[one-users] Multiple VLAN and Bridge

Amier Anis mymabma at gmail.com
Tue Sep 16 05:12:03 PDT 2014


thanks stefan. i will give a try. I will let you know if i need further
help.


On Tue, Sep 16, 2014 at 6:17 PM, Stefan Kooman <stefan at bit.nl> wrote:

> Hi,
>
> Quoting Amier Anis (mymabma at gmail.com):
> > Dear Stefan,
> >
> > It's great ... yes I would like you to share here. I hv tried before but
> no
> > luck.
> > My server have at least 2 physical nic. 1 is management and another one
> is
> > storage.
>
> I use this little script to setup networking on our hosts (openvswitch
> should already be installed and running):
>
> #!/bin/sh
> echo "adding bridges"
> ovs-vsctl add-br storage
> ovs-vsctl add-br uplink
> ovs-vsctl add-br mgmt-migr
>
> echo "adding bonds"
> ovs-vsctl add-bond storage bond0 eth0 eth5 bond_mode=balance-tcp
> lacp=active other_config:lacp-time=fast trunks=list-of-vlan-ids-here
> ovs-vsctl add-bond uplink bond1 eth1 eth4 bond_mode=balance-tcp
> lacp=active other_config:lacp-time=fast trunks=list-of-vlan-ids-here
> ovs-vsctl add-bond mgmt-migr bond2 eth2 eth3 bond_mode=balance-tcp
> lacp=active other_config:lacp-time=fast trunks=list-of-vlan-ids-here
>
> We have all vlans "tagged/trunked" on the port(s)(channels). In order to
> have vlan interface(s) on the hypervisor itself we create some
> openvswitch "internal" ports:
>
> echo "adding vlans"
> ovs-vsctl add-port storage vlanVID tag=VID -- set interface vlanID
> type=internal
> ovs-vsctl add-port mgmt-migr vlanVID tag=VID -- set interface vlanVID
> type=internal
> ovs-vsctl add-port mgmt-migr vlanVID tag=VID -- set interface vlanVID
> type=internal
>
> That way we can configure networking for hypervisor management,
> vm-migration and storage (nfs) on the hypervisors themselves. It will
> just show up as a regular interface (ip list).
>
> If you don't want / can't make portchannels (bonds/trunkports/teams,
> whatever you want to call them: 802.3ad) you can add ports to bridges
> like this:
>
> ovs-vsctl add-br bridge-name
>
> At this point you got two options. Create a trunk port (tag all vlans:
> 802.1Q), or provide a list of vlans. If you define a "trunk port" you
> don't have to add newly created vlans on the openvswitch port if you add
> new vlans on the physical switch port.
>
> trunk port:
> ovs-vsctl add-port eth0 bridge-name vlan_mode=trunk
>
> or
>
> Explicitly specify vlans:
> ovs-vsctl add-port eth0 bridge-name trunks=vlan_id1,vlan_id2
>
> In /etc/network/interfaces (if using Ubuntu/Debian) you have to make
> sure the physical devices are marked up/down:
>
> auto eth0
> iface eth0 inet manual
>       pre-up ip link set $IFACE up
>       post-down ip link set $IFACE down
>
> auto eth1
> iface eth1 inet manual
>       pre-up ip link set $IFACE up
>       post-down ip link set $IFACE down
>
> ...
> for every interface you want to add to openvswitch
> ...
>
> And of course configure networking for the vlan (internal)
> interface(s).
>
> ovs-vsctl show should give you a nice overview of what has been
> configured.
>
> Just add the openvswitch bridge(s) to OpenNebula and off you go.
>
> Let me know if I can be of any further assistance.
>
> Gr. Stefan
>
>
> --
> | BIT BV  http://www.bit.nl/        Kamer van Koophandel 09090351
> | GPG: 0xD14839C6                   +31 318 648 688 / info at bit.nl
>
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