[pve-devel] kernel 3.10 : bridge vlan test

Stefan Priebe s.priebe at profihost.ag
Fri Dec 13 19:28:11 CET 2013


Hi,

as i'm using 3.10 since it was released for proxmox here are at least 
two important things i discovered.

1.) To get VLANs and Bridging working at all you need this patch:
http://www.spinics.net/lists/netdev/msg258159.html

(will be upstream with next 3.10.25)

2.) never have the idea to enable:
CONFIG_NUMA_BALANCING

it's a great feature but to me this resulted in random kvm crashed and 
random corosync crashes

3.) never enable intel_iommu by default - there are a lot of boards and 
bioses whee this results in random crashes

Greets,
Stefan
Am 13.12.2013 17:05, schrieb Alexandre DERUMIER:
>>> Isnt't that expected, because they are in different VLANs?
>
> Oh, sorry, forget to say : both was in same vlan when it doesn't ping.
>
> Also, if I don't configure any vlan, and enable filtering, it doesn't work.
>
> Maybe it doesn't work with tap interfaces ?  Need to ask to the kernel mailing.
>
>
>
> ----- Mail original -----
>
> De: "Dietmar Maurer" <dietmar at proxmox.com>
> À: "Alexandre DERUMIER" <aderumier at odiso.com>, "pve-devel" <pve-devel at pve.proxmox.com>
> Envoyé: Vendredi 13 Décembre 2013 16:48:11
> Objet: RE: [pve-devel] kernel 3.10 : bridge vlan test
>
>> Ok,we need to enable filtering with
>>
>> echo 1 > /sys/class/net/vmbrX/bridge/vlan_filtering
>>
>>
>> But now, both vm doesn't ping together...
>
> Isnt't that expected, because they are in different VLANs?
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