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Ports in breakout mode on switch are not coming online after RCF update

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Applies to

  • Cisco Nexus 3132Q-V cluster switches with NX-OS 7.0(3)I7(9).
  • NetApp FAS8200 cluster port e0a/e0b
  • ONTAP 9.11.1P15
  • Upgrading  breakout RCF file from v1.1 to v1.13

Issue

  • After upgrading the RCF file from v1.1 to v1.13, the breakout cables connected to ports 1/1/1 and 1/1/2 are not recognized by the switch.

show interface status 

--------------------------------------------------------------------------------

Port      Name           Status      Vlan  Duplex  Speed   Type

--------------------------------------------------------------------------------

Eth1/1/1  CL-1Cluster/HA10  xcvrAbsent trunk auto auto   --

Eth1/1/2  CL-1Cluster/HA10  xcvrAbsent trunk auto auto   --

Eth1/1/3  CL-1Cluster/HA10  xcvrAbsent trunk auto auto   --

Eth1/1/4  CL-1Cluster/HA10  xcvrAbsent trunk auto auto   --

Eth1/2/1  CL-1Cluster/HA10  connected trunk full 10G QSFP40G-4SFP10G-CU5M

Eth1/2/2  CL-1Cluster/HA10  connected trunk full 10G QSFP40G-4SFP10G-CU5M

Eth1/2/3  CL-1Cluster/HA10  notconnect trunk auto auto QSFP40G-4SFP10G-CU5M

Eth1/2/4  CL-1Cluster/HA10  notconnect trunk auto auto QSFP40G-4SFP10G-CU5M

  • Cluster ports e0a and e0b of node-03 are connected to port 1/1/2, and those of node-04 are connected to port 1/1/1, on the same two cluster switches.

Cluster::*> network device-discovery show -protocol cdp
Node/       Local  Discovered
Protocol    Port   Device (LLDP: ChassisID)  Interface         Platform
----------- ------ ------------------------- ---------------- ----------------
node-03/cdp
            e0a    switch-02(FOXXXXXXX3M)
                      Ethernet1/1/2     N3K-C3132Q-V
            e0b    switch-01(FOXXXXXXX3W)
               Ethernet1/1/2     N3K-C3132Q-V
node-04/cdp
            e0a    switch-02(FOXXXXXXX3M)
                             Ethernet1/1/1     N3K-C3132Q-V
            e0b    switch-01(FOXXXXXXX3W)
                      Ethernet1/1/1     N3K-C3132Q-V

  • No hardware errors are reported.
  • hardware profile front port mode sfp-plus is executed after apply RCF, but port doesn’t up.
  • The ports configured in the same breakout mode port 1/3/1 and 1/3/2 can link up.

 

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