Questions tagged [vlan]

Group of hosts with a common set of requirements connected as if on the same broadcast domain despite physical location

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Linux interface not receiving double-tagging traffic on its sub-interface

I have configured qinq sub-interfaces on linux, to receive double tagged packets from switch that it is connected. When I try to ping from the other host, 110.10.20.1 to this interface @ eth2.10.2002 ...
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27 views

Using VLAN, IP A shows (and uses) also raw-device addresses

Setting up a cluster with a private IPv4 VLAN, we have the following problem: IP A says: 3: eno1.4000@eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1400 qdisc noqueue state UP group default ...
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2k views

Assign VLAN to multiple ports in SonicWALL TZ300

I have a SonicWALL TZ300 with Cisco SG200-08 smart switches. My X1 interface is my WAN and my X0 interface is the default LAN. My X2 interface is 192.168.1.1 and is in a custom public zone (LAN2). I ...
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8k views

Draytek Vigor 2860 multiple external IP-addresses

I've bought a DrayTek Vigor 2860 for my company network. And I'd like to use it for two VLANs with separated external IP's. I have 6 LAN ports on my DrayTek. For example: External IP-adres: 201.102....
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26 views

Tagged ports on HP switch VLANs

wondering if somebody more experienced with HP procurve switching equipment can answer a pretty basic question for me. I'm trying to segment off 3 ports onto their own little network segment. I ...
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1answer
18 views

VLANs and Trunks on HP Switches

long story short my goal is to configure 3 ports on an hp switch stack that can only communicate with each other, and nothing else on our lan. I created vlan 60 with 3 untagged ports. However, when I ...
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NTP NIC binding

I'm wondering whether it's possible to setup NTP on a Windows Server running 2012 R2. The catch is that I only want one of the two NICs on the server to be used for NTP. Here's a little more ...
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VM with two NIC on Hyper-V - how to do that?

I'm new to Hyper-V. How do you configure two IP address on the same VM server? Both IP are on different subnets - one in 192.168.x.x and the other 10.x.x.x. There is an uplink (802.1q) between the ...
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16 views

How do I use linux vlan bridging as ap?

As part of a bigger task I'm trying to build a simple setup: A linux pc 1 (ubuntu) connected to another linux pc 2 wired, and to another device wirelessly. The device and pc 2 should be able to ping ...
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19 views

Restrict a physical NIC or VLAN to a specific process?

On a Windows operating system, is there any way to have an isolated network interface or VLAN, that is only authorized to communicate with specific processes? The interface or VLAN would be ...
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2answers
3k views

Draytek 2830, Multiple VLANS on Same Port

The Kit Ubiquiti Unifi Long Range Wireless Access Point Cisco SG200-08P Switch (VLAN, POE Support) Draytek 2830VN Router The Problem I need to enable Multiple VLANS against a single port on the ...
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3k views

VLAN & WiFi & DHCP with Cisco SG200

I'm trying to configure a small business network with one Cisco SG200-26, a Linux server and two TP-Link TL-WA801ND. I have set up the APs to have two different SSIDs, Public and Staff, and have ...
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14 views

Devices in same vlan cannot ping each other - Possible ARP Issue

The environment is running with Nexus 9K in NXOS mode. Both are in vPC mode and running hsrp with N9K1 active and N9K2 standby. Due to vPC both nodes are running Active/Active for HSRP. Now the ...
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1answer
5k views

Unable to make work both private and public ip network on openvz container in Proxmox

I'm using Proxmox 3, it is a fresh installation. For those who know, I'm using OVH Vrack 1.5 (along with a previous Vrack 1.0). My server has two interface eth0 and eth1, I succeeded to configure ...
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27 views

How to connect two virbr0 on two different KVM hosts?

I have one KVM host with VM's inside which using virbr0 virtual network(10.0.0.0/24). Now i got new KVM host machine for new VM's which must use ip's from same network and to be able to communicate ...
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1answer
35 views

No Internet access with DHCP Relay VLANs

I have a router that I can't manage (it is an ISP thing). It is directly connected to a T2600G-18TS (let's call it X) switch. The X switch has a static IP assigned from the routers IP range. I have ...
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1answer
3k views

pfsense bridge of vlan interfaces

Hardware Setup AMD E1-2100 Mini-ITX Motherboard with Onboard Gigabit (re0) Intel PCI Express (x4) 4-port Gigabit Adapter (igb[0123]) Software Setup pfSense v2.3 I'm trying to replicate my OpenWRT ...
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1answer
33 views

Setting up VLAN: pfSense and UniFi Gear (150w PoE switches, EdgeSwitch 16XG, UniFi Controller, 13 UniFi APs)

I'm have a tremendously difficult time setting up something that seems like it should be easy: VLANS with a pfSense gateway and a bunch of Ubiquiti UniFi gear. The frustrating thing is I've set this ...
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2answers
6k views

Linux: bridges, VLANs and RSTP

I tried to figure out how to setup RSTP on Linux with VLANs and bridges involved and now am completely confused. I am trying to bridge three interfaces, two of which are supposed to act as trunk (...
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2answers
50 views

ProCurve Switch 5406zl isolate VLAN for web hosting

Need to host company website in internal network using existing hardware. Still learning how to do things... All VLAN's can talk to each other. How can I isolate VLAN250 from the rest of the network ...
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1answer
2k views

How to Utilize NIC Teaming for Hyper-V VMs with VLAN in Windows Server 2016

I have two Windows Server 2016 with Hyper-V installed. Each server has two ethernet adapters. And each Hyper-V has several VMs. My goal is VMs can communicate with each other if they fall into the ...
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1answer
48 views

Configuring iptables when operating KVM virtual machines over a VLAN bridge

I am currently setting up a virtualized environment with KVM that spans across two physical host machines (Host1 and Host2). Both are connected to the same VLAN. The network interfaces on both ...
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1answer
85 views

separating three vlans on openwrt

I wanted to make a network with 3 separated VLANs 10.140.1.0/24 10.140.2.0/24 10.140.3.0/24 So I hooked up two routers TL-WR740n with Openwrt installed, and started experiments. First router(10....
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981 views

Correct way to setup VPN/VLAN for small business NETGEAR FVS336G

My current employer has a horrendous setup for his internet, 2 Virgin Media cabled lines with routers that you'd use at home. So we've had Fibre Optic installed and a Pool of 5 Public IP Addresses. ...
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939 views

How can I control bandwidth, access times and priority per VLAN

I'm setting up access points (TL-WA901ND) that can each support up to four SSIDs, which can be assigned to VLANs. I would like to set up three SSIDs, each on a different VLAN, with the following ...
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1answer
1k views

Windows 10, Virtualbox and Ubuntu VLANs

I have a laptop with Windows 10 and a Realtek PCIe GBE Family Controller. My NIC is connected to a switch in trunk mode (traffic for 2 VLANs transiting via this connection). I would like to setup the ...
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1answer
978 views

Setting up VLANs using GS724T & Draytek 2860n-Plus

I am having a world of problems here and can't see what is going wrong! The Plan: Use the Draytek to connect to the internet and provide WLAN access. Single port to connect to the GS724T and tag ...
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1answer
968 views

Need VLan to route to Internet

I have a Sangoma box here. This is Lync in a box... There is AAR Reverse proxy (VM) on the server and it has an IP of 10.10.9.7 on The "External" interface. I have 10.10.10.5 on the "Internal" ...
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58 views

Getting VLAN to work between Polycom VVX phones and Cisco SG300 Switch

I followed instructions listed here --> https://community.polycom.com/t5/VoIP-SIP-Phones/FAQ-Utilizing-VLAN-s-with-Polycom-phones/td-p/38100. But came up short. So I have computers (VLAN 1) and these ...
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Setting up Linux bridge for all VLANs (tagged) when bridges for same VLANs (untagged) exist

TL;DR: Does anyone know how to get bridges associated with a VLAN (like virbr0.101) and a generic bridge that supports all VLANs (like virbr0) to co-exist? Sorry for the rambling backstory, but I'm ...
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23 views

Creating a VLAN Trunk on Azure between VMs

I can't figure out how to build a VLAN trunk between VMs in Azure. For example, Fortinet has 10+ vdom enabled FortiGate appliances, but without a VLAN trunk, its hard to get more then 4 or so ...
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1answer
1k views

Access remote VLAN over IPsec VPN using Zyxel routers

I have a central site with a Zyxel Zywall 310 and a remote site with a Zyxel USG 20w. I also have a working IPsec VPN between the two sites. PCs on LAN1 of the remote site can access Server1 on LAN1 ...
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22 views

Netgear M4100-50G routing issues

I configured a Netgear M4100-50G to route between its vlans and the rest of the network (VLAN 1). So far so good. Here's the setup: As seen in the diagram, it is possible to ping the VLAN2 device ...
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1answer
2k views

EdgeRouter X as VLAN-only Switch

The Ubiquiti EdgeRouter X (ERX) has a switching chip on board so that it can be used as an L3 switch instead of as a router. I have another router, we'll call it router-core, which is serving an ...
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1answer
49 views

How exactly does vlan traffic flow through a layer 3 switch from one vlan to another on a default route?

I have an office that has a layer 3 Dell switch in routing mode connected to both a Cisco router & a Dell Sonicwall. The network has Vlan 1, 10, and 20. The connection to the internet sits ...
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2answers
67 views

DHCP client stops working for specific NIC

Something weird is going on. I had a cable with VLAN 300 plugged into my ubuntu machine. And that worked fine, like this. Jul 9 09:13:16 ruby dhclient[17696]: bound to 85.x.x.136 -- renewal in 1797 ...
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1answer
54 views

Route 2 VLANs over one port

Related to, but expended on an earlier question of mine at Route all traffic over Fiber VLAN The fiber internet works nicely, this is the setup; Media Converter | +--- Ubuntu Server ...
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1answer
449 views

hostapd: mapping MAC address to VLAN ID (static mapping via accept_mac_file)

I want hostapd to assign each station a given VLAN based on MAC address. BTW, my network is quite small. Using RADIUS would be an overkill. According to the hostapd manual: Optionally, the local ...
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1answer
1k views

Linux Bridges - Tags on interface vs. on bridge

What is the difference between tagging on the bridge vs a physical interface then adding that tagged interface onto the bridge? I'm assuming if I want two total VLANs segmenting network traffic to ...
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1answer
231 views

VLAN not working in MikroTik RouterBoard HAP

I'm currently having some problems configuring the VLAN in our network. Description: get the VOIP phones in to the VLAN2 with the MikroTik RouterBoard HAP. VPN configuration is on this device for the ...
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127 views

Netplan doesn't configure VLAN on hotplug of underlying link

We have the following netplan configuration: network: version: 2 renderer: networkd ethernets: ens3: dhcp4: yes ens9: {} vlans: ens9.4000: id: 4000 link: ens9 ...
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1answer
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Cisco Catalyst 3750 connected to Cisco ASA 5505 and dropping packets

(Cross posted from Super User per suggestion there) At the office, I have inherited a network that I am still trying to fully comprehend. I have a problem today with a new connection between: A port ...
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1answer
52 views

Tagged traffic throught FreeBSD server

i have a cable from provider with two VLANs on it, VLAN1 for internet and VLAN50 for VoIP. I need to take VLAN50 to my 192.168.0.2 server (PBX Panasonic TDE-600) on schema so it can connect to SIP ...
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1answer
4k views

Voice VLAN Configuration on Cisco SG300

We currently have a single Cisco SG300 switch on our data network. We are introducing a hosted VoIP system. As such we will be installing a second Cisco SG300 (to account for growth and new phones) ...
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10 views

Configuration settings required for Cisco UC320W and Dell N1524P compatibility

I'm having issues with my Cisco UC320W controller getting config settings over to my Cisco IP phones using a Dell N1524P Switch. Currently there is a Cisco ESW-540-24P switch that connects to both the ...
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172 views

OPNsense/pfsense on Proxmox with LACP, VLANs and Multi-WAN

I want to set up an OPNsense router (of pfsense if OPNsense sould not work as desired) on Proxmox. I have multiple WANs as well as multiple local VLANs. Since I have more VLANs than physical ports I ...
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1answer
1k views

Ghost “vlan 0” tags added to ethernet frames in CentOS guest under OpenStack

I'm trying to debug an issue involving a KVM virtual machine instance where the instance doesn't respond to network requests when the source is on another physical machine, which is on the same subnet ...
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1k views

PfSense box not passing traffic between WAN and LAN

I just tried to insert a PfSense box into my network and I seem to have broken something in the process. Need some outside help to point out any errors I might have missed. The setup was working ...
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1answer
53 views

libvirt: create a bridged network using openvswitch with dhcp enabled

I am trying to use libvirt + dsnmasq + openvswitch to create a bridged network with dhcp enabled. I created a libvirt network with the following XML: <network connections='1'> <name>ovs-...
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1answer
39 views

Route all traffic over Fiber VLAN

Recently, I upgraded to fiber based internet, that works okay but I want to hook that up directly to my Ubuntu box instead of the supplied router. The problem is, even though I can get a valid IP via ...