[PVE-User] Multiple bridge on single physical interface

Silvestre Figueroa silvestrefigueroa at gmail.com
Wed Sep 20 19:38:02 CEST 2017


2017-09-20 12:24 GMT-03:00 Jean-mathieu CHANTREIN <
jean-mathieu.chantrein at univ-angers.fr>:

> Hi Silvestre.
>
> Thanks for your reply.
>
> I don't want to make a bond, I want to use just one physical interface for
> traffic off at least 2 isolate subnetwork behind at least 2 virtual bridge.
>

my bad... I see slowly your mail and got the idea. But I think that the two
premises are excludents.

You want to do some but you don want to do this with proxmox rules lol
(joke tone)

my know-how about that is limited for my expirience... maybe somebody at
list can help better than me.

Anyway I hope that my entromision has been a good try for help :)



> It's perfectly work when I use just one virtual bridge on one physical
> interface. I just want to add another subnetwork to the virtual bridge or
> an another virtual bridge behind the same physical interface than the first
> virtual bridge.
>
> But, with your answers I have a doubt, can I have setup vlan on a virtual
> bridge ?
>



mmm actually I have not references to do it.. not from UI..
At /etc/network/interfaces config file you can specify some things like
this.
I dont known if the vlan option for vmbr (bridge) is compatible with
proxmox.. at UI this not appear as an option.




>
> Sorry for my english to.
>
> Regards.
>
> Jean-Mathieu
>
> ----- Mail original -----
> > De: "Silvestre Figueroa" <silvestrefigueroa at gmail.com>
> > À: "pve-user" <pve-user at pve.proxmox.com>
> > Envoyé: Mercredi 20 Septembre 2017 16:54:23
> > Objet: Re: [PVE-User] Multiple bridge on single physical interface
>
> > Hi Jean!
> >
> > 2017-09-20 11:37 GMT-03:00 Jean-mathieu CHANTREIN <
> > jean-mathieu.chantrein at univ-angers.fr>:
> >
> >> Hello.
> >>
> >> I try to make this:
> >>
> >> (1)
> >> <physical_interface0>-----<vmbr0>-----<subnetwork1>
> >> |
> >> |--------------------<vmbr1>-----<subnetwork2>
> >>
> >> But apparently, one physical interface can't have 2 virtual bridge. So I
> >> try this:
> >>
> >> (2)
> >> <physical_interface0>-----<vmbr0>-----<subnetwork1>
> >> |
> >> <virtual_interface_on_physical_interface0>----------
> >> ----------<vmbr1>-----<subnetwork2>
> >>
> >> But my virtual interface is not recognize, because I have to fixe an ip
> >> address to the virtual interface and I don't want make this trick.
> >>
> >> Globally, I want to make this:
> >>
> >> |-----<host1>
> >> | |-----<physical_interface0>-----<vmbr0>-----<subnetwork1>
> >> | |
> >> | |--------------------<vmbr1>-----<subnetwork2>
> >> |
> >> |-----<host2>
> >> | |-----<physical_interface0>-----<vmbr0>-----<subnetwork1>
> >> | |
> >> | |--------------------<vmbr1>-----<subnetwork2>
> >> |
> >> |-----<host...>
> >> ...
> >>
> >>
> >> 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 ?
> >>
> >
> >
> > if i understood correctly, you need to use single ethernet interface as a
> > trunk.
> >
> > If you have a L3 switch with vlans support, you can make a bond to eth
> > interface, then assign the bond to a single vmbr and use this vmbr in all
> > your vms.
> >
> > When configuring the VM network, you can specify different vlan tag to
> > separate the networks at server side.
> >
> > Then, at Switch side, you must to separate networks (vlans) using
> untagged
> > vlan ports.
> >
> > but this schemma is possible if you have vlans support at Switch.
> >
> > <hos1>vlan100  ----vmbr1----bond0-------eth1-----\
> > /----port_for_vlan100
> >
> > +----Switch------X
> > <host2>vlan200 ----vmbr1----bond0-------eth1-----/
> > /----port_for_vlan200
> >
> > Switch port for server uplink needs to be configured as trunk.
> >
> > Sorry for my english!
> >
> >
> >>
> >> I tryed to address my virtual_interface or enable proxy_arp on the
> >> physical interface but without success...
> >>
> >> If you have any idea...
> >>
> >> Best regards.
> >>
> >> Jean-Mathieu
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
> >> pve-user mailing list
> >> pve-user at pve.proxmox.com
> >> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> >>
> >
> >
> >
> > --
> > ING. SILVESTRE E. FIGUEROA
> > IT Consultant
> > Mobile: +542616462632
> > Skype: silvestrefigueroa
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>



-- 
ING. SILVESTRE E. FIGUEROA
IT Consultant
Mobile: +542616462632
Skype: silvestrefigueroa


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