Questions tagged [virtual-network]

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Restrict Azure Standard Web Application Network Access

I have a Standard Azure Web App (S2) deployed. I'm looking to restrict network access so the application is only accessible from the my offices' on-premise network. Additionally our Azure ...
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1answer
72 views

Ubuntu Server - “Virtual” Network Interface with Internet Access

I have an Ubuntu 18.04 server with one public network interface (eth0). I'm trying to create additional "virtual" network interfaces that will also be able to access the internet with NAT rules set up....
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12 views

Azure VNets Inherit/Share Gateway Subnets?

I have VNetA being used in my environment - along with a webapp, webjob and 2 VM's in subscription A. I tried to setup VNet Integration for the webapp but I can't because my VNet is missing a gateway ...
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68 views

Enable Azure Web App VNet Integration w/ Peered VNet

This is for a client project - I have a standard web app, webjob and two VM's in VNetA. I need the webapp and its webjob to read data on a specific port on one of the VM's. I tried to setup VNet ...
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9 views

Limiting access to an Azure Storage account

I have a Storage account (ARM) which I need to access from a Cloud Service (Classic). The cloud service is deployed to a Virtual Network (Classic). I don’t want the storage account to be publicly ...
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40 views

Azure Private DNS not resolving names from 2 vnets

I'm new with Azure, I've downloaded a template that contains 3 servers(SCCM Infrastructure + DNS server with a contoso.com domain) I've created a separate Vnet and put a separate device there, I have ...
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1answer
238 views

How to route all VM traffic through specific physical interface over a Linux bridge?

My objective is to have all KVM guest VMs send and receive traffic on em2 with addresses on the 192.168.2.0/24 subnet. I have a host Linux machine (CentOS 7) with several NICs, 2 of which are in use ...
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1answer
148 views

Virtual network between Hyper-V host and guest VM is blocked by firewall because marked as unidentified

I have the following setup: Windows machine with Hyper-V activated Hyper-V VM under CentOS 7 using the default virtual switch as an interface between host and guest The virtual switch has 172.24.255....
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43 views

Unable to access SQL Server on the Host Machine from SQL Server Management Studio in the Guest VM

Using VMware Workstation 15, should I be using host-only for my scenario below? I need to access SQL Server, hosted on a Windows 10 host, from a Windows 10 Guest VM, without giving the Guest VM ...
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1answer
165 views

Creating RabbitMQ cluster (by Bitnami) and Kafka cluster (by Bitnami) in Azure and connecting to them from Kubernetes in another v-net

I'm trying to create an architecture with: 1. Kafka cluster (by Bitnami) 2. Rabbitmq cluster (by Bitnami) 3. Kubernetes cluster (AKS) that can use both Kafka and RMQ When I created both clusters (...
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2answers
1k views

Virtual Networking in KVM breaking internet access

I have set up a virtual networking on my CentOS 7 Workstation and the primary physical network interface is bridged as per this RHEL article. libvirtd is running successfully, however after reboot ...
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1answer
65 views

How to reliably keep a list of servers in a company network

We want to set up a connection to several servers at a customer site and are requested to deal with potentially changing IP addresses as they don't want to keep track of the MAC addresses used, with ...
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1answer
17 views

Azure Virtual Network Slow downloads from google servers

Whenever i download an image from a google server it is way slower than other images (can take up to 4 seconds) time curl -s https://pay.google.com/about/static/images/social/og_image.jpg -o image....
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229 views

Unable to resolve DNS over site-2-site VPN between Azure and on-prem

I am running into some issues with setting up a test lab environment between on-prem and Azure. I have got as far as being able to get the site-2-site VPN up and connected and passing traffic (...
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1answer
265 views

Implementing Segment Routing Traffic Engineering (SR-TE) in IOS XR 6.3.1

I'm trying to deploy SR-TE on XRv9000 routers IOS XR 6.3.1 version which are deployed in AWS according to the topology below. I have accomplished the configuration of SR on all routers which is ...
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1answer
47 views

Should a private virtual LAN be filtered

I'm a dev trying to learn others things and my current objective is to create a "virtual" lan on an ESXi host. I've created a VM which work as the LAN gateway to the WAN and some VM that are ...
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1answer
765 views

Restrict traffic between peered VNETs in Azure

I'm working with Azure, and I have 2 VNETs, each in its own resource group Peering + | ...
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0answers
158 views

What factor impact network speed between VM significantly?

There is question about network between different server,but i got a different situation. I have two VM in a server,and I tried to test maximum network speed between two VM. OS : CentOS VSwitch ...
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72 views

Solaris 10 LDOM Network Change

I have inherited a Solaris 10 host. At one time, it had 18 guests/LDOMs, but we're now down to 1, which is still business-critical. The host server has changed data centers and come up with a new IP ...
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1answer
634 views

GCP: No Network Access on additional virtual network interfaces

I have a Windows Server 2016 instance running on Google Cloud Console. I added a few extra virtual NICs to try to improve my network speed. Particularly hoping to use overseas endpoints to wormhole ...
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2answers
1k views

VNET peering with on-premise gateway transit not working properly

We have a VNET (let's call it VN_MAIN) that is configured to have a S2S VPN connection to our on-premise network. The VMs deployed within subnets of VN_MAIN are reachable from on-premise. What I'm ...
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1answer
2k views

NIC teaming on hyper-v host or within each VM?

I installed Windows Server 2016 Datacenter on a Dell T620, and then I installed the Hyper-V Role. Next, I created a NIC Team comprised of 2 physical 1Gbps network adapters. Team is called LANTeam. ...
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1answer
778 views

Firewalld virtual bridge outgoing traffic to vpn tunnel

I finally decided to sit down and do something that has long been on my todo list: to get my virtual networking actually to work. Simply put: I have a pure virtual bridge device (created by ifcfg-...
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687 views

How to access services running in KVM-guest (virtual network) from remote

Background: I am running an Openshift installation inside a KVM-VM and I can access the VM from the KVM-Host. I need to access Openshift from another machine. KVM is setup via virtual network using ...
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2answers
2k views

How to enable reverse DNS for private ips inside an Azure (ARM) virtual network

Let's take a pretty straighforward setup, all in a dedicated resource group: 1 vnet (say 10.0.0.0/16) 1 subnet (say 10.0.0.0/24) 2 Linux virtual machines, machine1 and machine2 (with a public ip) ...
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1answer
772 views

Docker: Virtual machine as worker with its host as manager in swarm

I'm having troubles to find which advertise address the manager should use to work with the following setup: The problem is that if I use the default options of docker swarm init on the host, I can't ...
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1answer
927 views

How to forward ports for azure virtual network gateway?

I have created Point to site vpn using azure virtual network. Right now I have 2 vms in vnet (with subnet ip's 10.x.x.x) 1 local machine connected to vnet with point to site vpn (ip 172.x.x.x) I can ...
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1answer
769 views

Detect if a network card is a virtual network card (docker/veth/etc) in Linux / bsd

I see some good explanation for fetching information about network cards and their statistics in ubuntu on this page. This gave a nice output as mentioned on the page. I tried reading other ...
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0answers
522 views

When multiple VMs share a storage device on the same host, where does the data actually travel?

I am trying to figure out the optimal way to share storage with multiple VMs on the same box. I am aware of a range of options: NFS, iSCSI, fibrechannel, bridged, etc, but I am unclear how they fit ...
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2answers
527 views

Use Azure Public IP With On Prem VM

We have an on prem RRAS server that connects to an Azure Virtual Network that allows us to have an On Prem/Azure hybrid. My query is, if i was to provision a public IP address in azure, what would be ...
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1answer
481 views

Virtual routers to replace proxy server

Most of the questions related to mine are about virtual routers managing virtual machines. I would like to use a virtual router, either DD-WRT or OPNsense inside VMWare to manage my office's network ...
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1answer
3k views

Allow transparent port forwarding in Azure subnet

I have a VM in an Azure VNet that needs to know the original public IP address of incoming connections that are port forwarded by a firewall appliance. So far I can only successfully port forward ...
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2answers
706 views

Azure virtual network site-to-site vpn unable to access public ip

I've setup a virtual network in Azure with a site-to-site VPN tunnel. So far so good, but the tunneled devices cannot access my servies via the public IP, they can only access via the local IP. Seems ...
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1answer
123 views

How to use virtual DNS to lookup for VMs?

I have multiple qemu VMs dinamically rebooted. Each of them with DHCP in a NAT virtual network and a unique hostname. From any VM I can see that resolv.conf is using 192.168.122.1 as nameserver. I ...
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1answer
357 views

How can I increase the throughput/bandwith of my virtual network?

I have some virtual machines servers with some micro-services and do some load tests with JMeter. All the servers including the JMeter machine are sharing the same virtual network. The virtual network ...
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1answer
101 views

How to assign an IPv4 address to a second network interface of an LXC container?

I am running an lxc container which I want to connect to two different bridges (br0 and br1). When I configure the container's config file (/var/lib/lxc/testcontainer/config) as shown below, only the ...
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0answers
145 views

How to Setup Azure Site to Site Connection when On Premises VPN needs Specific Address Space?

I've attempted to create an Azure virtual network using the Classic implementation. This is because I needed the virtual network gateway to handle both site to site and point to site connections. A ...
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1answer
209 views

libvirt TCP tunneled network only works for 2 VMs

I'm setting up some VMs with libvirt (qemu driver). One VM is meant to be the gateway and is thus configured with two network interfaces. One interface is bridging into my real LAN and the other uses ...
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336 views

Restricting SQL Server Management Studio using LogMeIn Hamachi

I have a SQL Server 2016 instance on Windows Service 2012 VM running in Azure. Currently the network security group/firewall allows for port 1433/TCP traffic so I can connect from my PC using SQL ...
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1answer
85 views

Output multiple VM's to only 4 IP addresses ESXI [closed]

I have set up a computer as an ESXI environment. The system has 1 physical network port. When I create network ports on my virtual machines, each gets an IP address assigned by my router. I need to ...
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0answers
88 views

Smaller subnet mask to “merge” VPN-connected LANs?

I have two LANs connected to different internet connections (in different cities, in fact): ISP1 -> LAN 1: 192.168.10.0/24 ISP2 -> LAN 2: 192.168.11.0/24 On each LAN is a router. Both routers ...
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1answer
105 views

Azure Virtual network (classic)

I am trying to use a IIS reverse proxy running on IIS in a new Azure VM against an old classic VM. I have the server proxying onto the classic VM but this is currently over the public IP address. Is ...
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2answers
252 views

Azure ExpressRoute without a Virtual Network?

First a bit of context: I have a Saas system on Azure that consists of a bunch of Paas Cloud Service nodes (web & worker roles) and App Service nodes (web apps, web jobs). For compliance reasons ...
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1answer
177 views

Connecting Web App to new VPN in Azure

Is it possible to connect a Web App to a 'Virtual network' (not a 'Virtual network (classic)') in Azure - and if so how. I virtual network, with a virtual network gateway connected but there does not ...
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1answer
631 views

Route Internet traffic to Azure site-to-site VPN tunnel on Sonicwall TZ205

I have configured Sonicwall TZ205 a Route-Based VPN which connect to a dynamic gateway on Windows Azure VNet. The site-to-site VPN connection is established successfully. The machines in on-premise ...
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2answers
206 views

Azure Virtual Network doubts

I would like to set up a Virtual Network in Microsoft Azure but I have a few doubts about it. Can I link a Virtual Machine in another Azure account to my VN? Is it possible to forward all traffic to ...
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0answers
298 views

Best practice for configureing vmware dv uplink port groups?

I'm creating a distributed virtual switch - each host has 2 physical NIC's each of which will map to an uplink port. I want to create uplink port groups so i can set up NIC teaming, I wanted to know ...
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0answers
119 views

Map an IP from virtual network interface to physical network

A Linux VPN Router has the IP 192.168.1.1/24 (eth0), in the same network there are other network devices with fixed IPs Machine A 192.168.1.20 and Machine B 192.168.1.21. To access this devices over ...
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1answer
310 views

Why doesn't my Web App deployed in an Application Service Environment which is associated with a VNet see my VM?

Scenario: VNET address range is 10.2.0.0/23 with Default subnet of 10.2.0.0/27 Brand new ASE instance, configured to use the VNET from step 1 and on that same Default subnet MySQL VM joined to VNET ...
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1answer
1k views

Azure VM and Web App in VNET VPN, changing IP and automatic start of vpn

To connect Web App to VM I created a Vnet (point 2 site). Web app can see VM now, but: it can access it just through an IP and not the host name. To use host name, I found info that I have to setup ...