Release Notes for Cisco Intersight Managed Mode Infrastructure Firmware, Release 6.0

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Updated:: March 27, 2026

Chapter: Known issues

Known issues
Known issues in Release 6.0(1.260006) — None
Known issues in Release 6.0(2.260045)
Known issues in Release 6.0(1.260003) — None

Known issues

Known issues in Release 6.0(1.260006) — None

Known issues in Release 6.0(2.260045)

This section provides a brief description of the known issues.


Defect ID	Description	Workaround	First Version Affected
CSCwr50750	On Cisco UCS Fabric Interconnects Series 6600, 6500, 6400, and X-Series Direct Fabric Interconnects, when the management interface is configured with IPv6, a syslog message is displayed if the device receives a Router Advertisement (RA) packet containing an ICMPv6 MTU option greater than 1500 bytes. This message indicates an MTU mismatch but does not impact functionality.	No workaround is required; the syslog message can be safely ignored.	6.0(1.250223)

Known issues in Release 6.0(1.260003) — None

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