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Cisco Bug: CSCvv13444 - Forty gigabit ethernet link down after repeated HA SSO (switchovers) on 9800-80

Last Modified

Oct 16, 2020

Products (2)

  • Cisco Catalyst 9800 Series Wireless Controllers
  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

17.1.1s 17.3

Description (partial)

Forty Gigabit Ethernet uplink (QSFP 40GE LR-S) is down after few HA SSO (switchovers) on 9800-80/ASR 1000

High Availability SSO (switchover) with 9800-80/ASR 1000.

FortyGigabitEthernet0/1/1 is down, line protocol is down

Issue seen on QSFP 40GE LR-S SFP

mpk11-00-off-wlc7#show hw-module subslot 0/1 transceiver 1 idprom
IDPROM for transceiver FortyGigabitEthernet0/1/1:
  Description                               = QSFP optics (type 132)
  Transceiver Type:                         = QSFP 40GE LR-S (442)
  Product Identifier (PID)                  = QSFP-40G-LR4-S      
  Vendor Revision                           = A 
  Serial Number (SN)                        = FNS23510CD9     
  Vendor Name                               = CISCO-FINISAR   
  Vendor OUI (IEEE company ID)              = 00.90.65 (36965)
  CLEI code                                 = CMUIALFCAA
  Cisco part number                         = 10-3115-01
  Device State                              = Enabled.
  Date code (yy/mm/dd)                      = 19/12/19
  Connector type                            = LC
  Encoding                                  = 64B66B
  Nominal bitrate per channel               = 10GE (10300 Mbits/s)
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