[virt-tools-list] NIC source device in VM machine update

Cole Robinson crobinso at redhat.com
Tue Mar 24 16:34:35 UTC 2015


On 03/24/2015 12:27 PM, Stephen Drotar wrote:
> HI,
> 
> I’m trying to work out the networking for example…. to clarify NIC A is to
> outside and not sure how to internally connect interfaces
> 
> 1st Machine
>> Three NICs
> = NIC A
>>Source Device
> =*NAT to outside internet*
> 
> = NIC B
>> Source Device
> =*Virbr0-nic : macvtap*   or   *vnet0: macvtap*     or    *‘default’: NAT*  or
>  *host device ethic: macvtap*
> 
> = NIC C
>> Source Device
> =?
> 
> 2nd  Machine
>> Two NICs
> = NIC 1
>> Source Device
> = ?
> 
> = NIC 2
>> Source Device
> = ?
> ……
> 
> My question is for machines 1 and 2 to CONNECT internally,  what is the
> common SOURCE DEVICE: *{TYPE}* am using to connect between VM machines?
> 
> 

If they both use the 'default' network (which virt-manager should use by
default), they can talk directly to each other. Try pinging machine B's IP
address from machine A, it should work

- Cole




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