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docs: add info about <portOptions isolated='yes'/> to news file

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Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Laine Stump 2020-02-16 22:54:45 -05:00
parent ef8de28cb0
commit c312c8998c
1 changed files with 21 additions and 0 deletions
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docs/news.xml
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@ -82,6 +82,27 @@
"type" and "persistent" attributes.
</description>
</change>
<change>
<summary>
support BR_ISOLATED flag for guest interfaces attached to a Linux host bridge
</summary>
<description>
Since Linux kernel 4.18, the Linux host bridge has had a
flag BR_ISOLATED that can be applied to individual
ports. When this flag is set for a port, traffic is blocked
between that port and any other port that also has the
BR_ISOLATED flag set. libvirt domain interface config now
supports setting this flag via the &lt;port
isolated='yes'/&gt; setting. It can also be set for all
connections to a particular libvirt network by setting the
same option in the network config - since the port for the
host itself does not have BR_ISOLATED set, the guests can
communicate with the host and the outside world, but guests
on that network can't communicate with each other. This
feature works for QEMU and LXC guests with interfaces
attached to a Linux host bridge.
</description>
</change>
<change>
<summary>
qemu: Introduce the 'armvtimer' timer type