLANs with SAME ip (Ubuntu/Mint)

I'm in trouble seting up some of my linux machines. I habe to use several vlan id's with the same ip address. So I added several entries to my /etc/network/interfaces like this: auto eno1.42 ...
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1answer
55 views

VLAN Setup Possible?

I want to see if the following is possible using VLAN: I have the following equipment: Ubiquiti EdgeRouter Lite TP-LINK TL-SG1016PE Switch Home Server 4 x IP Cameras Is it possible to set up VLAN's ...
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1answer
129 views

Home Network Separation | Guidelines and Example

First of all, thank you for being able to ask my question here. I'm excited to soon move into my first own 4 walls, and felt like it's the right time to tackle network security and isolation. As ...
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1answer
25 views

Regarding Two Devices creating latency on a single switch

I have scripts that run on bootup on two NAS's (let's say they're QNAPs) to create bonds and have different ips for different vlans. ie- NAS 1 (all NICs bonded to 1 via TLB) set bond0 -> 0.0.0.0 or ...
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1answer
43 views

VLAN on local network; single uplink

I have a home network. Diagram: The switches are both TL-SG108E I have an external line coming in as a fibre, which is connected to a convertor to copper eth. From there, it should connect to the ...
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32 views

Losing LAN Internet connectivity after configuring VLAN on DSL router

My ISP now requires configuring VLAN to use their DSL lines (PPPoE). I can do this with my TP-Link DSL router (TD-W8980B), but I can only access the Internet over WLAN, not one of the LAN ports ...
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3answers
62 views

How to set up guest/ethernet/fiber network

I have a pretty basic network but I'm wanting to make some changes to it and I would like to know what the best way would be to achieve this. Currently: I have the internet come in to the modem to ...
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612 views

CentOS 7 VLan tagging

I am trying to enable two VLANS in CentOS 7 and following the article of Redhat. 1.Configure the parent interface in /etc/sysconfig/network-scripts/ifcfg-em1, where X is a unique number corresponding ...
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118 views

Separate network with second router behind openmesh/cloudtrax site?

My wife and I live on a "campus". They have a CloudTrax (openmesh if I'm not confused) network. I have been given authorized access to configuration settings. I have a wired connection from a lan ...
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301 views

How to configure a VLAN in Mikrotik Layer 2 Switch?

The fact that i need to do this in a Mikrotik switch is quite specific, but maybe this has to do with some more general knowledge on VLANs (which i dont have) and someone can answer. I configured ...
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66 views

Squid is not running on VLAN

I have been trying to configure the squid with Vlan in switch mode (without an IP address), but I have a problem regarding that. The configuration I did was: There are two interfaces: eth0 and eth1 ...
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1answer
47 views

Is it possible to add a VM to an existing VLAN on a physical network?

I have a Cisco ASA 5505 running firewalls and other network functionalities including a VLAN and I have VMware workstation running multiple VM that have Active Directory, DNS, and other services. I ...
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368 views

Mikrotik guest WiFi and VLAN

I've bought the new hAP ac² router recently. I'm not very familiar with network configuration stuff. I know some basics but that's all. With this router I'd like to improve my skills and learn new ...
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2answers
263 views

VLAN Configuration for Home Network

I would like to provide some separation of devices in my home network using a managed switch. I've read other related questions/answers, but they have different requirements that get into VLAN ...
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2answers
50 views

Why do end device need to support VLANS?

I am reading https://kb.netgear.com/000048453/What-do-I-need-to-know-about-setting-up-VLANs and it mentions Most printers do not recognize 802.1Q tags. This statement confuses me because I thought ...
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How to set dhcp on hosts respectively in VLAN PacketFence?

firstly, I installed PacketFence in VMware, and opened this ip. 192.168.232.128 is my PacketFence IP. then, I selected VLAN enforcement. In two step, I set eth0 as management, and added two VLANs as ...
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Is there a way to map remote ip to local when access? [duplicate]

On win 10, when some software is trying to access a remote ip address, is there a way to map this remote ip to a local ip? so the software thinks it is connecting to 104.x.x.x, it is actually ...
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1answer
37 views

Getting second IP from Ethernet iface works, WiFi does not work

Physical interface: root@ubuntu:~# ip addr show enp1s0 2: enp1s0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 00:e0:4c:68:...
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1answer
54 views

Why does a NIC need to support VLAN tags

In some ways, I'm still trying to wrap my head around VLAN sometimes. As far as I'm aware, there are two ways to deal with VLANs (820.1Q): Portbased VLANs Tagged VLANs Portbased VLANs are ...
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508 views

Business computer needs to be isolated from home network

I have a Linksys E-3000 router connected to port 1 on a TP-Link TL-SG108E EasySmartSwitch (cable modem to router to switch). I have a business workstation connected to port 8 of the switch. I need ...
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1answer
80 views

VLAN can't access to the common router

I have bought a TP-Link Manageable switch and I like to make 2 differents networks with only one router/web box. My router is a Livebox pro v3 and followed this tutorial to make VLAN : https://www.tp-...
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1answer
81 views

Create 2 separate networks with VLAN

This is probably asked a thousand times but I can't seem to find an answer. The situation is this: I have one Ethernet connection (over 4G) which will be used by 2 households. I need to seperate ...
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232 views

Chromecast directly to specific IP Address

I've got a complicated network setup that involves multiple VLANS and subnets. The chromecast device is on a separate range to the laptops, however the two networks can communicate with each other ...
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1answer
71 views

VLAN tagging for single IP's

I have a large number of computers whose MAC addresses I do not have in advance. At a time, I will connect a buch of them to a switch and each should get an IP from a DHCP server. I like to force ...
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2answers
672 views

No Internet access to guest SSID with dedicated 802.1Q VLAN

I have a firewall (Pfsense). I have a managed switch (TP Link TL-SG108E.) I have a wireless access point (TP Link TL-WA801ND.) The firewall (Pfsense) has 1 Ethernet port with four sub interfaces. ...
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2answers
272 views

Upgrading home network: multiple floors and VLANs

I'm trying to design a new network for my house, which is spread across 4 floors. I've been thinking about my requirements and I tried to write down Requirements Security Cameras security cameras ...
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116 views

RAETH ethernet switch unable to receive packets/DHCP

I've been working on a common RALINK platform (MT7621) and I've had some trouble getting the ethernet ports to receive packets, which I assume is the main reason they cannot receive an IP from the ...
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2answers
582 views

Is running two ethernet cables through single-port powerline adapter possible?

I have a house with two floors and the following setup which works great: Even though I have internet via wireless from the router on the 2nd floor, now I'd like to also have LAN connection on the ...
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863 views

Use systemd to start ppp on a VLAN on boot

I'm replacing my consumer router/AP with a linux box. My consumer router dialed in to my ISP via a PPPoE link on a tagged VLAN. I have a working setup configured where ppp uses the tagged device ...