CentOS Networking with V Box

[Kevin Fries]

Eh and company are being phased out everywhere.  I use CentOS at work, but
Arch on my personal stuff and the serial/port addressing is been used in
arch for some time.
On Feb 3, 2015 11:47 PM, "Michael Torres" <matorres124 at gmail.com> wrote:

> in the newer version of CENTOS, eth0, eth1, ethN....etc.....is not longer
> being used.....not sure why, but that is what  I gather from message boards
>
> On Tue, Feb 3, 2015 at 11:46 PM, Kevin Fries <kevin at fries-biro.com> wrote:
>
>> 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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