[PVE-User] Openvswicth conflict with network manager on host boot [was Multiple bridge on single physical interface]

Jean-mathieu CHANTREIN jean-mathieu.chantrein at univ-angers.fr
Fri Mar 30 10:27:47 CEST 2018


Hello.

It's old subject, but maybe it will be useful to someone or possibly to add to the documentation.

It is necessary to use the OVS packages of the debian testing version because they are compatible with systemd, which is not the case of the packages of the stable version(systemv).

Regards.

Jean-Mathieu


----- Mail original -----
> De: "Jean-Mathieu Chantrein" <jean-mathieu.chantrein at univ-angers.fr>
> À: "pve-user" <pve-user at pve.proxmox.com>
> Envoyé: Lundi 25 Septembre 2017 12:41:21
> Objet: Re: [PVE-User] Openvswicth conflict with network manager on host boot [was Multiple bridge on single physical
> interface]

> Hello.
> 
> ----- Mail original -----
>> De: "Yannis Milios" <yannis.milios at gmail.com>
>> À: "pve-user" <pve-user at pve.proxmox.com>
>> Envoyé: Jeudi 21 Septembre 2017 12:24:48
>> Objet: Re: [PVE-User] Multiple bridge on single physical interface
> 
>>>
>>> VM in subnetwork1(resp.2) on host1 must be communicate with VM in
>>> subnetwork1(resp.2) on host2 via just one single interface and my host must
>>> be not reacheable by subnetwork.
>>>
>>> How I can make this ?
>>>
>>>
>>>
>> Isolation at layer 2 can be achieved either by using 2 separate physical
>> network cards or by utilising VLANs.
>> I have done something similar by using openvswitch on pve. You can have a
>> look if you want:
>> 
>> https://pve.proxmox.com/wiki/Open_vSwitch
> 
> Thanks for you reply.
> 
> I was a little afraid to put my hands in openvswitch... I have tried and it's
> totally answer to my problematic. However, I think that there is a conflict
> between network-manager and openvswitch at the boot of host: Network manager
> fails with a timeout (5 minutes) to active interfaces and virtual bridges.
> 
> Once logged on host, I have to make this to active all interfaces:
> systemctl start networking.service # No time out anymore..., active all
> "regular" interface and "classic" bridge linux
> systemctl stop networking.service
> systemctl start networking.service # No time out again, active all interfaces!
> 
> I have install net-tools package (apparently ifconfig is need by OVS...) and I
> have enable openvswitch-switch.service with systemctl:
> systemctl enable openvswitch-switch.service
> 
> Is anyone ever encountering that?
> 
> Best regards.
> 
> Jean-Mathieu


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