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overview about which interface is connected to which bridge, run the command brctl
show. The output may look like the following:
# brctl show
bridge name
br0
br1
br2
In this example, there are three bridges configured: br0, br1 and br2. Currently, br0 and
br1 each have a real ethernet device added: eth0 and eth1 respectively. There is one
VM Guest running with the id 2 that has two ethernet devices available. eth0 on the
VM Guest is bridged with eth1 on the VM Host Server and eth1 on the VM Guest is
connected to eth0 on the VM Host Server. At this time, the third bridge with name br2
is not connected to any VM Guest nor real ethernet device.
5.3 Special Configurations
There are many network configuration possibilities available to Xen. Most of these are
directly configurable with YaST. These include:
• Setting up a masqueraded network with YaST Security and Users > Firewall.
• Creating bonded network interfaces or setup static routes with YaST Network De-
vices > Network Settings
5.3.1 Bandwidth Throtteling in Virtual
With Xen, you may limit the network transfer rate a virtual guest may use to access a
bridge. This configuration option is not available from a graphical user interface at this
time. To configure this, you will have to modify the VM Guest configuration as described
in
Section 4.3, "Configuring a Virtual Machine by Modifying its xend Settings"
(page 33).
42
Virtualization with Xen
bridge id
8000.001cc0309083
8000.000476f060cc
8000.000000000000
Networks
STP enabled
interfaces
no
eth0
vif2.1
no
eth1
vif2.0
no
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