Am 02.06.2020 um 12:38 schrieb Jerry Geis:
> Hello. I desire to get bridge network working using virt-manager.
> Centos 7 and centos 7 guest.
>
> From researching I think I need to have a ifcfg-br0 file like this ?
>
> cat ifcfg-br0
> DEVICE=nm-bridge0
> STP=no
> TYPE=Bridge
> BOOTPROTO=none
> IPADDR=192.168.1.8
> PREFIX=32
> GATEWAY=192.168.1.1
> IPV6INIT=no
> NAME=br0
> ONBOOT=yes
> DELAY=0
>
> Is that for sure needed ? The use that nm-bridge0 as the network name?
>
> I dont want to mess up my current setup.
> Thanks,
>
> Jerry
Use the virt-manager to create the desired bridge. It will end under
/etc/libvirt/qemu/networks/. And there probably exists already a
# cat /etc/libvirt/qemu/networks/default.xml
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made
using:
virsh net-edit default
or other application using the libvirt API.
-->
<network>
<name>default</name>
<uuid>79d01cb2-28a4-4bdc-8b68-80ac588b2d61</uuid>
<forward mode='nat'/>
<bridge name='virbr0' stp='on' delay='0'/>
<mac address='52:54:00:ec:84:b0'/>
<ip address='192.168.122.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.122.2' end='192.168.122.254'/>
</dhcp>
</ip>
</network>
Alexander