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Cisco Bug: CSCvu96564 - All interfaces are down after upgrade of FXOS

Last Modified

Jul 17, 2020

Products (1)

  • Cisco Firepower 9300 Series

Known Affected Releases

2.9(1.66)

Description (partial)

Please contact TAC for workaround recovering procedure.

Symptom:
All the interfaces are in the abnormal state because the ethpm component is stuck.  The interfaces are in ErrDisable state or Link not connected in the "show interface brief" while the fxos prompt.

ful01-p5-ssp3ru-2(fx-os)# show system internal mts sup apps | inc Flex
        498     0       Flexlink SAP                                                                                       
ful01-p5-ssp3ru-2(fx-os)# show system internal mts buffer summary
node    sapno   recv_q  pers_q  npers_q log_q
sup     3148    3       0       0       0
sup     498     8805    0       0       0 <<<
sup     175     0       18      0       0
sup     28      0       1       0       0
sup     1009    0       0       1       0
sup     761     0       0       1       0
sup     2078    0       0       1       0

MTS messages are stuck in the Flexlink component MTS queue.

Flaps/ErrDisable/Errors for this port
[07/13/2020 14:16:40.102406]: Tmeout from SAP: MTS_SAP_FLEXLINK OPC: MTS_OPC_ETHPM_PORT_PHY_CLEANUP Seq_name: PHY_DN Errorcode:0x408c0008 Errorstr: SYSERR_FU_xx: 0x408c0008, err_num (8)
[07/13/2020 14:06:39.927114]: Error from SAP: MTS_SAP_FLEXLINK OPC: MTS_OPC_ETHPM_PORT_CTRL_UP Seq_name: PRE_LOGICAL_UP Errorcode:0x408c0008 Errorstr: SYSERR_FU_xx: 0x408c0008, err_num (8)
[07/13/2020 14:06:39.927029]: Tmeout from SAP: MTS_SAP_FLEXLINK OPC: MTS_OPC_ETHPM_PORT_CTRL_UP Seq_name: PRE_LOGICAL_UP Errorcode:0x408c0008 Errorstr: SYSERR_FU_xx: 0x408c0008, err_num (8)
[07/09/2020 20:36:47.157303]: Tmeout from SAP: MTS_SAP_FLEXLINK OPC: MTS_OPC_ETHPM_PORT_PHY_CLEANUP Seq_name: PHY_DN Errorcode:0x408c0008 Errorstr: SYSERR_FU_xx: 0x408c0008, err_num (8)

The "show system internal ethpm info interface ..." will show this kind of errors in sending to Flexlink component.

Conditions:
FP9300 or FP4100 running in a clustering setup, triggering upgrade of FTD from 6.4.0 to 6.7.0, and FXOS upgrade from 2.6.1.166 to 2.6.1.66.
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