-1
votes
1answer
34 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
23 views

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

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
24 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
56 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
23 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 ...
-1
votes
1answer
55 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
58 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
64 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 : ...
0
votes
1answer
156 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
79 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
59 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
52 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
69 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
163 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
106 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
446 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
432 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
95 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
397 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
103 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
0answers
176 views

Proxmox Win2012 guest no internet access

I have Proxmox installation with common network layout i.e. as this guy What are the differences in the configuration of the network on Proxmox (KVM)?. I have 3 VMs, 2 with debian, working totally ...
0
votes
2answers
110 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
34 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 ...
0
votes
1answer
848 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
274 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
311 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
254 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
154 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
130 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 ...
0
votes
0answers
136 views

Can't connect from local network to Ubuntu 12.04 installed on VirtualBox 4.2.14 on another PC, adapters 3-4 disabled

Sorry for duplicating the question from stackoverflow (http://stackoverflow.com/questions/17366252/cant-connect-from-local-network-to-ubuntu-12-04-installed-on-virtualbox-4-2-14), but it seems that ...
2
votes
1answer
108 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
252 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
254 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
72 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
136 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
37 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
189 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
140 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
1k 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
276 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
104 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
478 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
144 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 ...
-2
votes
1answer
43 views

Connecting to Gest ip address usign host alias [closed]

I have RedHat OS running on VMWare Player. My host operating system is windows7. Network configuration i am using on my virtual machine is NAT. I have configured my Guest operating systems ...
0
votes
1answer
233 views

SCVMM 2012 SP1 - “Isolate using Hyper-V network virtualization” grayed out

I want to create a VM Network which is isolated. But the option "Isolate using Hyper-V network virtualization" is grayed out. Why?
1
vote
0answers
342 views

Set up LXC container as VM with its own IP address

I need to set up a fenced environment in on Ubuntu server. The actual use case is to have two separate websites running on the same physical box, but I want one of those websites running in a fenced ...
0
votes
2answers
130 views

Private subnet for VM server host-only network

At my current job, we distribute a product based on a Linux server with multiple VMs defined (using KVM / libvirt). We are planning to expose limited ports to the customer's network, and use iptables ...
0
votes
3answers
73 views

How to find host of an unidentified VM in a network? [closed]

For example someone have installed server with a DHCP on VM connected to a corporate network breaking its operation, so I have IP of that VM, but how to find out IP of its host system ?
-1
votes
1answer
694 views

destination host unreachable virtualbox [closed]

Basically i am trying to implement this on this picture I have my static ips assigned more or less like this and i can ping from my internal network to my 2 ports in my router without any problems. ...
0
votes
1answer
34 views

Restarting network controller on Windows Azure Virtual

During an RDP session to a Windows Azure virtual machine I inadvertantly disabled the network controller and now am not able to access the server. I tried restarting the server in hopes that it would ...