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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Migrate from /etc/network/interfaces to netplan
I am trying to migrate from /etc/network/interfaces to netplan and network-manager setup.
I am "almost" there.
My current setup with /etc/network/interfaces is as follows:
auto lo
iface lo ...
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Docker macvlan container has no internet access while running tailscale on host
I have the need for a Docker container that is visible in the host network with its own ip, mac and hostname advertised via avahi. (I want to use wire-pod without changing hostnames and stuff on my ...
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Inter-VLAN connection issues when devices use Wi-Fi and OPNsense router
I am trying to segregate devices in my home network with 2 different VLANs: HOME and IOT. I have the following network devices:
1 cable modem
1 OPNsense router with WAN, LAN and OPT1 ports
1 Netgear ...
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ARP issue with VLAN on VMWare Workstation [migrated]
I have two vm in vmware workstation 17 pro
and connected like this (by the way os is ubuntu 22.04)
ubuntu1 -- vlan 10 -- ubuntu2
but they are cant connect each other
enter image description here
so i ...
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Devices keep getting IP from previous VLAN
Some devices (printers and laptops) that are moved to another building with a different VLAN will not release the IP address assigned. I noticed this first when a laptop reported no network ...
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VLANs and Bridges on Debian to share the same address
Right now I have a simple topology with the debian gateway, few managed switches and access points.
I'd like to add 3 VLANs to my topology and maybe use 802.1Q on debian gateway, so that all the ...
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MACVLAN Docker containers on Synology NAS with 2 VLANs cannot reach the host
I have 2 VLANs on ETH1 port on Synology DSM 7.2. I use the MACVLAN driver, so my containers look like "seperate computers" on the network. I can reach the container from the network and I ...
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Unable to create a Linux bridge with a VLAN interface on Fedora
I'm trying to set up a Linux bridge that includes a VLAN interface on my Fedora system. My goal is to use this bridge with virt-manager to create multiple VMs, each with an interface in the bridge ...
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NPS Dynamic VLAN Catch-All
I have radius MAC authentication with dynamic VLAN setup on a WPA-PSK wireless network to easily put different IOT/VOIP devices on various networks that may not support our WPA-Enterprise network. ...
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VLANs with ESXi over physical switch
I'm trying to setup a VLAN across my ESXi network and my physical switch network, but fail to get the VMs on the ESXi port group communicate with physical network. Specifically, my VM doesn't see ...
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VLAN - cable between two different vlans
I've got two "Aruba instant on" switches, and am practicing working with VLANS. I'm only configuring switch A, and pinging switch B to make sure I have a connection.
My PC is hooked up to ...
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Intermittent workstations with no network connectivity
I have a campus wide network with ~10 workstations around campus(not from the same switch) that can't connect to the internet/network, they are successfully acquiring an IP address from the DHCP ...
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Nothing but DHCP works after testing SR-IOV on Mellanox ConnectX-4 Lx
I was following the Proxmox guide for enabling PCIe passthrough and SR-IOV for my NIC, since I am running Vyos in a VM as a router. However, after undoing all the changes the NIC is not working ...
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Unable to connect IBM Flex compute node to network
I am having a problem wiht configuring IBM/LENOVO FLEX SYSTEM's networking.
The problem is that the node sees 9+ different interfaces where 2 are active but without a connection.
We bought the system ...
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Tagged VLAN not working on TP Link TL-SG1016PE
Draytek AP 960CTP Link SwitchesHPE SwitchDrayTek 2866enter image description hereenter image description hereI have created an additional VLAN upon my company network, configured exactly the same as ...
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DHCP response not getting to VM when using a VLAN on Proxmox
I recently installed proxmox on my server, and now I'm trying to get networking in order.
The problem that I have, is that for a certain VLAN, the DHCP response from my DHCP server doesn't seem to end ...
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Assign a VLAN directly to a physical interface
does anyone have an idea how to assign a VLAN ID to a physical interface under Linux?
More specifically I have a proxmox server on which Opnsense is virtualized. There are VLANs set up and on a ...
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Is it possible to bypass linux bridge device and assign linux vlan directly to bridge member on proxmox (Debian)?
I came up with the following situation. We have a Proxmox node with a 40gb Mellanox QSFP+ card connected to switch. The 40gb interface is added as a slave to vlan aware linux bridge. To that bridge ...
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netplan parents inteface of vlan has dhcp. i want to disable
i use netplan to assign ip address with vlan on my ubuntu 22.02.
i disabled dhcp for enp2s0 which is parent of my vlan.20.
But It has dhcp random ip addresse. I want to disable. how to do this?
$ cat /...
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Connecting to OpenVPN blocks access to local VLANs on different subnets
When I'm connecting to an OpenVPN provider, such as NordVPN, I lose connectivity to my local devices which are configured on another subnets.
Eg. the computer connecting to NordVpn is on vlan A which ...
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How to properly include vlan configuration for preexisting OSPF routing in PT
I am using packet tracer to simulate an enterprise setting.
There would be a "main" office (marked as Bgta) and other minor offices in other cities, such as Mdlln. In the main office there ...
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COMO COMUNICAR 2 VLAN EN SONICWALL
Good day,
I would like your help since I have a NSA 5600 sonicwall and I create 2 vlans on the interface x0 X0:V2 with ip 10.0.0.2/24 and X0:V3 10.0.1.2/24, but at the moment I can place 2 computers, ...
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Redirect traffic in "sniff/tap?" mode to specific ip address(es), that is: rewrite destination headers to target other machine(s)
I have incoming traffic on eth1 (vlan id 201) which is emitted by another machine which is doing
sudo tcpreplay -x 0.01 --loop=0 --intf1=eth12 Wireshark_bidirectional_data.pcap
I would like to ...
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Redirect incoming UDP traffic to a local ip adress (iptables?)
tcpdump works as expected on my machine.
tcpdump -i enx00e04c04009e -Uw - | tcpdump -en -r - vlan 201
17:52:51.447340 04:01:30:00:00:16 > 03:00:03:00:04:00, ethertype 802.1Q (0x8100), length 66: ...
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How to connect to host in a different address range and VLAN
We have an industrial machine that has an intergrated web server we can connect to for changing parameters. The machine has an address in the 172.29.x.x range. My address is in the 192.168.x.x range. ...
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Is it possible to forward with UFW from a machine connected to ZeroTier VPN and situated on the LAN towards another machine on the LAN?
I am attempting to make possible for any machine connected to my VPN to be able to access services within containers on my server.
For this I have set a server with PROXMOX and subscribed to a Free ...
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Aruba to Juniper EX4200
So I have a bit of an unusual situation -- I'm trying to use a EX4200-48-PoE juniper switch with our Aruba (HP) network in place -- just as a transitional move as we're doing some construction to give ...
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Strange issue with bridges on Ubuntu server and libvirt; looks like MAC address conflict
We have been using bridges and libvirt VMs for a long time (starting with Ubuntu 16.04). Recently, we have encountered a problem with bridges (on VLAns). We have not yet identified what conditions ...
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linux tc + vlan interface
This is my tc simple script. It limit bandwidth based on source ip address and use hashing filter based on /24 subnet. This example filter works but only when this example subnet 10.118.0.0/24 is add ...
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Why I am getting wrong IP address when connected to the freeradius server with VLAN attribute set
I am new to the Freeradius
I am trying to connect to the Unifi AP through freeradius authentication. I can connect to it successfully and access local services. but I am not getting the correct IP ...
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linux DSA switch w/ Vlan-aware bridge setup
I'm working on a use case that SoC w/ only one ethnet port(eth1) connect to a SJA1105 switch chip. As mentioned in linux kernel documents, the DSA mechanism will take eth1 as management port and have ...
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Attach two network interfaces in a KVM guest to two VLANs in a physical switch through a single-interface host
I have installed a Debian-based VM with two network interfaces, one with one public IP and another with one private IP. I can access public gateway IP and beyond from the public interface (native/...
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Two networks, two WANs, two VLANs, one set of switches?
I have a standard corporate network with Active Directory, and I have an outbuilding for the local community college. We run off port 1 on our modem and run straight into our Palo Alto, which then ...
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Adding new wifi vlan to Mikrotik router - cannot ping
Previously I had vlan 10 (Wifi) and 20 (Management) already set and working correct for this setup: Mikrotik router RB2011iL, D-Link switch with trunk ports for both vlans, couple of Mikrotik CaPs and ...
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How to properly setup a Guest Network on the TP-Link EAP115 AP?
I have a TP-Link EAP115 Access Point. I would like to setup a guest network, so that people who come to my house and use the WiFi cannot port scan the rest of my network. And I really only care about ...
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Tagged port does not work (switch netgear)
I have configured 2 VLANs with firewall (pfsense), but when I set port as tagged in each Vlan, every device lost wan connection and even IP address... I have no idea what could possibly be wrong. ...
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How to properly configure vlans on an interface in Linux?
I want to configure some vlans on an interface of a Linux VM.
The Vlan is already configured on the hypervisor and the port is marked on the switch.
I installed the "vlan" package on Linux ...
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Segregating Docker Services on Separate VLANs
I have a question related to network segregation of Docker containers. Hopefully the picture below illustrates the issue.
I am using UniFi equipment on my network which is currently managed on default/...
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VPN instead of VLANs
My network have about 8 thousand user, who work in multiple buildings. There is frequent employee turnover, which currently forces changes in the configuration of vlans on the switch ports. In ...
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OVH vRack + managed Kubernetes service and public connectivity
I deployed a K8S test cluster in OVH via their managed services, as I aready have some Public Cloud services that I would like to migrate.
I set the cluster network as private with OVH gateway with ...
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How to extend amount of VLAN's via external Managed Switch on Linksys WRT Router on OpenWRT 21
Goal is to create more than 4 VLAN's leveraging external ports on Managed Switch all under control of the Main Router (Linksys WRT with 4 built-in switch-ports) running OpenWRT 21.
Linksys Managed ...
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Assigning single DHCP server for multiple subnets on vlans (dnsmasq.conf)
I have 3 hosts each connect to a different VLAN, the DHCP server is working fine, it gives all hosts dynamic IPs. My issue is when it comes to iptables rules I can't prevent host 2,3 from a specific ...
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debian Linux QinQ (vlan stacking)
I am trying to create stacked VLAN interface on a debian 10 server. Here is what I have placed in the /etc/network/interfaces:
iface enp34s0.300 inet manual
address 0.0.0.0
netmask 0.0....
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untagged traffic must become tagged traffic after passing through the bridge
I'm trying to achieve something simple.
I have a machine which has a single physical port enp89s0. this is connected to the native VLAN (VLAN=1).
I need to create VMs and place them on a separate VLAN=...
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How to configure a /27 subnet on vlan Centos 7
I have a dedicated server running Centos 7.
I purchased a /27 subnet from my hosting provider. They said:
"Your /27 subnet should be acceptable over vlan-interface with tag 18."
I asked them ...
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How to connect to PLC that has an unchangeable static IP and no gateway
Summary
I've got a PLC that has a static IP I can't change and a gateway that can't be set. I need to be able to talk to the PLC over TCP on my corp network. Seems like a good candidate for NAT...
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pfSense VLAN tagged and untagged packets on one interface
I'm running into an issue here, I'm sure I'm being a fool but after 4 hours thought I'd see if anyone can quickly educate me!
I have a new pfSense. Its going into an SMB client who currently only have ...
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Possible STP Issue with Cisco SG350 Switches
we are having a weird issue with a network of Cisco SG350 Switches that I cannot figure out. We are thinking it may be related to STP but have verified all the normal problem points (i.e. proper ...
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ipSec VPN configuration, VLANs advertised
We are in the process of setting up an ipSec VPN between 2 locations. There are various encryption methods, algorythms and preshared keys to set up. Network1 will have access to specific VLANs on ...
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Route OpenVPN traffic via vNIC
I'm cracking my brains on the following, and I hope you guys can help me out.
I'm trying to setup an OpenVPN server on a Raspbian distro. Since I'm also using this server as a DNS server in multiple ...
