@ij Answering from phone, so i might sound like an AI, but all typos are made by a human and Auto correction.
Take a Look at the MLAG documentation, it's not that bad. But it's just a simple setup with one client, so:
- you will have one dedicated MLAG ID for each client, so client a will use ID 10, client b will be ID 11, ...
- handle each client Bonding Interface as any other regular Interface, so same vlan or different ones. Same as regular Interfaces.
- use only one Bridge If you have only one Switch Chip. (You will have, it is a Feature of a real Switch. Seperate Interfaces by vlan.)
- transmit all vlan ids you have as tagged on the MLAG Peer Port, which could be a bonding Interface itself.
Rest should be fine from the documentation.