[CentOS] KVM Virtualization Network VLAN CentOS7 (resolve)

FrancisM francis at mytechrepublic.com
Thu Apr 7 08:38:34 UTC 2016


On Thu, Apr 7, 2016 at 4:20 PM, FrancisM <francis at mytechrepublic.com> wrote:

>
>
> On Thu, Apr 7, 2016 at 1:51 PM, FrancisM <francis at mytechrepublic.com>
> wrote:
>
>>
>>
>> On Thu, Apr 7, 2016 at 1:26 PM, Subscriber <ml-lists at agoris.net.ua>
>> wrote:
>>
>>> Hello FrancisM,
>>>
>>> Thursday, April 7, 2016, 8:03:38 AM, you wrote:
>>>
>>>
>>> > I tried last night and it seems like the vlans that I created is
>>> failing to
>>> > bring-up. So this is what Im doing
>>>
>>> > in my DATA trunk port at my HomeLab Im doing this
>>>
>>> > 2 port configured for teaming1 (set as link only port) -> Create Bridge
>>> > (br0 port) on top of the teaming1 -> create slave vlan10,20,30,40 and
>>> the
>>> > parent is br0. Am I doing this correctly? Thanks
>>>
>>> not exactly.
>>>
>>> nmcli connection add con-name br10 ifname br10 type bridge stp no
>>> nmcli connection down br10
>>> nmcli connection edit br10
>>> set ipv4.method disabled
>>> set ipv6.method ignore
>>> save
>>> quit
>>> nmcli connection up br10
>>>
>>> nmcli  connection  add  con-name  vlan10  ifname  vlan10 type vlan dev
>>> teaming1 id 10
>>> nmcli connection down vlan10
>>> nmcli connection edit vlan10
>>> set connection.master br10
>>> set connection.slave-type bridge
>>> verify fix
>>> save
>>> exit
>>> nmcli connection up vlan10
>>>
>>> similarly for br20+vlan20, br30+vlan30, br40+vlan40
>>>
>>> _______________________________________________
>>> CentOS mailing list
>>> CentOS at centos.org
>>> https://lists.centos.org/mailman/listinfo/centos
>>>
>>
>> Thanks for providing the command I will definitely try this method.
>>
>>
> Hi,
>
> 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.
>
> [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
>

Thanks all I already figure it out its due to the

*ipv4.method link-only* it shoud be *ipv4.method disabled*

in my teaming1 configuration



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