Switch Engine™ v34.1.1 Release Notes
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Security Information
> Linux Kernel
November 01, 2026
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Abstract
Preface
Text Conventions
Documentation and Training
Help and Support
Extreme Support Portal
Create an End Customer Extreme Support Portal Account
Create a Partner Extreme Support Portal Account
Send Feedback
Overview
Security Information
Linux Kernel
OpenSSL Version
Upgrading Switch Engine
Newly Purchased Switches Require Software Upgrade
Default Settings
Switch Engine Image File Names
New and Corrected Features
AVB Support on 5320-16P-2MXT-2X
Debug Data Local Staging and SCP Transfer Support
EAPS Flush Method Configuration
Improved OSPF Scale on 5520, 5720, 7520, and 7720 Series Switches
IPv6 First-Hop Security
IPv6 Prefixes Exceeding 64 Bits
Fabric Attach Client Auto-Enable Authentication on Uplinks
Fabric Attach Clients That Fail Authentication Visibility
Fabric Attach Zero-Touch Client: Bypass NetLogin Authentication
Fan Speed Display on Silent-Mode Platforms
FEC Statistics Detailed Display
FIPS Compliance: Microsoft Golang for OpenSSL Support
Flood Rate-Limit Bandwidth Mode
Hybrid PQC Support in RADIUS TLS and Syslog TLS
MAC Locking Last Violating MAC Address Clear
Network Zones in ACL Policy Rules
OpenLDAP Upgrade to 2.6.12
NetLogin Client IP Tracking for RADIUS Framed-IP-Address
Power Supply Failure Alert Severity Change
PQC Algorithms in OpenSSH
SNMP Interface Pause Frame Counters
SNMPv3 User Authentication with SHA-2
Transparent Clock Support on 5120 Series
Update Time-Zone Information for UTC Changes in Alberta and British Columbia
Updates to Avoid NTP Epocalypse - Y2036 Overflow
Updates to Avoid Epocalypse - Y2038 Overflow
Changing the Network Operating System
ExtremeCloud IQ Agent Support
Extreme Hardware/Software Compatibility and Recommendation Matrices
Compatibility with Extreme Management Center
Supported MIBs
Tested Third-Party Products
Extreme Switch Security Assessment
Limits
Limits Overview
Base License Limits
Premier License Limits
Notes for Limits Tables
Open Issues, Known Behaviors, and Resolved Issues
Open Issues
Known Behaviors
Resolved Issues in Switch Engine
Linux Kernel
Switch Engine 34.1.1 uses the following Linux Kernel versions by platform:
Linux Kernel 6.12:
4220, 5320, 5420, 5520, 5720, 7520, 7720, Virtual Machine, Digital Twin
Linux Kernel 5.10:
4120, 5120
