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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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VLAN-tagged LXC containers have no network access on a VLAN aware bridge

I have a dedicated server with Hetzner running Proxmox (Debian). The host itself does have internet access, but I can't get network access within my VLAN-tagged LXC containers when I'm using a ...
WarningSign's user avatar
4 votes
2 answers
2k views

Can a DHCP Server detect Windows version?

How can a DHCP server distinguish between Windows 10 and Windows 7 clients? I want to identify the Windows version of the clients using the vendor class, and assign the specified settings. I am ...
javad basirat's user avatar
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How to access Internet on a proxmox VM guest with one public IP?

I have a proxmox server with one public IP. I configured a DHCP / bastion / router server with alpine linux. This is the /etc/network/interfaces file in proxmox host. I followed this from proxmox doc: ...
DarkDead's user avatar
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sonic os acl for ip of vlan interface

I'm trying to apply simple acl rules to IP address vlan100, but it always responds to ping. "VLAN100_ACL": { "policy_desc": "VLAN100 Ingress ACL", "type": &...
lexxai's user avatar
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1 answer
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VLAN routing on L3 switch, can't set IP address on SVI

I'm currently working on a project that requires connecting 2 different networks together to rout data between them. We have multiple physically separate networks, and I need to find a way to connect ...
vockleya's user avatar
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82 views

Difference between "Port VLAN ID" and "Untagged VLAN Membership" on HP Aruba Switches

I think I understood VLANs pretty well by now but I struggle with PVID (Port VLAN ID) versus untagged VLAN Membership. What is the difference between these two? Why would I want to configure a port ...
Wolfgang Jacques's user avatar
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13 views

MikroTik VLAN AccessPort doesn't work

I have a problem with configuring access port on my MikroTik CRS312-4C+8XG-RM. Below, I show you my config. I expect that on combo4 I can connect my computer to my VLAN10. In general my network works ...
lkuc18's user avatar
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snmpset & snmpwalk for creating vlans

Is it possible to create, delete and update the vlan via snmpset and also make some ports part of it or delete some ports which are already in an existing vlan ? using following I get the list of the ...
AAB's user avatar
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1 vote
1 answer
47 views

Get rx/tx bytes per IP address

I defined one vlan which has 3 ip addresses. Now I want to get RX/TX bytes per each ip at any given time. Is it possible to use iptables, ip , netstat commands to get this? I prefer using one of pre-...
Rasoul.A's user avatar
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114 views

Proxmox Network Interfaces Setup for Cluster

I was curious if the experts here could give some feedback on preferred /etc/network/interfaces config for Proxmox VE 8 with 4 available NICs. I plan to use Clustering with Corosync and Ceph. I have ...
cliff.kujala's user avatar
1 vote
3 answers
103 views

Vlan between vcenter and the kerio control

I have 15 vlans on my cisco switches and I have been create a trunk between the core switch and the vcenter. Also made a port group for each vlan. I want to have every vlans on kerio but I can't ...
mohamad hossein afrad's user avatar
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2 answers
159 views

Can I configure an ESXi physical NIC to be native to portgroup/VLAN?

I have an ESXi host that has four physical NICs, but only one is being used as a trunk port to the rest of the network. The Management VLAN (99) has an equivalent port group for the virtual machines ...
user986713's user avatar
-2 votes
1 answer
236 views

Proxmox host and VM running on it see different machines on their network using the same connection

I have run into a weird issue when setting up a new Proxmox host with a VM on it which I wanted to connect to our dedicated storage network running on a separated switch. The setup is the following: ...
heeeresjohnny's user avatar
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1 answer
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Can I safely add an external network to an existing NIC on XenCenter Pool?

We have 2 servers with 2 NICs each: NIC 0 has our "Office Network" which is used by the Management interface and our VMs NIC 1 has our "iSCSI Network" for storage Both networks ...
Dustin's user avatar
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-1 votes
1 answer
178 views

Multiple VLANs Same Port: Bandwidth Usage [closed]

I came across a network that looks like the following: In order to have the server access to both the public internet and internal network (but without depending on the internal router) one port of ...
TCB13's user avatar
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Direct specific vlans to specific WAN connections (2 ISP ,using USG Pro 4)

ISP-A : 1Gbps fiber line static IP address and ISP-B : 1Gbps fiber connection with dynamic IP address. We wanted to know if it was possible using static routing to create a method to direct specific ...
user3430128's user avatar
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1 answer
747 views

NAT between 2 LAN interfaces in Opnsense?

I'm not a network pro so some of my terminology may be off. I've tried to explain what I'm trying to achieve in different ways to hopefully make my request more understandable. I have Opnsense running ...
user23401941's user avatar
1 vote
1 answer
91 views

Change Cisco Management VLAN

I currently have the following configuration. A Checkpoint firewall (which is the router) and 12 Cisco 9200 switches. SW1 is connected to the firewall. I need to change the MGMT VLAN from VLAN20 to ...
Daniel D.'s user avatar
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0 answers
53 views

Mikrotik cloud router with vlans routing

I have a MikroTik router configured with 30 VLANs, all passing through a trunk via a bridge. The router provides internet access via three PPP links with load balancing, and also local services to ...
mohamed barakeh's user avatar
0 votes
1 answer
136 views

SAN VLAN configuration

I'm repurposing an old SAN device for some additional non-critical storage on a VM on a 3-host S2D cluster. I can't dedicate the switches at the moment like what seems to be recommended so I need some ...
Crimsonfox's user avatar
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1 answer
417 views

vlan on top of vlan-aware bridge: possible and how?

I'm currently working on configuring an opensuse host as a KVM hypervisor. I have a physical interface as slave for a bridge. I'm going to make this bridge interface vlan-aware and handle the VLAN-...
aquilares's user avatar
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-2 votes
1 answer
103 views

Routing webserver access between LAN and VLAN

I have a LAN set up with IPs 10.0.0.X and a VLAN with 10.147.18.X (Zerotier) and I have a webserver (Plex) that is accessible within the VLAN. I have a ubuntu 22.04 pc connected directly to the LAN ...
Bill's user avatar
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148 views

NFS across vlans

I am trying to mount an NFS share from a known good NFS server across separate vlans. The nfs server resides in the vlan 105 and the client is in vlan 202. I can ping, ssh, telnet to port 2049. ...
Jack Swope's user avatar
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How do I achieve a guest wifi set up with a Draytek AP810 and a Netgear GS728TPv2?

We have recently moved offices and so our facilities are bit more limited than they were before. We have a basic internet router (a BT Smart Hub for UK people) that doesn't have VLAN options and 4 LAN ...
Dominic Fitzpatrick's user avatar
0 votes
0 answers
201 views

Multiple VLANs with Intel I211 and 82576 chips

I'm using NICs based on Intel I211 and 82576 chips and I need to create multiple VLANs. I read online that I can use Intel tools instead of creating virtual switches with HyperV in Windows 10/11, but ...
Dark Corner's user avatar
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0 answers
141 views

OpenVPN via OPNsense in Hetzner Network

I am trying to set my openVPN server via OPNsense installed in the hetzner cloud in order to get access to the hetzner's internal network. The hertzner's internal network structure is separated by ...
cd4user's user avatar
1 vote
2 answers
307 views

How is it possible to connect multiple devices using the same IP to a machine with multiple interfaces and have them all work?

Long story short, I am a bit over my head with this task as I'm not incredibly well versed in networking and complicated network config. I have a few ideas, but want to avoid wasting time. Background: ...
Douglas B's user avatar
  • 111
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0 answers
29 views

NIPS appliance 100 MB limit pcap find vlan id tag

Background I have a Network IPS Appliance at work. The configuration is not well documented and I want to work out what traffic has been configured to flow through which interfaces. The network is ...
user3223819's user avatar
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1 answer
224 views

tcpdump expression to collect vlan tag id only

Is there a tcpdump expression that collects the vlan tag id only? I have an interface that has multiple vlan tagged traffic flowing through it. I can write expressions looking for IP pairs, or ...
user3223819's user avatar
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1 answer
51 views

Plug in multiple devices with the exact same IP to one Linux host

I have a need to have multiple devices with same IP address connected to the same host. I am attaching a photo to demonstrate the topology So on the host side the IP is 192.168.19.1 and on the 3 ...
koby058's user avatar
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0 answers
51 views

Should VLANs and AD match organizational chart for implementing 802.1x with Dynamic VLAN?

I am experiencing an issue while trying to understand the best way to implement 802.1x (EAP Chaining with AD as the identity service) in a corporate environment. The following questions have arisen ...
apostolescus's user avatar
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0 answers
173 views

Host A in VLAN is not responding to ping from host B, but host A can ping host B

Overview: I have a issue where one host A in VLAN is not responding to ping from host B, but host A can ping host B . A= Windows and B=Linux, VLAN=10. A IP address = 192.168.10.100, B IP address = 192....
SDut's user avatar
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0 answers
200 views

AlmaLinux 8.8 vlan doesn't work after system restart

I have created a vlan on AlmaLinux 8.8 using nmtui and it is working. I could ping other ip in vlan. After restart ping doesn't work on vlan ip, and linux doesn't answer on any port on vlan ip. On ...
Janusz Januszkiewicz's user avatar
-1 votes
1 answer
53 views

whitelisted VLANs with L3 Managed Switch routing

I have a basic setup for self-learning purposes. I'm a developer but trying to also understand the other side of IT managing networks. I mean learning case I have a single managed L3 switch. To it are ...
tacoshy's user avatar
  • 101
0 votes
2 answers
216 views

Aruba 1930 to build Lab Network separated from office network

Here is the network i need to build for our company lab: Note: All is centered on the Aruba 1930. Network A - 192.168.178.xxx/24 Port 25 on Aruba, SFP+ 10 Gbps -> Cisco SFP+ Gbps -> Router -> ...
Sacha Weichel's user avatar
1 vote
1 answer
994 views

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 ...
Taavi Ansper's user avatar
-1 votes
1 answer
761 views

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 ...
thirstyturtle's user avatar
0 votes
1 answer
416 views

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 ...
vascaino's user avatar
1 vote
2 answers
1k views

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 ...
Rick's user avatar
  • 127
0 votes
1 answer
619 views

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 ...
EasyMoney322's user avatar
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0 answers
996 views

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 ...
Ellessar's user avatar
1 vote
1 answer
823 views

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 ...
a-kodez's user avatar
  • 11
1 vote
0 answers
208 views

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. ...
RealJoshLee's user avatar
1 vote
1 answer
2k views

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 ...
kyle's user avatar
  • 23
0 votes
1 answer
429 views

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 ...
Daniël van den Berg's user avatar
0 votes
0 answers
39 views

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 ...
Skipbo's user avatar
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0 votes
0 answers
216 views

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 ...
Chimera_t's user avatar
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0 answers
1k views

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 ...
NSV's user avatar
  • 101
0 votes
1 answer
364 views

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 ...
Jonathan's user avatar
1 vote
0 answers
290 views

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 ...
The amateur programmer's user avatar

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