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Cisco Bug: CSCus94888 - To increase i2c bus tBuf time and polling time of i2c bus 0

Last Modified

Apr 17, 2018

Products (150)

  • Cisco Catalyst 2960-X Series Switches
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 3560X-48U-S Switch
  • Cisco Catalyst 2960X-24PD-L Switch
  • Cisco Embedded Service 2020 24TC NCP B Switch
  • Cisco Catalyst 2960X-48LPS-L Switch
  • Cisco Catalyst 2960C-8TC-S Switch
  • Cisco Embedded Service 2020 CON B Switch
  • Cisco Catalyst 2960X-24PS-L Switch
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Known Affected Releases

15.2(2)E

Description (partial)

Symptom:
Misbehaviour observed on few i2c devices due to wrong tBuf value(Bus free time).
This can cause other devices connected on the I2C bus to misbehave as well.
The end customer can observe problems with show idprom, show inventory and DOM state.

Conditions:
Inserting SFP LRM module
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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