From cccb67e03c0a3ca73a96d0e9cefbe5ff906ca3b3 Mon Sep 17 00:00:00 2001 From: Abhishek Kumar Date: Mon, 15 Sep 2025 18:33:37 +0530 Subject: [PATCH] kvm,physical network: change in storage traffic behaviour Related: https://github.com/apache/cloudstack/issues/11634#issuecomment-3291359705 Signed-off-by: Abhishek Kumar --- source/installguide/configuration.rst | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/source/installguide/configuration.rst b/source/installguide/configuration.rst index c6ad982724..38cfcc7019 100644 --- a/source/installguide/configuration.rst +++ b/source/installguide/configuration.rst @@ -355,6 +355,20 @@ Basic Zone Configuration drag and drop traffic types onto the network. You can also change the network name if desired. + .. note:: + Starting with CloudStack version 4.21.0 and 4.20.2, the behavior of + VLAN and networking configuration for the storage traffic type in KVM + zones has changed. When a VLAN tag is specified for storage traffic, + a new vNet interface will be created on the storage bridge. If a + dedicated bridge is used for storage traffic, it is recommended not to + configure a VLAN tag for this traffic type. + + This change in behavior may require administrators to review their + existing configurations. For environments where a dedicated storage + bridge is used and the creation of an additional vNet interface is not + desired, the traffic type configuration must be updated to clear the + VLAN tag. + #. Assign a network traffic label to each traffic type on the physical network. These labels must match the labels you have already defined on the hypervisor host. To assign each label, click the Edit button