VirtualBox

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Ticket Resolution Summary Owner Reporter
#8155 wontfix Bridged Network: VM uses MAC of Host instead of MAC entered in setting for the VM daSnoop
Description

Szenario:
DHCP on Router: Reservation for every Host in the Network
WLAN: MAC Access List
IP/MAC Binding: MAC bound to IP to prevent APR

Host uses WLAN to access the Network.
Both MAC's (Host & VM) are in the WLAN Mac Access List.
VM asks the DHCP for an IP with the correct MAC (entered in the Network Settings of the VM) and gets the correct IP.
After that the VM uses the MAC of the Host (as u can see in the picture. The Router's ARP List contains the IP from the VM with the MAC of the Host & the IP from the Host with the same MAC (window in the very backround))
The ARP list of the Host contains the IP from the VM with the MAC of the VM (window down right)
The VM says it has the MAC entered in the settings (window down left)

Because of that, IP/MAC binding isn't working because i have 2 different IP's with the same MAC.
I wonder why the VM tells the DHCP the correct MAC and after getting an IP it uses the MAC from the host.

That behavior first occured in 4.0. Before the update everything worked perfectly. Because it worked i never looked up wich MAC the VM uses in the previor versions.

#5455 fixed Bridged Networking Driver breaks host networking David Colborne
Description

After installing VirtualBox 3.0.10 on my workstation, my computer would have network connectivity after installation. However, after a reboot, my computer was unable to retrieve a DHCP address. Whenever I'd try to repair the connection, it gave me the error, "Failed to query TCP/IP settings of the connection. Cannot proceed." After uninstalling VirtualBox, my computer immediately retrieved a DHCP address and started to behave normally, which led me to dig a bit further.

After a while, I discovered that, if the VirtualBox Bridged Networking Driver was checked on the host NIC when it booted, I wouldn't have network access. However, if I unchecked it, waited for a DHCP address on the host interface, and rechecked it, everything worked normally.

I'm using an HP Compaq dc5750 with a Broadcom NetXtreme Gigabit Ethernet adapter running Windows XP Professional SP3.

Let me know if you need anything else. I (hopefully) attached a screen shot of the error I received.

#8856 obsolete Bridged Networking Problems with 4.0.6 Thomas Frank
Description

After updating from 4.0.4 to 4.0.6 network connections from outside the host (Win7_64) to the guest (Win7_32/bridged networking/fixed ip-address) break down periodically (after a few seconds and for a few seconds) and come back again. Ping requests from outside the host result in roughly 20 percent loss. Ping requests inside the host (guest to guest) work just fine.

Problem appears without any firewall or other networking restrictions on host or guest.

Bridged networking worked fine in 4.0.4

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