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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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1answer
51 views

New to VLAN configuration. What am I doing wrong?

I have a network using an M4100 switch connected to an EdgeRouter Infinity. I'm also connecting to the EdgeRouter over PPTP for configuration and testing purposes. I've created VLAN 80 on the M4100 ...
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0answers
17 views

rhel bridge + vlan tag network for KVM

I just did some search of my question before asking this, however I'm too new to the networking of KVM in red hat enterprise linux therefore most of the information helped a little. in my lab, a RHEL ...
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2answers
26 views

Is it possible to ping between two VLANS same on the same box in the same network?

Note; Originally posted in Network engineering I have a box running Ubuntu and connected to another box running software which simply changes VLAN and ifc. Ubuntu -- (vlan 100 on ifc1 say eth1)----...
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22 views

add common route to multiple vlan in centos

I have 2 lan cards in my centos 6, one for internet and another for vlans. I have configured 4 vlans: ifcfg-eth1.10 DEVICE=eth1.10 BOOTPROTO=none TYPE=Ethernet ONBOOT=yes HWADDR=00:00:00:00 IPADDR=...
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0answers
13 views

VLAN tagging on bridged Xen VM

I am a little confused regarding VLAN tagging and how it works on bridged virtual machines. I am testing an XCP-ng Hypervisor (Xen type-1) that I run as guest VM on Windows and VMware Workstation. ...
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0answers
19 views

configure bridge network with vlan-tagged interface in ubuntu

i believed that this should be a simple job, however it just can't be solved. of course i did some googling and tried to search questions that has been asked. an ubuntu server 16.04 is installed on ...
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1answer
34 views

Some Kubernetes traffic ignoring VLAN

I have a small Kubernetes cluster that I set up using kubeadm. My servers are connected via a VLAN, which my provider lets me add my servers into. The VLAN adds a network adapter (ens6), which I ...
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1answer
38 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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1answer
24 views

Edge-Core selective QinQ and tagged vlans

I'm trying to pack some vlans with selective QinQ. I need to inject VID 19,18 to VID 15. #Port facing SP interface ethernet 1/18 switchport allowed vlan add 15 tagged switchport dot1q-tunnel mode ...
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1answer
43 views

Docker Host with multiple VLANs

Background Information I have a server with one physical network interface that is running Docker. This interface is configured as a 802.1Q trunk. To avoid asymetric routing I configured routing ...
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0answers
15 views

Communication is not happening after configured multiple VLAN's on a trunk port of raspberry pi device

I have configured multiple vlan's on a trunk port of Raspberry pi device. but whenever i try to connect these vlan's from the MHN server then i am not able to connect. I can able to ping all VLAN's ...
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0answers
55 views

VLAN and Inter-Vlan Routing in TPLINK T2600G-52TS

I have a TPLINK Switch model T2600G-52TS, I made 3 VLANs; VLAN 1 (port 1 to 2), VLAN 10 (port 3 to 12) and VLAN 20 (port 13 to 48), I have assigned PVID for each port to desired VLAN, VLAN 1 is for ...
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1answer
38 views

Assign IP address for one computer within each VLAN

I have been asked if there is a solution to expose a single machine (Linux Server with honeypot installed) to multiple VLANs, I mean, a single machine will have many IP addresses belonging to each ...
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0answers
25 views

OpenVPN client as gateway to its LAN

My problem is that my work LAN is using mobile internet provider to access internet, so none of the PC's neither our router is accessible from Internet. I'd love to have possibility to connect to ...
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0answers
16 views

Explanation of Port Access Control settings for a TRENDnet switch

I'm trying to set up some security settings on a TRENDnet TPE-082WS managed switch, in particular its Port Access Control settings (emulator link; press Settings to see it): The switch's manual is ...
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0answers
22 views

TCP retransmissions inside vlan

I want to monitor a service from another machine. Both machines are connected to a VLAN. Both machines can ping and also establish connections to each other. So connectivity in general seems fine. ...
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1answer
30 views

HTTP requests hang in otherwise working VLAN setup

I have 2 kvm virtualised servers. Each has a internet-facing ens3 and a ens6 interface for a VLAN bet ween the hosts. I'm running Ubuntu 18.04. I have configured the interfaces via netplan. network: ...
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0answers
19 views

Scaling VXLAN overlay without too many tunnels

I'm trying to setup a simple but scalable overlay network sing VXLAN tunnels but having too many VTEPs leads to many many tunnels and I don't know how that can be a good idea. I asked a question ...
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1answer
103 views

Cisco Switch: Limit mgmt access to specific VLAN

I want to limit the access to the management console of my cisco switches. My idea was to only allow clients of a specific vlan to access it. In my current physical setup I have three unstacked cisco ...
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0answers
29 views

DHCP, VLANs, APs and IP assignements

I have a debian-based isc dhcp server, that works as router/firewall too. I configured a Cambium cnPilot 610 to broadcast 2 SSIDs. Each SSID is associated to a different VLAN. So, in the port where ...
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1answer
38 views

Configuring subnet between machines with bonded network cards

Two machines have bond0 configured to access the Internet. Technicians in datacenter say the VLAN is created, I just need to configure interfaces on servers to work with it correctly (create a subnet)....
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2answers
88 views

Different Avahi/ZeroConf Services for different VLANs

I couldn't find any reference in the man page for Avahi so here is my question: Is there a possiblity to configure one service (printer) for only one VLAN and another service (printer) for another ...
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0answers
22 views

Is it useful to keep virtualized and host traffic physically separated? [closed]

In our old HyperV setup, I see that there's a LACP 3x aggregation for the virtual machine traffic, but for the same VLAN there's a separate cable that the host uses. Both are reachable from one ...
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1answer
44 views

VLAN ID conflict

I have two devices not managed by myself (let's call them A and B) that should be directly connected, but due to cabling reasons they have to go over at least 2 switches used by my internal network. ...
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1answer
73 views

1 bridge - 1 vNIC - Multi VLAN

I have an issue that I can't resolve since a few weeks... I present to you the configuration for understanding: I have a NAS Qnap that it makes Virtualization (qemy/kvm). The OS of the Qnap is CentOS....
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0answers
48 views

Transparent LAN service on Linux

I need to implement a VLAN based transparent LAN service on Linux. Meaning I need to take configured VLAN and forward it directly to the specified port (all broadcast/multicast and unicast packets). ...
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1answer
36 views

How to expose a port+url visible to one machine to another

Essentially I have 3 machines: A, B and C A can see B (and vice versa) and B can see C (and vice versa). A can't see C (not part of the same network). I have access to A and B. Meaning I can start ...
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1answer
50 views

How can I make an ACL list work within a LAN? [closed]

I added an ACL list to Router A and permission is working fine if the packet comes from another LAN. The problem is, when a Packet is sent within the LAN that is connected to Router A, the packet is ...
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2answers
530 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 ...
1
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1answer
62 views

vSphere VMKernel per vlan?

I'm trying to understand a vSphere cluster where there are 20+ VMs on each host, almost all of them in unique vlans from each other. To have vMotion work successfully between the hosts does each ...
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0answers
139 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
110 views

Seperate network connection on server with 2 NICs

This is the setup we are aiming for in the picture. As you can see, the supervisor server (CentOS 7.5) has two physical nics (eth0, eth1). One of the design goals would be, to have eth0 allowed to ...
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1answer
148 views

Configuring Data and Voice VLAN Cisco SG300

I have a Cisco SG300 managed switch I am attempting to configure to handle two VLANs one for data (VLAN1) and another for voice (VLAN20). Ports 1 and 52 are configured to trunk to the router/...
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1answer
103 views

Cisco Switch Port Routing

There's a Cisco 3560-24PS-S, and I need to configure it. I'm not a certified network expert, but I have some basic understanding of how the switches and routers work. The plan is to connect a BMS ...
2
votes
1answer
56 views

Can a router route local traffic through the WAN side to an AP bridge via VLANS on a switch?

I've been researching VLANs and advanced network setups, and I'm wondering if this could work. WAN | Switch (VLAN and QoS for ISP) | \ Gateway router Router(AP bridge mode) | ...
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2answers
42 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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1answer
28 views

VLAN Tagging on Cisco Layer 3

I have a Cisco managed switch which I have configured VLAN 2 to separate some networks. The main LAN is 10.3.7.0 and VLAN 2 is 10.3.9.0, with .1 being the default gateway. That VLAN is broken out of ...
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0answers
435 views

Configuring VLANs in Mikrotik RouterBOARD 750 r2

I'm having a hard time trying to configure VLAN tagging in a Mikrotik router. The same has 5 interfaces which I'll describe below: Interface 1 and Interface 2 --> ISPs Interface 3 --> Uplink to a ...
1
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0answers
45 views

How to set the mode of port? access, trunk, general

I tried to set (change) the mode of my port, and I read the book and followed it step by step. But I still get a lot of error. There were what I input. (Routing) (Interface 0/3)#switchport mode ...
1
vote
1answer
460 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
844 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
24 views

common Network on 2 dedicated ESXi servers

I have two ESXi dedicated servers from a cloud vendor. Each server has two nic card, one is private and one attached with public gateway. ESXi 1 - i created a vSwitch0 from public NIC and VMkernal ...
1
vote
1answer
192 views

systemd-networkd fails to run DHCPServer on trunk port with multiple VLAN interfaces

I'm trying to configure a Linux host running systemd-networkd on a switch trunk port. The host has a single interface, enp4s0. There are only a couple VLAN ports in the switch, others are untagged. I ...
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0answers
2k views

NetPlan not applying static IP for VLAN

I setup a new Ubuntu 18.04 server and spend some time fighting with netplan. I only need a very simple network config, but for some reason it does not work and I have no idea what is wrong. I need a ...
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0answers
526 views

CentOS VLAN tagging is not working

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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0answers
32 views

Sonicwall, Cisco SG200 Vlans

Hoping someone can shed some light on my lack of Vlan knowledge. My current setup is as follows... NSA 2600 Sonicwall router 3 Cisco SG200 50port POE switches (let's call them Switch A, B, and C) ...
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0answers
55 views

Cisco Catalyst 3750G series PoE-48 - Private VLAN

I'm working on a Cisco Configuration for the first time and I've run into a problem where the Vlans do not appear to be working correctly, the ports on the switch should be configured to the ...
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1answer
19 views

HP A5500 Routing to second firewall

My current network configuration is All ISPs are 100/100Mbps and the PA-500 currently does all of the routing. ISP 3 has offered an upgrade to 500Mbps however, the PA-500 it has a throughput of ...
0
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1answer
34 views

How to configure second wireless router via VLAN trunk? [closed]

I am trying to figure how to configure the second wireless router, but I got stuck while trying to get the following configuration: For all VLANs (0-3), the primary router is the DHCP server for IPv4 ...
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0answers
40 views

Unable to set up bond interface from 2 vlans

Can someone help me to set up a bond interface from 2 vlans using teamd daemon. This is how i'm trying to do: # ip link add link eth1 name vlan50 type vlan id 50 # ip link add link eth2 name ...