Sounds like you're binding to the wrong interface for your bridge for vbox.  You shouldn't need to put it in promiscuous unless you're intending to sniff actually with wireshark or like.

As asked, ifconfig -a would be helpful.

What is your "outside" interface you're bridging to?  Where does the "host" get it's address from?

Make sure vbox is binding to "that" interface.

I've not ever had an issue with that occurring unless picking the wrong interface on the system on wired.

Ahh, yes on "wired".  Wireless is different - depending on the wireless, the router/ap might not let you get another address.  Enterprise (and commercial hotspot systems) wifi systems like cisco do things like dhcp binding for the host, disallowing you as the cpe device from binding with an additional mac address on that session as "bridged".  Your only alternative at that point is to use the nat interface for translating you out via your acquired host address off an internal interface.

-mb


On 02/03/2015 08:07 PM, Michael Torres wrote:

Hello all,

I have an problem that  I cannot seem to figure out.....

I am trying to use "Bridged" networking in Virtual Box to a CentOS 7 minimum install distro that I want to use for my development server.

I have used Bridged networking in the past and never had any issues but that was with older versions of CentOS

The issue....  DHCP will not assign a IPv4 address to the server.

Here is the weird part...  I was at startbucks and actually got it to work! (Please, hold the "Just use it at starbucks then" comments..I know....)

Here is the process I used...

-Installed a fresh CentOS 7 on VBox

-While on NAT,  I performed "yum update" so my server was fresh with the latest

-Disabled SELinux

-Disabled the Firewall

-Shut down server to reconfigure the adapter to "Bridged"

-used adapter type of "Intel Pro 1000 MT Desktop (82540EM)"

-set it to "Promiscuous Mode"

-restart the server

Again, at Starbucks it assigned a IP address, so this leads me to believe that the issue is with a configuration on my router.

I am not very good at networking, so any help would be appreciated.

If you need error messages or other output, let me know (and possibly the command as I don't know networking that well other than "ifconfig")

Mike

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