[PVE-User] [Extern] - Re: Mapping of VLAN tags to Linux bridges: Is that possible?

[Stefan Radman]

> Where is the VLAN tag in your example? Is it encapsulated in the bond name "bond0.90' being for VLAN 90?

Yes, correct.

The number behind the dot indicates the VLAN tag to be added before sending a frame to the bond0 interface.
I use the same approach and typically have bond0 (without tag) attached to vmbr0. That keeps the cluster management traffic untagged (trunk native VLAN).

Stefan

Sent from my fingertips

> On 22.07.2024, at 21:50, Frank Thommen <f.thommen at dkfz-heidelberg.de> wrote:
> 
> Hi Bastian,
> 
> maybe I am missing the point: Where is the VLAN tag in your example? Is it encapsulated in the bond name "bond0.90' being for VLAN 90?
> 
> Frank
> 
> 
>> On 22.07.24 21:18, Bastian Sebode via pve-user wrote:
>> Hello Frank,
>> you can achieve that with normal Linux networking already, without the need of SDN.
>> Over the Network Tab of the Hosts GUI (interface names are examples):
>> - Create the Bond/LAG/Port Channel/Trunk on the switch, put the needed VLANs tagged on it
>> - Create a "Linux Bond" `bond0` with the host interfaces `ens18 ens19`, preferably with LACP on Host and Switch. No IP address necessary
>> - Create a "Linux VLAN" `bond0.90` with the "vlan raw device" `bond0`. No IP address necessary
>> - Create a "Linux Bridge" `vmbr90` with the slave interface `bond0.90`. No IP address necessary, only if you want to manage the server over it
>> - Attach the VMs to the VLAN bridge
>> - Repeat for every VLAN you need
>> There is also the possibility to have the VLAN Tags on the Linux bridge, but I would always prefer the mentioned above.
>> Hope this helps and others can confirm that the are using such a setup.
>> Peace
>> Bastian
> 
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