CentOS Networking with V Box

[Michael Torres]

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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>>
>>
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