Advisories & Notices

May 11, 2026

CloudEOS uses the Azure Instance Metadata Service (IMDS) to validate the authenticity of the instance in order to generate licensing for specific features including IPsec. The IMDS service uses a certificate chain provided in the Microsoft PKI repository. Every other year Microsoft issues new certificates that must be added to the CloudEOS certificate trust database. If these certificates are not updated in CloudEOS then the instance will not be able to successfully validate the instance which causes the license to expire. As a result, all IPsec tunnels will become disabled and bandwidth will be throttled to 80 Mbps until licensing is restored.

May 5, 2026

Changes to the Access Point Auto Upgrade Default Option in CV-CUE

This field notice is to inform of a change in the default value of the SYSTEM → Advanced Settings → Allow Arista to Upgrade Access Points → Enable checkbox on CV-CUE.

May 4, 2026

In extremely rare cases, the Streaming Agent (TerminAttr) running on an EOS device can fail to deliver an update to CloudVision as-a-Service. This can potentially cause provisioning actions to fail and have to be retried. Customers are advised to upgrade the Streaming Agent to a version with the fix.

March 11, 2026

This Field Notice is to inform customers and partners that the CV-CUE release process will change for releases following version 21.2.0F.

February 3, 2026

This notice serves to inform you that the Inter AP Coordination (IAPC) using the ‘This Server’ option (Configure > WiFi > “Selected SSID” > Network > Inter AP Coordination) will be deprecated from July 2026.

February 3, 2026

This notice serves to inform you that the Probed SSID feature on CV-CUE will be deprecated from July 2026.

January 8, 2026

Customers utilizing DCS-7010TX-48C are advised not to upgrade to releases preceding 4.33.2F due to a critical software bug.  This bug manifests upon upgrade, resulting in the system going into an unrecoverable state and necessitating a hardware replacement. 

January 7, 2026

In the event of a dirty shutdown, the system performs a scan of the storage volume to verify the integrity of the data. In some cases this process may exceed the predefined threshold of two minutes and the device may fail to boot.

December 10, 2025

Due to temporary supply chain constraints the above line cards are currently unavailable to order. Arista will continue to monitor the situation and will update this notice accordingly.

December 2nd, 2025

On upgrading on-prem CloudVision clusters to 2025.3.0 software release, due to a bug in the software, the users created via external authentication and authorization servers such as TACACS, LDAP or RADIUS may be unable to login.