I configured 2 guest OS (CentOS & Windows10) in virtual box and the base machine running on windows 10. both guest OS are configured with 2 network cards one is on NAT and other one is Bridged. My problem is only one guest machine is taking IP from my org dhcp and other one is not. please suggest. I tried configuring manual IP but, its not pining.
NAT wont take IP address, it will create internal network and communicate via hosts network IP address.
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I'm trying to set up a personal cloud server on a Surface Pro, but I'm running into a networking issue that has me completely stumped.
My setup looks like this: I've installed a Nextcloud server on a VMWare virtual machine that's running Ubuntu 16.04, and I have it configured to use NAT so the virtual machine shares a fixed ip address with the host machine. I've forwarded ports 80, 443, etc. on the host machine's NAT device so requests go to the virtual machine. Additionally I've configured my router to have a static ip address, and I've forwarded all the relevant ports to the Surface Pro on my router.
So the trouble is that I can't connect to my server from my browser. HOWEVER, I am able to ping my server, I can SSH in to both the virtual machine and the host machine from the internet, and I am able to access the server in my browser from any computer that's connected to LAN, no problem.
This all sounds like it could be a firewall issue to me (maybe port 80 is blocked on the host machine for some reason??) but the fact that I have no trouble accessing the server from LAN is confusing the issue, and also deactivating the firewall on the host machine doesn't solve the issue.
Any thoughts?
I solved the problem! It turns out the NAT device was improperly configured to use its own DHCP service rather than using the local DHCP service. Basically it was assigning a LAN IP address 169.254.72.176 to the virtual machine, while everything else was configured to expect that the virtual machine's IP address was fixed at 192.168.34.43.
I've been searching around and found no similar issues have been asked.
My desktop (windows 7) is in LAN, has IP (192.168.3.121).
I installed vmware (windows 7), using NAT connection (172.168.174.128). The guest is able to access internet without problem.
In guest, if I "ping 192.168.3.121", this will be ok.
If I "ping 192.168.3.xxx", will also be ok.
If I "ping 192.168.174.2" (DNS), this will be ok.
If I "ping 192.168.174.1", can't ping.
Note my host Vmnet8's ip is indeed 192.168.174.1. Ping from host also doesn't work.
From host:
"ping 192.168.174.128" (guest IP), does not work
"ping 192.168.174.2", does not work
Both host/guest windows are installed without any other "security/defender/firewall" related softwares.
Anywhere can go wrong?
Thanks.
If you configured your vmware VM to run in a virtualized NAT network, then you will not be able to access/ping your VM from the Host, or anywhere else for that matter, without configuring port forwarding for that virtual NAT network.
If you would like to be able to access your VM from your host you can either:
A) Change the mode of the network adapter for the VM to a bridged adapter. This will make the VM act as if it is just another computer on the same network your Desktop is and will be accessible at an IP such as 192.168.3.122
or
B) Add a Host-Only network adapter to the VM. This second NIC will be connected to a network that has no internet access, but is connected to the host and any other VMs on the same host-only network
Also, check the firewall settings to allow inbound ICMP inside the VM.
You mean that you cannot ping to the VMnet8 interface of your physical PC.
Maybe it is not activated.
It should be activated first by issuing the command at the cmd prompt with the admin's privilege.
C:\Windows\system32>netsh interface set interface name="VMware Network Adapter V
Mnet8" admin=ENABLED
I have seen this issue with two different windows 10 machine & two different version of vmware workstation ( 15 & 16).
One way it works is I start the wireshark & under capture options I select on VMWARE8(default for workstation/need to adjust according to your NAT Interface) & than start ping from My Local Machine to NAT IP of the VM .
It takes time but it works. I do not what triggers this .
My initial thought was it's one of the Windows 10 upgrade but with two different version of windows 10 & this old issue resurfaced.
Navigate to "Control Panel\Network and Internet\Network Connections".
Disable and Enable the VMware Network Adapter VMnet8 and try again.
I was having same problem after the latest release of VirtualBox-6.1.6-137129-Win update. "NAT Network" on any of the guest machine was not working. So i downgraded my virtual box version to 6 and works fine with all my VMs but problem remains in Kali Linux.
NAT Network was successful in giving IP to kali machine but Internet was not working. Problem i found was somehow gateway of kali wasn't set. Then i configured both Gateway and DNS manually and it worked for me.
Make sure that you Uncheck the option "Use this Connection only for resources on this network."
Kali manual configuration for IP, DNS and Gateway
For sake of automation I need to be able to manually set the IP address of my Virtualbox guest (which is an OS X) to a fixed IP.
Can this be done using VBoxManage? I need to avoid the GUI.
Thanks
in your virtual machine setting, you can find networking adapters. You have some choice :
Network Address Translation (NAT): Used to share the host's IP address
If all you want is to browse the Web, download files and view e-mail inside the guest, then this default mode should be sufficient for you, and you can safely skip the rest of this section.
Bridged networking
This is for more advanced networking needs such as network simulations and running servers in a guest. When enabled, VirtualBox connects to one of your installed network cards and exchanges network packets directly, circumventing your host operating system's network stack.
Host-only networking
This can be used to create a network containing the host and a set of virtual machines, without the need for the host's physical network interface. Instead, a virtual network interface (similar to a loopback interface) is created on the host, providing connectivity among virtual machines and the host.
if you want specific IP for your virtual machine you can set in your guest vm ( ifconfig in linux & ipconfig in windows) and choose NAT in network adapter setting .
https://www.virtualbox.org/manual/ch06.html
I am developing an application related to networking . Its prerequisite is that the machine must have an ip address to function properly.
When i am on my home network , my machine gets the IP address through DHCP present on my network. However, when my machine is in stand alone mode e.g. while travelling i can not have an ip address and the status is LAN DISCONNECTED.
Is there a workaround so that i can get an ip address or virtual ip address in standalone mode?
I have already tried configuring with loopback address and other ip address.
Can I do it by installing a dhcp server on my machine? My system uses WINXP?
Network card: BroadcomNetxtreme 57XX gigabit ethernet.
I strongly feel that the application details have nothing to do with it. Since, when the machine has an ip address it starts working properly.
Still i am open to ideas.
I advise you to work inside a virtual machine, and then assign a virtual IP and vitual MAC of your convenience. You can use Virtual Box or VMWare.
I am using a Macbook running 10.6. I am using VMware Fusion to run an Ubuntu Server minimal virtual machine. Ubuntu Server is running your basic LAMP stack.
I do my development in Mac OS. I have VMware share a directory from Mac OS to the Ubuntu Server. Ubuntu Server uses that directory for apache.
I access my server is Mac OS in firefox using the ip address of my virtual machine. This is a pain because I have to find out what the ip address is of my virtual machine each time I boot it up. I could set a static ip address but this causes problems if I move my Macbook from network to network.
Is there any configuration (NAT or Bridged or something) that would let me access my virtual machine from the Mac OS using localhost or something similar?
Thanks
NAT should be OK. Your VM is on a different subnet that way, you can give it the static IP you like, and it won't interfere with the (dynamic) IP on your real network.
What you are looking for is the host-only networking adapter as opposed to the NAT or bridged adapters. This creates a network interface on the virtual machine that only connects the actual host. It is perfectly safe to set an IP address for this interface that does not change, and there will be no tricky NAT getting in the way. It's a little network that only exists for communication between the real host and the virtual host. It's exact purpose is so you can do development like this. I use the same feature on VirtualBox all the time, but VMWare has it as well.
Now, with a host-only adapter you might be worried that your VM now has no access to the Internet. The answer is simple. Just make two adapters. eth0, eth1. Make one of them a bridged or NAT adapter for Internet access. Make the other one the host-only adapter for your development. Most modern Linux distros will automatically route accordingly. I know for a fact that Ubuntu does, because I do it all the time. Again, this is with VirtualBox. Your mileage may vary with VMWare, but I can't imagine it's that different.
I'm using Virtual Box and typing in the computer local address (for instance 192.168.1.100) instead of localhost did the trick.
Maybe I'm misunderstanding your question but why not just add an entry in your hosts file for the virtual machine? That way you can access it with some arbitrarily assigned name (like testmachine) instead of the IP.
This is the first tutorial I found through google: http://decoding.wordpress.com/2009/04/06/how-to-edit-the-hosts-file-in-mac-os-x-leopard/
This would work best if your VM has a static IP, BTW (either no DHCP or configure the DHCP server to give that MAC the same IP every time). That way you don't have to worry about changing the hosts entry every time the DHCP server gives the VM a different IP.