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    <title>Arista Networks :: Field Notices</title>
		<description><![CDATA[Arista Networks :: Field Notices]]></description>
		<link>https://www.arista.com/zh/support/advisories-notices/field-notice</link>
		<lastBuildDate>Sun, 23 Aug 2026 07:06:55 +0000</lastBuildDate>
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		<copyright>© 2026 Arista Networks, Inc. All rights reserved.</copyright>
		<managingEditor>webadmin@arista.com (Web Admin)</managingEditor>
		<item>
			<title>Field Notice 0135</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24501-field-notice-0135</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24501-field-notice-0135</guid>
			<description><![CDATA[
 
Date: August 19, 2026



Revision
Date
Changes


1.0
August 19, 2026
Initial version



Field Notice:
Kernel panics observed in C-200 APs on firmware version 21.4.0M-12
Subject:
C-200 Access Points on 21.4.0M-12 firmware version experiencing kernel panics and a few are entering fail safe mode.
Purpose:
This notice serves to inform you that C-200 Access Points on firmware version 21.4.0M-12 have been found to experience recurrent system restarts.
This build has hence bee ...]]></description>
			<category>Field Notices</category>
			<pubDate>Wed, 19 Aug 2026 18:41:24 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0134</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24450-field-notice-0134</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24450-field-notice-0134</guid>
			<description><![CDATA[
Date: August 18, 2026



Revision
Date
Changes


1.0
August 18, 2026
Initial version



Category
Software
Description
This field notice is regarding deprecation of EOS SWAG “rpr” redundancy mode. This is being replaced by “sso” redundancy mode.
 
Affected Releases
EOS Releases: 4.35.1F and subsequent releases
Affected Platforms and Releases

CCS-720XP-48TXH-2C-S-F 
CCS-720XP-96ZC2-M-S-F 
CCS-720DP-48ZS-2F 
CCS-720DF-48Y-M-S 
CCS-720DF-48Y-DC 
CCS-720DP-24ZS-2F 
CC ...]]></description>
			<category>Field Notices</category>
			<pubDate>Thu, 13 Aug 2026 19:58:02 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0133</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24406-field-notice-0133</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24406-field-notice-0133</guid>
			<description><![CDATA[
Date: August 6, 2026



Revision
Date
Changes


1.0
August 6, 2026
Initial release



Category:
Software
Problem Summary:
Under rare circumstances, a CloudVision cluster may replay CLI commands to devices. This can happen without user intervention and may result in unintended changes to network devices. Three specific conditions are required for this to occur, as detailed below.
Affected software releases:

CloudVision Portal 2021.2.2 and earlier
CloudVision Portal 2021.3 ...]]></description>
			<category>Field Notices</category>
			<pubDate>Thu, 06 Aug 2026 23:03:42 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0132</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24363-field-notice-0132</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24363-field-notice-0132</guid>
			<description><![CDATA[
Date: July 21, 2026



Revision
Date
Changes


1.0
July 21, 2026
Initial version



 
Category
Software
Description
This field notice is for customers running CloudEOS instances in Microsoft Azure. 
Microsoft has recently introduced a new type of networking infrastructure called Microsoft Azure Network Adapter (MANA) and is looking to transition customers to it beginning August 1, 2026. Customers can defer this transition until May 31, 2027 by opting out. 
Arista recommend ...]]></description>
			<category>Field Notices</category>
			<pubDate>Tue, 21 Jul 2026 22:50:29 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0131</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24139-field-notice-0131</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24139-field-notice-0131</guid>
			<description><![CDATA[
July 2, 2026
Field Notice:
Frequent reboots observed in C-460 Access Points on firmware versions 21.3.0M-8 &amp;amp; 21.3.0M-9
Subject:
C-460 Access Points on 21.3.0M-8 &amp;amp; 21.3.0M-9 firmware version rebooting frequently
Purpose:
This notice serves to inform you that C-460 Access Points on firmware versions 21.3.0M-8 &amp;amp; 21.3.0M-9 experience recurrent system restarts resulting from a beacon loss condition.
These two builds have hence been removed from the list of available b ...]]></description>
			<category>Field Notices</category>
			<pubDate>Thu, 02 Jul 2026 15:09:19 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0130</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24110-field-notice-0130</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24110-field-notice-0130</guid>
			<description><![CDATA[
Date: June 18, 2026



Revision
Date
Changes


1.0
June 18, 2026
Initial release



 
Category: Software
Notification about Intel Wi-Fi 7 BE201 Windows client roaming failures
Summary
Windows clients with Intel BE201 Wi-Fi 7 wireless adapter fail to roam across Wi-Fi 7 APs under certain conditions.
Problem Description
Windows clients using the Intel Wi-Fi 7 BE201 wireless adapter sometimes fail to roam across Wi-Fi 7 APs under the following conditions:

MLO is enabled
T ...]]></description>
			<category>Field Notices</category>
			<pubDate>Thu, 18 Jun 2026 15:02:36 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0129</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24107-field-notice-0129</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24107-field-notice-0129</guid>
			<description><![CDATA[
June 16, 2026



Revision
Date
Changes


1.0
June 16, 2026
Initial release



Field Notice:
Transmission failures and throughput issues in AP firmware version 21.1.0F-81
Subject:
Access Points on firmware version 21.1.0F-81 facing transmission failures and clients experiencing throughput issues.
Purpose:
This notice serves to inform you of about the roll back of AP firmware version 21.1.0F-81. This build was removed as the below-mentioned issues were reported in some deploy ...]]></description>
			<category>Field Notices</category>
			<pubDate>Mon, 15 Jun 2026 05:38:35 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0128</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24021-field-notice-0128</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24021-field-notice-0128</guid>
			<description><![CDATA[
 
Date: May 11, 2026



Revision
Date
Changes


1.0
May 11, 2026
Initial release


1.1
June 1, 2026
Updated steps to include certificate removal and conditional system reboot.



 
 
Category: Software
Notification regarding license retrieval failure with CloudEOS Pay-As-You-Go instances in Microsoft Azure.
Description:
CloudEOS uses the Azure Instance Metadata Service (IMDS) to validate the authenticity of the instance in order to generate licensing for specific feat ...]]></description>
			<category>Field Notices</category>
			<pubDate>Mon, 11 May 2026 19:52:58 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0127</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24016-field-notice-0127</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24016-field-notice-0127</guid>
			<description><![CDATA[
Date: May 5, 2026
Field Notice: Changes to the Access Point Auto Upgrade Default Option in CV-CUE
 
Subject:
Default Option Change in the Access Point Auto Upgrade Feature in CV-CUE
Purpose: 
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.
An email notification sent to customers on 20th April 2026 mentioned that the checkbox will be enabled by default. Based on field ex ...]]></description>
			<category>Field Notices</category>
			<pubDate>Tue, 05 May 2026 15:18:52 +0000</pubDate>
		</item>
		<item>
			<title>Field Notice 0126</title>
			<link>https://www.arista.com/zh/support/advisories-notices/field-notice/24003-field-notice-0126</link>
			<guid isPermaLink="true">https://www.arista.com/zh/support/advisories-notices/field-notice/24003-field-notice-0126</guid>
			<description><![CDATA[
Date: May 4, 2026



Revision
Date
Changes


1.0
May 4, 2026
Initial release



Category: Software
Problem Summary:
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.
Affected software releases:
Streaming Agent (TerminAttr) v1.4 ...]]></description>
			<category>Field Notices</category>
			<pubDate>Fri, 01 May 2026 21:18:41 +0000</pubDate>
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