[CentOS] KVM Virtualization Network VLAN CentOS7

Subscriber ml-lists at agoris.net.ua
Thu Apr 7 08:38:06 UTC 2016


Hello FrancisM,

Thursday, April 7, 2016, 11:20:20 AM, you wrote:

> After trying the method using the 'nmcli'  its the same error result as
> what I encountered in using the 'nmtui' by the way after configuring then
> check it in the nmtui its the same configuration as what I have done
> earlier.

You mast use or NetworkManager.service or network.service, not both

systemctl disable network.service
systemctl enable NetworkManager.service

nmcli connection show
> [root at server network-scripts]# systemctl status network.service -l
> ● network.service - LSB: Bring up/down networking
>    Loaded: loaded (/etc/rc.d/init.d/network)
>    Active: failed (Result: exit-code) since Tue 2015-04-07 17:19:00 SGT;
> 1min 13s ago
>      Docs: man:systemd-sysv-generator(8)
>   Process: 48732 ExecStop=/etc/rc.d/init.d/network stop (code=exited,
> status=0/SUCCESS)
>   Process: 49302 ExecStart=/etc/rc.d/init.d/network start (code=exited,
> status=1/FAILURE)

> Apr 07 17:17:28 server network[49302]: [  OK  ]
> Apr 07 17:17:29 server network[49302]: Bringing up interface
> team1_slave_enp5s0f1:  Connection successfully activated (D-Bus active
> path: /org/freedesktop/NetworkManager/ActiveConnection/69)
> Apr 07 17:17:29 server network[49302]: [  OK  ]
> Apr 07 17:19:00 server network[49302]: *Bringing up interface vlan247:
> Error: Timeout 90 sec expired.*
> Apr 07 17:19:00 server network[49302]: *[FAILED]*
> Apr 07 17:19:00 server network[49302]: Bringing up interface br247: [  OK
> ]
> Apr 07 17:19:00 server systemd[1]: network.service: control process exited,
> code=exited status=1
> Apr 07 17:19:00 server systemd[1]: Failed to start LSB: Bring up/down
> networking.
> Apr 07 17:19:00 server systemd[1]: Unit network.service entered failed
> state.
> Apr 07 17:19:00 server systemd[1]: network.service failed.
> [root at server network-scripts]#

> I will try to use other configuration on this bridge. Does it matter if I
> use TEAMING and not BONDING on this bridging configuration because the two
> nic card that is trunk is configured as TEAMING in my CentOS7

I am using teaming +bridge +vlan. All works as expected/




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