0
votes
0answers
3 views

network adapter not listed in my virtualbox vm [migrated]

I am trying to SSH into a virtual machine I have set up in virtual box from my Windows 7 host machine. I would like to make several development machines and ssh into them from my host machine, as well ...
0
votes
1answer
24 views

Set up a two-machine-development environment

I took over a SharePoint developing virtual machines images (VMWare) after a colleague quit. It is a two machines developer environment, one with SharePoint Server, the other one with SQL. When I ...
1
vote
0answers
13 views

Windows DHCP MAC-Range to Scope allocation

I wonder if there is any options to map a specific Range of MAC addresses to a specific DHCP address scope. The thing is, I want a specific scope for address allocation to bridged Virtual Machines ...
1
vote
1answer
31 views

Win7 VM network is flaky after migrating from Hyper-V 2012 to 2012R2 and upgrading integration software

I'm in the process of upgrading our Windows 2012 Hyper-V hosts to 2012R2. As part of this process, I am migrating existing VMs from the 2012 hosts to hosts that have already been rebuilt. These are ...
-1
votes
1answer
41 views

Force network messages from VM's on same ESXi to gateway

In the context of introducing ESXi we would like to know if it is possible to force messages destined from VM_A to VM_B on the same ESXi towards the gateway. The reason behind this seemingly strange ...
0
votes
2answers
85 views

Make ESXi VM use client network

Is it possible to make the ESXi VM to use the network that from where the remote console to the VM (in question) is initiated? For eg. I have a VM "VM1" on an ESXi. I am initiating the remote ...
0
votes
1answer
51 views

How to change the setting for a network device reported by ethtool, specifically Speed, on VM?

This is related to these two questions, although they don't answer my question. The machines are RHEL6. 1.ethtool not showing all the properties 2.changing network speed to 1000Mb/s Output on VM: ...
1
vote
0answers
80 views

Make other VMs show in Network on windows server in Azure

I'm deploying a desktop app that connects to a remote database. standard 2-tier setup, but it's not a web app. People will log in via RemoteApp. But I'm having trouble getting the app instances in ...
1
vote
1answer
331 views

Configure an Azure VM for Dynamic DNS for Cloud Services

I am trying to setup an Azure VM with proper DNS to allow multiple cloud services to communicate across cloud service boundaries. As I understand it, I need to provide my own DNS server. I do not ...
-1
votes
1answer
406 views

Two NIC (eth0,eth1), two global IP on same subnet. Became unreachable to IP on eth1 after reboot

I configured a CentOS 6.5 virtual server and deployed it to a remote VMware vSphere environment. We needed two IP address, so I added a virtual NIC and assigned a second IP on eth1. I didn't ...
0
votes
1answer
198 views

Add more than 10 vmnet in “vmware server” 2 [closed]

I need to create an esxi 5.5 nested environment on win 2k8 and i would want to do it on vmware server instead of workstation. vmServer has "only" 10 vmnet adapters, but i've 15 nic on my physical ...
0
votes
0answers
37 views

Network setup issue with no connection between virtual machines

I have the following network setup: EDIT: NOTE: WARNING: In the above Windows1 should have the ip 192.168.137.1 The issue that i am having is that every machine can ping and connect to every other ...
1
vote
1answer
98 views

Bridging is breaking the server: KVM configuration

I'm pretty new to networking and just can't get my head around this. I'm trying to setup KVM-Qemu so I can run some virtual machines. The instructions I'm following are telling me to use eth0 and ...
0
votes
0answers
26 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
0
votes
1answer
372 views

Vagrant w/VirtualBox and Multiple Network Interfaces [closed]

What's the right way to configure multiple network interfaces with Vagrant? Here's the simple Vagrant file I'm testing with: . Vagrant.configure("2") do |config| config.vm.provider :virtualbox do ...
0
votes
1answer
275 views

Resolving External DNS from Azure Virtual Network

I've set up a virtual network in Windows Azure to host two Linux VMs (Centos / OpenLogic). I've registered a local DNS (local as in the cloud, not my personal network) inside the virtual network. I ...
0
votes
2answers
102 views

KVM Network configuration + VLAN trunck

I am trying to set up a KVM Based solution, I am having trouble configuring the NICs for the VMs from a bridge based on a VLAN interface. My config below : ETH0 : KVM Host Management : ...
2
votes
2answers
870 views

Can I add a second network adapter to my Azure VM?

I have Multiple VM's on Windows Azure. Default, they come with 1 network adapter and you can only assign 1 virtual network (Availability Set) My question is : possible to connect 1 VM to more then 1 ...
1
vote
2answers
89 views

Why am I only able to connect to my server when generating traffic from it? [SOLVED]

UPDATE - Because of the infrastructure changes from the acquisition, there was an IP address conflict. Once that was identified, the behavior stopped, as traffic could consistently be routed to the ...
-6
votes
1answer
90 views

Different subnet range of ips are not working - windows server 2012 - virtual machine [closed]

ip , subnet , default gateway The main server is windows server 2012 and main ip is : 198.245.73.82 , 255.255.255.248 , 198.245.73.81 Now i have originally allocated ip range from my server ...
1
vote
2answers
74 views

Guest OS provide internet access to another Guest through Host-Only adapter

I have a set-up like this: Ubuntu (Host OS) OpenWRT(Guest OS) | Damn Small Linux(Guest OS) OpenWRT is connected to Ubuntu through two interfaces, eth0 via NAT (for internet) and eth1 ...
2
votes
0answers
90 views

xenserver vm routing fails half the time on the same network

I recently switched from openstack (due to complexity) to xenserver at work, I ran into an issue that I can't solve, I can ping the server all the time but the vms part of the time. here is a ...
4
votes
2answers
571 views

Proper Hyper-V Network Configuration for Windows Server 2012?

We just put our first Hyper-V based web solution online about a month ago (Diagram below). We're having intermittent communication issues between Virtual Machines during periods of elevated traffic, ...
-3
votes
2answers
171 views

What is the best way to setup a heartbeat agent for failover between two VMs? [closed]

I have two VMs in VirtualBox that use NAT for their network adapters. They are both getting the same IP address, so I will need to reconfigure that; but knowing that, is it possible to set up a ...
0
votes
1answer
1k views

Hyper-V: Guest external internet access

Following setup: Host machine has 1 physical NIC Host OS = Win Server 2008 R2 (hosted in data center) Guest OS = Win Home Server 2011 Network setup basically as described here or here. Goal: ...
0
votes
1answer
905 views

Proxmox: VMs and different public IPs

I have a server which has two NICs and both are directly connected to internet. I have five different public IP addresses available for the VMs. The host machine (Proxmox) doesn't need to use any ...
0
votes
1answer
157 views

nslookup and tracert inconsistencies

In a Windows 7 VirtualBox guest with NAT and an OpenVPN connection issued by the host, nslookup and tracert behave differently w.r.t. name resolution: nslookup hostname works, using 10.0.2.3 as DNS ...
1
vote
2answers
686 views

VMWare Workstation - how to automate or script changes to the virtual network configuration

VMWare Workstation (I'm using V8 on Linux) provides a GUI tool, Virtual Network Editor (vmware-netcfg) to edit the virtual network adapter settings for use by the VMs on the system. I'm dealing with ...
0
votes
0answers
118 views

Single VLAN ID out of 5 not working in Hyper-V 2012 Cluster / SCVMM 2012 SP1

I am having strange issues with one specific VLAN in a Hyper-V 2012 cluster. The cluster has 3 servers, each one has a "Management" adapter for management traffic and "VM Data" adapter for virtual ...
0
votes
2answers
178 views

Networking in 2003 SP2 VM running under 2012 Standard Hyper-V, adapter failing

We had a 2003 SP2 Web/SQL Server VM running on a hosts hardware. The hosting company became unresponsive so we decided to move the VM. So far I have done the following: I used disk2vhd to create a ...
0
votes
0answers
45 views

Trying to communicate between virtual servers on the same host through ipv6

I am running KVM on a host with 2 virtual servers. Each virtual server has a own bridge interface on the host VPS1 has br1 VPS2 has br2 Each virtual server has a own ipv4 and a ipv6. The virtual ...
1
vote
1answer
4k views

Unable to ping between host machines and guest vms running on Vmware

In order to learn a bit about system administration, I've installed a Centos vm using Vmware on my local machine running Windows 7. Everything seems to be working fine since I can access the internet ...
0
votes
2answers
345 views

Why VM cannot get the public IP I have from provider?

I have a KVM-Host (on Debian) with root@kvm-host:/# cat /etc/network/interfaces auto eth0 iface eth0 inet manual auto vmbr0 iface vmbr0 inet static address 176.x.y.133 netmask 255.255.255.224 ...
2
votes
1answer
572 views

Why are eth0 and vmbr0 (bridge) having the same MAC addresses?

I configured my Debian (with KVM on board) as following: /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet manual auto vmbr0 iface vmbr0 inet static address ...
0
votes
1answer
309 views

How to configure a network on KVM using only public IPs?

I have a KVM server and two VMs. I have one main IP and two additional "single" IPs (not a subnet). I don't want have a local network with private addresses on my KVM, but I want to assign my public ...
0
votes
1answer
197 views

What are the differences in the configuration of the network on Proxmox (KVM)?

I have a dedicated server, one main public IP from /27 and two single public IPs also from the same /27 (I think the provider manages single IPs using the VLAN tags). I want to have a KVM running on ...
0
votes
1answer
222 views

How configure multiple IP Failover on the same VM?

I'm trying to configure multiple IP Failover on the same VM behing Proxmox VE. I've got these IP : IP1, IP2 and IP3. IP1 is the main one. I've configured in Proxmox these IP in veth with theses infos ...
2
votes
1answer
127 views

Is the system time across different virtual machines synchronized in virtualbox?

I am developing an application which requires intricate testing involving exact time stamps of various events. As an example, lets say we have two hosts: h1 and h2. Now if I run a tcpdump on h1, I ...
0
votes
1answer
353 views

How can I connect two virtual machines in vSphere ESXi 4.1?

There is documentation available for version 5 (I am running 4.1 per the title), but following the directions raises the error: Incompatible device backing specified for device '0'. upon ...
1
vote
1answer
354 views

XenServer - Does the Hypervisor act as a router?

I have a XenServer installed running multiple OS's testing GlusterFS. My Colleague says that the Xen Hyper-visor routes the connectivity inside the Hyper-visor and it never enters the network. That is ...
0
votes
0answers
75 views

How to redirect a local port range to a guest VM using Linux?

I am trying to redirect connections made inside a linux host to a guest VM, say 192.168.122.158, for a certain port range, say 8000:8500, i.e.: telnet localhost 8000 should actually result in a ...
0
votes
1answer
219 views

Hyper-V VM on Windows 8 - No Network Access

I have a VM set up in Hyper-V and 2 virtual switches that SHOULD allow me to RDP to the VM and for the VM to have access to the internet. I can RDP to the VM, but the VM does NOT have access to the ...
-2
votes
1answer
51 views

Connecting vmware on two computers [closed]

I have a switch and 2 computers, each one has vmware with a running centos 5.8 on. what i am trying to do is ping centos2 from centos 1 through the switch(10\100). please help.
0
votes
1answer
272 views

Xen guest - cannot get network connection beyond the host

I've just installed a XenServer 6.1. It came with a standard configuration: network 0 connected to NIC 0. I created a VM but I can't reach any network beyond the host. From the VM (172.18.32.20), I ...
1
vote
2answers
177 views

Mapping subdomain to a virtual machine

I Have one dedicated server running Windows Server 2012 with one public IP. This server is hosting a Linux virtual machine. Is it possible to point example.com to the Windows host and route all ...
2
votes
3answers
2k views

Unable to ping VirtualBox guest with Bridged Networking

I'm running VirtualBox 4.2 on Windows Server 2003 and I am trying to ping the IP address of the guest virtual machine from the Windows host (ICMP is not being blocked). The guest is 192.168.0.1 and ...
0
votes
2answers
390 views

How to unbind Linux network interface from MAC address

I have some Fedora VMs setup ontop of VMWare. Sometimes, when software updates happen to VMWare, the VMs will get new MAC addresses. However, the default network configuration in Fedora is to bind an ...
0
votes
0answers
117 views

LAN connection to router from virtual machines on bridged network

First off, I know that this question exhibits bad practice, but the problem is being pursued from more an academic POV than practical application. I'm using a number of Virtual machines (Using the ...
1
vote
3answers
874 views

How to control VM traffic on KVM

I have multiple VMs running on a KVM hypervisor. One of the VMs is consuming most of the available bandwidth, making it difficult for other VMs to use. How can I control the bandwidth usage for each ...
0
votes
1answer
196 views

It is possible to establish a VM-to-VM connection between Azure virtual machines?

How should I create and configure Azure virtual machines to allow VM-to-VM connections? It is possible to connect using the private ip? Do I need a Azure Virtual Network? Basically I need to run ...