Re: [CentOS] Trying to get bride network on CentOS 7 working with virt-manager

2020-06-09 Thread Jerry Geis
> virsh iface-bridge eth0 br0 --no-stp

Thanks -  This is working now.
Jerry
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Re: [CentOS] Trying to get bride network on CentOS 7 working with virt-manager

2020-06-08 Thread Gordon Messmer

On 6/8/20 3:46 PM, Jerry Geis wrote:

I have these interfaces listed.

virbr0: flags=4099  mtu 1500
 inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255

virbr1: flags=4099  mtu 1500
 inet 192.168.100.1  netmask 255.255.255.0  broadcast 192.168.100.255



Those interfaces are for NAT networks, not bridged networks.

The easiest way to set up bridged networking on CentOS 7 is:

    virsh iface-bridge eth0 br0 --no-stp

This command will create a new bridge interface, br0.  The existing 
interface, eth0, will be added to the bridge, and its current IP 
configuration will be migrated to the new interface.


(This should work for C8, but I haven't deployed KVM on C8 yet)


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[CentOS] Trying to get bride network on CentOS 7 working with virt-manager

2020-06-08 Thread Jerry Geis
I have these interfaces listed.

eth0: flags=4163  mtu 1500
inet 192.168.1.8  netmask 255.255.252.0  broadcast 192.168.3.255
inet6 fe80::e2d5:5eff:fe63:abe5  prefixlen 64  scopeid 0x20
ether e0:d5:5e:63:ab:e5  txqueuelen 1000  (Ethernet)
RX packets 42411243  bytes 4701898681 (4.3 GiB)
RX errors 0  dropped 156  overruns 0  frame 0
TX packets 78372982  bytes 34946337897 (32.5 GiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
device interrupt 16  memory 0x92f0-92f2

virbr0: flags=4099  mtu 1500
inet 192.168.122.1  netmask 255.255.255.0  broadcast 192.168.122.255
ether 52:54:00:fc:34:af  txqueuelen 1000  (Ethernet)
RX packets 132792  bytes 337411780 (321.7 MiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 138593  bytes 742263806 (707.8 MiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr1: flags=4099  mtu 1500
inet 192.168.100.1  netmask 255.255.255.0  broadcast 192.168.100.255
ether 52:54:00:9c:39:02  txqueuelen 1000  (Ethernet)
RX packets 206217  bytes 132308800 (126.1 MiB)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 105448  bytes 197008661 (187.8 MiB)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

virbr0-nic: flags=4099  mtu 1500
ether 52:54:00:fc:34:af  txqueuelen 1000  (Ethernet)
RX packets 0  bytes 0 (0.0 B)
RX errors 0  dropped 0  overruns 0  frame 0
TX packets 0  bytes 0 (0.0 B)
TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


When I bring up virt-manager, got settings for my VM, and for "Network
Source" I select
"Specify Shared Device Name" and I have tried the virbr0 and clicked apply
and boot the machine. I get networking but not bridged networking - not a
192.168.1.X address.

Is there something I missed ?
Thanks,

Jerry
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