From: Alexandre Derumier <aderum...@odiso.com>
We want to notify guest of the change, so it can resubmit dhcp request,
or send gratuitous arp,...
Signed-off-by: Alexandre Derumier <aderum...@odiso.com>
---
PVE/QemuServer.pm | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 5e158b3..e87df9d 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -5309,6 +5309,12 @@ sub vmconfig_update_net {
safe_num_ne($oldnet->{firewall}, $newnet->{firewall})) {
PVE::Network::tap_unplug($iface);
+ #set link_down in guest if bridge or vlan change to notify
guest (dhcp renew for example)
+ if (safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
+ safe_num_ne($oldnet->{tag}, $newnet->{tag})) {
+ qemu_set_link_status($vmid, $opt, 0);
+ }
+
if (safe_string_ne($oldnet->{bridge}, $newnet->{bridge})) {
if ($have_sdn) {
PVE::Network::SDN::Vnets::del_ips_from_mac($oldnet->{bridge},
$oldnet->{macaddr}, $conf->{name});
@@ -5321,6 +5327,13 @@ sub vmconfig_update_net {
} else {
PVE::Network::tap_plug($iface, $newnet->{bridge},
$newnet->{tag}, $newnet->{firewall}, $newnet->{trunks}, $newnet->{rate});
}
+
+ #set link_up in guest if bridge or vlan change to notify guest
(dhcp renew for example)
+ if (safe_string_ne($oldnet->{bridge}, $newnet->{bridge}) ||
+ safe_num_ne($oldnet->{tag}, $newnet->{tag})) {
+ qemu_set_link_status($vmid, $opt, 1);
+ }
+
} elsif (safe_num_ne($oldnet->{rate}, $newnet->{rate})) {
# Rate can be applied on its own but any change above needs to
# include the rate in tap_plug since OVS resets everything.
--
2.39.2
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