[ovirt-users] mode 4 bonding for VMs with NetworkManager anyone?

[Donny Davis]

Just use the UI to manage your network interfaces.

On Wed, Sep 13, 2017 at 6:23 AM, Gianluca Cecchi <gianluca.cecchi at gmail.com>
wrote:

> Hello,
> I'm testing ovirt node, both 4.1.5 and 4.1.6rc2.
> I see that in both versions the network stack is configured with
> NetworkManager enabled.
>
> With plain CentOS I always disabled NetworkManager and only used classical
> network service alone, so I have not background with NM, related to
> hypervisor.
>
> I have configured a vlan (untagged) for VMs, using bonding mode=4
> (802.3ad).
>
> I have some problems with my VMs: they are reachable from some parts and
> not from others.
>
> In parallel I have already asked network guys to crosscheck network
> configurations of the datacenter, but I would like to have confirmation
> that other ones are already using with success the combination of:
>
> - NetworkManager on hypervisor
> - bonding mode = 4 for VMs traffic
>
> Another question for another aspect I never understood: with an
> environment in the past (before 3.5 times if I remember well) I used
> 802.3ad but I had to set lacp_rate=1 (fast) because I had connection
> problems with the default lacp_rate=0 (slow) parameter.
> I see that still the default is lacp_rate=0
> Could it be the same this time? Is there any reason to set default
> lacp_rate=0 in oVirt (or the reverse... ;-)?
>
> Thanks in advance,
> Gianluca
>
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