On 2/5/19 10:15 AM, Hetz Ben Hamo wrote:
Hi,
The following thing drives me nuts. I have 2 nics on my
machine: enp30s0f0 (which is active) and enp30s0f1 (which is
disconnected). I've also created a nat network which uses the internal
NAT (i've called it "nat-net").
What I want to do is simple: I want that the VM will get a an IP from
the external DHCP, just like other machines in the LAN, and be able to
access the VM from other machines in the LAN. Just like MACVTAP but with
access from host to guests and other machines to guest (this is
important to me since I want to set a fixed IP in the guest and register
it in the internal DNS).
No matter what tool I use - nmtui, "connection details/Network
Interfaces" - I cannot select my active network connection (enp30s0f0)
whether it's disconnected or connected - to create a bridge or anything
else to perform this task.
How can I perform this? link to info/howto or anything useful would be
welcome.
Thanks
I've used this as a guide roughly:
https://www.happyassassin.net/2014/07/23/bridged-networking-for-libvirt-with-networkmanager-2014-fedora-21/
For example if you want to bridge enp30s0f0, do
- Stop the interface: nmcli con down enp30s0f0
- Open nm-connection-editor
- Set enp30s0f0 to _not_ 'connect automatically'
- Create a bridge, say named bridge0
- Under bridged connections, click add, select ethernet
- In the ethernet dialog, click Device, select enp30s0f0 MAC.
- Name the ethernet bridge0-enp30s0f0. Save everything and exit
- Save everything and exit. May need to explictly nmcli con up bridge0
- If you want to switch back to non-bridged mode, turn off bridge0 and
bridge0-enp30s0f0 autostart, and turn on enp30s0f0 autostart
Then have your VM use the bridge0 bridge
- Cole
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