pve-network.adoc: vlan - remove fixe markup for numbered list, cleanups

[pve-docs.git] / pve-network.adoc

diff --git a/pve-network.adoc b/pve-network.adoc
index 243ab88ad58349907d3562df5e0bd25c184f2c26..198f2d1681b4888a6d4a81bb76a37e6ba6b3aeb9 100644 (file)
--- a/pve-network.adoc
+++ b/pve-network.adoc
@@ -348,29 +348,27 @@ iface vmbr0 inet static
 VLAN 802.1Q
 ~~~~~~~~~~~
 
 VLAN 802.1Q
 ~~~~~~~~~~~
 

-A virtual LAN (VLAN) is a broadcast domain that is partitioned
-and isolated in the network at layer 2.
-So it is possible to have multiple networks (4096) in a physical network,
-each independent of the other ones.
+A virtual LAN (VLAN) is a broadcast domain that is partitioned and
+isolated in the network at layer two.  So it is possible to have
+multiple networks (4096) in a physical network, each independent of
+the other ones.
+

 Each VLAN network is identified by a number often called 'tag'.
 Each VLAN network is identified by a number often called 'tag'.

-Network packages are then 'tagged' to identify which virtual
-network they belong to.
+Network packages are then 'tagged' to identify which virtual network
+they belong to.

 
 

-One or more VLANs can be used at any network device (NIC, Bond, Bridge).
-VLANs can be configured in several ways. Here, only the most common ones get
-described. We assume a network infrastructure based on Linux Kernel Networking
-(opposed to, e.g., Open vSwitch).
-Of course, there are scenarios that are not possible with this configuration,
-but it will work for most standard setups.

 
 

-Two of the most common and popular usage scenarios are:
+VLAN for Guest Networks
+^^^^^^^^^^^^^^^^^^^^^^^

 
 

-1.) VLAN for the guest networks.
-Proxmox supports three different ways of using VLAN in guests:
+{pve} supports this setup out of the box. You can specify the VLAN tag
+when you create a VM. The VLAN tag is part of the guest network
+confinuration. The networking layer supports differnet modes to
+implement VLANs, depending on the bridge configuration:

 
 

-* *VLAN awareness on the Linux Bridge:*
+* *VLAN awareness on the Linux bridge:*

 In this case, each guest's virtual network card is assigned to a VLAN tag,
 In this case, each guest's virtual network card is assigned to a VLAN tag,

-which is transparently supported by the Linux Bridge.
+which is transparently supported by the Linux bridge.

 Trunk mode is also possible, but that makes the configuration
 in the guest necessary.
 
 Trunk mode is also possible, but that makes the configuration
 in the guest necessary.
 


@@ -380,14 +378,22 @@ and creates a VLAN device with associated bridge for each VLAN.
 That is, if e.g. in our default network, a guest VLAN 5 is used
 to create eno1.5 and vmbr0v5, which remains until rebooting.
 
 That is, if e.g. in our default network, a guest VLAN 5 is used
 to create eno1.5 and vmbr0v5, which remains until rebooting.
 

-* *Guest configured:* The VLANs are assigned in the guest.
-In this case, the setup is in the guest and can not be influenced from the
-outside.
-The benefit is more then one VLAN on a single virtual NIC can be used.
+* *Open vSwitch VLAN:*
+This mode uses the OVS VLAN feature.
+
+* *Guest configured VLAN:* 
+VLANs are assigned inside the guest. In this case, the setup is
+completely done inside the guest and can not be influenced from the
+outside. The benefit is that you can use more than one VLAN on a
+single virtual NIC.
+
+
+VLAN on the Host
+^^^^^^^^^^^^^^^^

 
 

-2.) VLAN on the host, to allow the host communication whit an isolated network.
-As already mentioned, it is possible to apply the VLAN to all network devices.
-In general, you should configure the VLAN on the interface with the least
+To allow host communication with an isolated network. It is possible
+to apply VLAN tags to any network device (NIC, Bond, Bridge). In
+general, you should configure the VLAN on the interface with the least

 abstraction layers between itself and the physical NIC.
 
 For example, in a default configuration where you want to place
 abstraction layers between itself and the physical NIC.
 
 For example, in a default configuration where you want to place