From b600cdd135a6af42d1ed81bd96b6a61d753fe954 Mon Sep 17 00:00:00 2001 From: JoeAldinger Date: Tue, 16 Sep 2025 15:03:00 -0400 Subject: [PATCH] OSDOCS-161612:adds Layer2 EIP limitations for UDN --- modules/nw-udn-limitations.adoc | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/modules/nw-udn-limitations.adoc b/modules/nw-udn-limitations.adoc index dbc27cc9b275..98359a4bc12e 100644 --- a/modules/nw-udn-limitations.adoc +++ b/modules/nw-udn-limitations.adoc @@ -28,4 +28,12 @@ While user-defined networks (UDN) offer highly customizable network configuratio * *Connectivity limitation*: NodePort services on user-defined networks are not guaranteed isolation. For example, NodePort traffic from a pod to a service on the same node is not accessible, whereas traffic from a pod on a different node succeeds. -* *Unclear error message for IP address exhaustion*: When the subnet of a user-defined network runs out of available IP addresses, new pods fail to start. When this occurs, the following error is returned: `Warning: Failed to create pod sandbox`. This error message does not clearly specify that IP depletion is the cause. To confirm the issue, you can check the *Events* page in the pod's namespace on the {product-title} web console, where an explicit message about subnet exhaustion is reported. \ No newline at end of file +* *Unclear error message for IP address exhaustion*: When the subnet of a user-defined network runs out of available IP addresses, new pods fail to start. When this occurs, the following error is returned: `Warning: Failed to create pod sandbox`. This error message does not clearly specify that IP depletion is the cause. To confirm the issue, you can check the *Events* page in the pod's namespace on the {product-title} web console, where an explicit message about subnet exhaustion is reported. + +* *Layer2 egress IP limitations*: + +** Egress IP does not work without a default gateway. + +** Egress IP does not work on Google Cloud Platform (GCP). + +** Egress IP does not work with multiple gateways and instead will forward all traffic to a single gateway. \ No newline at end of file