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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

2
votes
1answer
71 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
14 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
58 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 ...
-1
votes
0answers
15 views

1 DHCP Server, 2 NICs, 2 Scopes, 2 Subnets [duplicate]

I want to have two dhcp scopes on a server, that serves clients from two different subnets. The ultimate goal is to disable the first subnet once all the clients are migrated to the second subnet. I ...
2
votes
1answer
42 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) | ...
-2
votes
0answers
27 views

Connection failure to a Dell VRTX server management controller CMC ,

Situation .. I cant connect to my dell VRTX CMC network, it’s not responding. I can and I did change the IP of the CMC from the LCD panel , I have tried connecting the server and laptop directly via ...
-1
votes
0answers
18 views

VMWare ESXi 6.0 managment interface for virtual machine

I am using LeaseWeb ISP with VMWare ESXi 6.0 installed there. I have one external interface for management network, another interface for a virtual machine with Windows Server. I want, to use ...
0
votes
2answers
24 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
0answers
20 views

Cisco router how to configure VLAN user priority? [closed]

Is it possible to configure VLAN user priority on an incoming packet (if yes what is the command)? Packet is coming in without VLAN, router is tagging it. My search on google did not yield any ...
0
votes
1answer
16 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
140 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
31 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
44 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
0answers
126 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
22 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 ...
0
votes
1answer
69 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
517 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
141 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
25 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
28 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
29 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
29 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
424 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
234 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
36 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
20 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
74 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
43 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
83 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
58 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
78 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
342 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
53 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
221 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
17 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
182 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
53 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
59 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
42 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
83 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
119 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
82 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
225 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 - ...
1
vote
0answers
692 views

VConfig error: cannot add vlan interface

I started working with VLAN kernel capabilities only recently and found a pretty challenging domain. I thought I had almost everything in control but then found a problem which I am apparently unable ...
2
votes
2answers
105 views

Layer 2 or Layer 3 to separate some hosts (VLAN, DHCP, Gateway)

I want to separate some LAN hosts for security reasons. But most hosts need to talk to one ore more common servers: - Internet Gateway - DHCP+DNS server - file server - ... I might define VLANs ...
0
votes
0answers
141 views

DNS with VLAN issue

I just inherited a network with 2 Linux servers running Debian as a host OS, with VMWare hosting a number of VMs on both, including the domain controllers and some web sites. Here is the issue, each ...
0
votes
1answer
49 views

Intervlan routing in HP Procurve 2900 not working

Heya networking gurus! I am building a Proof of concept that requires doing some wacky things. All is going well except I can not seem to get my intervlan routing working. Here is a diagram of what ...
0
votes
1answer
27 views

Connectivity loss with VLan and VSphere machines

I'm facing a very strange situation with some virtual machines on my vSphere setup and I can't quite figure out what is happening. Originally, I am working with a 192.168.9.0/24 network where 192.168....
0
votes
1answer
47 views

vLAN conflict with multi site to site vpn

I have a multiple location and decided to have the same vlans on each location for each port group I have vlan10 as management vlan20 guest .... vlan100 as WIFI the IP address for example vlan10 site ...