Questions tagged [virtual-network]
The virtual-network tag has no usage guidance.
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1answer
42 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
73 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
33 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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0answers
53 views
simulate bad network between two devices
We are developing a product on an arm soc and unfortunately the kernel on the devices does not support netem. So I want to use my workstation as an intermediate router to simulate a bad network ...
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0answers
68 views
Virtual Network Adapter that forwards request to a SOCKS proxy
Being forced to use a proxy is a nightmare. You have to configure almost every software for the proxy, if the software supports it. It would be great if we could configure our network adapter to use a ...
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0answers
21 views
Track what computer is exhausting DHCP leases
My DHCP running out of available IP leases.
But I know there is not enought devices in my network to achieve this. The wireless network lives in a separated subnet, so we are talking about wired ...
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0answers
24 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
283 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 ...
google-cloud-platform
2
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3answers
746 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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0answers
57 views
Azure Virtual network gateway no IP
In Azure how do I find the internal IP address of my Virtual network gateway? In the 'Connected devices' section of my virtual network there is no IP address showing up.
1
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1answer
1k 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
445 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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0answers
453 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
696 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)
...
0
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1answer
550 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 ...
1
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1answer
532 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 ...
5
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1answer
662 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
396 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 ...
3
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2answers
307 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 ...
2
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1answer
341 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 ...
0
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1answer
2k 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
550 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 ...
1
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1answer
77 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 ...
6
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1answer
182 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 ...
1
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1answer
92 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 ...
1
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0answers
130 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 ...
1
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1answer
146 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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0answers
192 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 ...
-1
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1answer
80 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 ...
0
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0answers
74 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 ...
0
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1answer
82 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 ...
0
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2answers
206 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 ...
0
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1answer
142 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 ...
0
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1answer
498 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 ...
0
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2answers
191 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 ...
3
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0answers
230 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 ...
2
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0answers
80 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
270 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 ...
0
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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 ...
1
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1answer
271 views
Azure: Name resolution between VMs and role instances located in the same virtual network (Linux)
I have deployed two ubuntu (14.04) machines with different cloud services in a virtual network (with default configuration). Now I would like to get the private ip of one of the machines from the ...
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3answers
2k views
Azure Linux VM name resolution
We have a single virtual network, with a single cloud server on Azure. This virtual network has multiple server nodes - including Windows machines, and some Linux machines. One of the Windows machines ...
0
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1answer
67 views
Can't connect to pre-configured NAS boxes with static addresses and default gateway 172.16.2.1
I received several TeraStation NAS boxes which I can't configure because I can't connect to them, presumably because they were setup for a specific environment. I'm hoping to virtualize the ...
0
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0answers
1k views
citrix xenserver 6.5 can't get vm's public network
Can't get my vm's guest out connection..!
Premised: I alreay use xenserver on a test server dellt310 with two ethernet card that works perfectly, but now... ->
I have an hetzner dedicated server ...
-2
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1answer
500 views
Virtual network - tracert to local vm results in over 255 hops [closed]
Why does my tracert take over a maximum of 255 hops, when both vm's are on the same local network, hosted on my laptop?
I have a laptop which is connected to my home router via wireless lan with ...
0
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1answer
190 views
Attempting to add a VNet to an Azure Website gives VPNNetworksetupfailure
When attempting to put an existing Website (newly created) on to a Virtual Network (Created as part of the process) I get a vpnnetworksetupfailure message, but no other information. This is all done ...
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1answer
2k views
How to join local computer to azure virtual server domain? [closed]
Scenario: I want to migrate my servers to cloud and retire all local servers such as DC and file server. At the same time, I wish to control the network traffic to limit the clients access to Internet ...
0
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1answer
885 views
Connect clients to Azure Virtual Network (point to site)
I'm started using the Azure Virtual Network (Point-to-Site), I successfully implemented the VPN and I can connect from my Windows 8 to a Virtual Machine.
Now I want to connect several users (no ...
0
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1answer
240 views
Can we provide an stack of IP's to the Open Vswitch to pick the IP?
I have started learning virtualization using KVM hypervisor and trying to set-up virtual cluster on the host machine.However from the tutorials on the internet states that the VM connected to OVS ...
0
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1answer
297 views
vSphere vApp IP address configuration. How does vApp really work?
I have a pool of ESXi-5.5.0 servers that I have configured a single vApp on. This vApp is configured in transient mode to configure IP addresses from an IP pool I specified. I assigned a single ...
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1answer
1k views
New Azure VMs on virtual network have no connectivity to anything
A couple of days ago, I created a cloud-only Azure virtual network (no cross-premises connectivity), provisioned a domain controller/DNS server inside of it, and configured both my DNS server and the ...
