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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

-1
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2answers
31 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)....
2
votes
0answers
20 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 ...
0
votes
1answer
37 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. ...
-1
votes
1answer
56 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....
1
vote
0answers
40 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). ...
0
votes
1answer
28 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 ...
-1
votes
1answer
48 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 ...
1
vote
2answers
120 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
vote
1answer
61 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 ...
1
vote
0answers
56 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 ...
2
votes
1answer
106 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 ...
0
votes
1answer
38 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/...
-1
votes
1answer
99 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
48 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) | ...
0
votes
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 ...
0
votes
1answer
18 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 ...
0
votes
0answers
375 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
vote
0answers
34 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 ...
0
votes
1answer
111 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 ...
0
votes
1answer
405 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 ...
0
votes
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
134 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 ...
1
vote
0answers
1k 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 ...
0
votes
0answers
295 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 ...
0
votes
0answers
28 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) ...
1
vote
0answers
42 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 ...
0
votes
1answer
18 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
votes
1answer
32 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 ...
0
votes
0answers
38 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 ...
1
vote
1answer
587 views

configure trunk interface in linux centos7

I have connected 2 trunk interface to server(centos 7 server) nic port for setup vlan tagging. And have enabled 8021q module in server. Configure two physical interfaces as bonding as below ...
1
vote
0answers
285 views

Issue with bond + vlan + bridge on top of systemd-network

We are using two switches (let's call them A and B), and each host (running debian 9) has 2 nics (eno1 and eno2), connected to A and B. Those interfaces are bonded together (bond0) in active-backup ...
0
votes
0answers
45 views

RESOLVED ProxyPass ip address variable

I'm setting up a proxy to let a totally isolated vlan (called VLAN1) to access to another vlan (VLAN2) via proxy. One server has two NICs : on for VLAN1 (10.1.1.50) and one for VLAN2 (10.1.2.254). ...
0
votes
0answers
24 views

Setting up a Proxmox device to allocate IPs to KVMs on isolated networks

I am a novice attempting to dive into low level networking and I'm not having any success. Documentation regarding BGP and level 3 / 2 switch routing is sparse and assumes you know a huge amount. I'...
-1
votes
2answers
75 views

Can VLANs be used to segregate which devices on a Network get to the Internet? [closed]

I have searched and read many posts on this site. None of them directly addresses my problem. I have several Linux boxes which I wish to have unfettered access to the Internet. I have Windows ...
0
votes
1answer
45 views

Can modern switches limit packets based on IP without VLANs or bridge VLANs?

Can the switch HP 2910al, restrict traffic coming to it based on it's IP/subnet settings without using the routing functionality? Or is it possible to configure something like HP 2530 (layer 2) to ...
3
votes
0answers
88 views

How to tag the outgoing packets with the correct VLAN ID? [closed]

I have a virtual machine CentoS running on VMware workstation 12 player on my PC (windows 7) and i am trying to configure the VM to be able to reach my client network. Please see the attached photo ...
0
votes
0answers
68 views

Cisco 887va VDSL2 with public static /29 net and 2 vlans

I've a working config that allow internet traffic trought a firewall that is direct connected to 887 fa3 (vlan2 - public ip). Now I would to connect a "guest" wireless network that has to bypass ...
1
vote
1answer
82 views

Set VLAN mode on only one VNIC

I'm setting up a Sophos XG virtual appliance on Hyper-V Server 2016 (Core) in a VLAN-ed network so the VLAN modes of the VNICs need to be configured so that the LAN interface will be a trunk port and ...
0
votes
1answer
494 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 ...
0
votes
0answers
77 views

Cisco IOS Switch Native VLAN

I have a Cisco switch (2960x) that connects a wireless access point to the network. It has 3 SSIDs, 1 that is forwarded on the native vlan (untagged etc) and 1 (guest network) that's forwarded tagged ...
0
votes
0answers
289 views

Configuring UniFi APs on VLAN with pfSense router, Cisco switch and Allied Telesis switch

We are trying to deploy 10 UniFi AP-AC-LRs in our network and need some assistance. Below I will try to give a precise overview of both our setup and our goal. Please ask questions if anything is ...
0
votes
1answer
18 views

Isolating traffic between devices connected to same AP

I have multiple access points. Every AP has two configured SSIDs: one for clients devices (open) and one for some utility devices that will be used by clients devices (secured). I would like the ...
3
votes
1answer
227 views

Windows computers getting SLAAC IPv6 from tagged VLAN

I have windows computers on a network that are un-unexpectedly getting an IPv6 address from tagged VLAN. I have routers/computers connected to a switch with an untagged vlan (id 1), and a tagged (id ...
-1
votes
2answers
60 views

VSwitch confused with VMs in same subnet but on different VLANs

In a multi-tenant virtualised LAN environment it is likely that different customers will have VMs in the same subnet (eg 192.168.1.0/24) and be hosted on a single virtual server environment. The ...
1
vote
1answer
61 views

VLAN/Subnet Design

I am trying to get my head around the practical implementation of VLANs/Subnets. I currently have 3 HP v1910 switches with the following subnets/VLANS; 192.168.20.0/24 Production Server (7 servers ...
0
votes
0answers
48 views

Ubuntu 16.04 + DELL Chassis: Blades excluding between themselves after configuring vlan + bridge for KVM

We are configuring 2 PowerEdge 630 blade servers inside a Dell Chassis PowerEdge M1000e with 2 Force10 MXL 10/40GbE switches having an active/passive arrangement. These servers are meant to be KVM ...
0
votes
0answers
118 views

Should I be able to see duplicate packets on both of these interfaces?

I have a Debian based DHCP server, with network interfaces configured for each VLAN in our network (vlan10_), as well as an interface on the network without VLAN (eth0). 2: eth0: <BROADCAST,...
0
votes
1answer
120 views

2 virtual interfaces on the same vlan

I have one vlan with id 30. The VLAN interface on the host is eno1.30. I need two bridges to access this VLAN. Can I create a new virutal interface on the same VLAN in the same machine and add the ...
0
votes
0answers
95 views

VLANs, FreeIPA, and AD trust on different subnets - how do the computers see each another?

Let me preface this by saying I am completely unfamiliar with VLAN tagging. I understand the basic concept, but I lack any sort of real-world experience. I am looking into installing FreeIPA for a ...
0
votes
0answers
249 views

Pfsense transparent vlan trunk

So I have a pfsense transparent firewall, between my cisco router and first switch both the switch and router interfaces facing the pfsense are trunk ports: CISCO ROUTER - 10.10.1.253 ↓ PFSENSE - ...