CentOS Networking with V Box

[Kevin Fries]

An interface that starts en is ethernet.  Wireless interfaces should start
wl.  That is the rule for base hardware, I am unsure if this changes in a
vm.
On Feb 3, 2015 11:42 PM, "Michael Torres" <matorres124 at gmail.com> wrote:

> What is your "outside" interface you're bridging to?  Where does the
> "host" get it's address from?
>
> I am assuming your refering to my network adapter?  in this case my
> wireless adpater and yes, in my VBox config settings,  I am choosing that
> adapter
>
> If your familiar with VBox settings, here they are line by line...
>
> Attached To: Bridged Adapter
> Name: Killer Wireless-n/a/ac 1525 Wireless Network Adapter
> Adapter Type: Intel PRO/1000 MT Desktop (82540EM)
> Promiscuous Mode: Deny
> MAC address: 080027FFA0AC
> Cable Connected: yes
>
>
> I have verified that the MAC address is the same in my ifcfg-enp0s3 file.
>
>
>
> On Tue, Feb 3, 2015 at 11:14 PM, Michael Butash <michael at butash.net>
> wrote:
>
>>  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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