Symptom

See latest release notes: 6.1(2)I3(4b) - http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/6-x/release/notes/612I34b_nxos_rn.html#_ftnref2 7.0(3)I1(2) - http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/6-x/release/notes/70312_nxos_rn.html The following HW support information is available from the INSBU FAQ's but is not currently reflected in the release notes. Recommend adding it under 'limitations' or to create its own section if it gets too long. 40G Breakout Modes ============= Breakout mode and QSA are supported only in the standalone Nexus 9000 configurations shown in the table below: Nexus 9300 Breakout-Cable QSFP+ with QSA adaptor 40G --> 4x 10G 40G --> 10G (QSA) ====================================== N9K-C9396PX NA Supported* N9K-C9396TX NA Supported* N9K-C93128TX NA Supported* N9K-C9372PX NA Supported* N9K-C9372TX NA Supported* N9K-C9332PQ Supported Supported* *Notes + Only 10G can be supported using QSA on 40G Uplinks ports on N9300 in NX-OS. + 1G with QSA is not supported. + For Cisco Nexus 9332PQ switch all ports except 13-14 and 27-32 can support breakout + All ports in the QSA speed group must operate at the same speed (see configuration guide) Nexus 9500 Breakout Cable QSFP+ with QSA adaptor 40G --> 4x 10G 40G --> 10G (QSA) ==================================== N9K-X9564PX NA NA N9K-X9564TX NA NA N9K-X9464PX NA NA N9K-X9464TX NA NA N9K-X9432PQ NA NA N9K-X9436PQ Supported NA N9K-X9536PQ Supported NA

Conditions

Configuration guide describes the breakout mode and the QSA speed group.

Workaround

Further Problem Description