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%SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred Cat 6k, WS-X6348-RJ45 module reset

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Introduction

%SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred in Cisco Catalyst 6000 Series Switches, WS-X6348-RJ45 module reset.

Core issue

The %SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred error message appears in Cisco Catalyst 6000 switches, and the WS-X6348-RJ45 module resets

Under rare conditions, some cards can reset when a link rapidly flaps. The %SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred error message appears only if the link must go from down to up to down within 300ms.

Description
SYS-3-SYS_LCPERR3:Module X: Fatal exception occurred - CSCed17719

This DDTS affects the following cards:

  • WS-6248-RJ45
  • WS-6248-TEL
  • WS-6348-RJ45
  • WS-6348-RJ21
  • WS-6148-RJ45
  • WS-6148-RJ21
  • WS-6348-100FX
  • WS-X6224-100FX-MT
  • WS-X6324-100FX-SM
  • WS-X6324-100FX-MM

Under rare conditions, these cards may reset when a link is rapidly  flapping. 
The link must go from down to up to down within 300ms. This bug affects all releases of CatOS and IOS software.

Workaround:
Disable the rapidly flapping port, or remedy the root cause of the link flap.

Resolution

As a workaround to this problem, disable the port using shutdown command that flaps rapidly. Alternatively, resolve the root cause of the link flap.

Known Fixed Releases:

  • 12.1(13)E14
  • 6.4(5.11)X
  • 6.4(8.9)
  • 8.2(0.58)TFW4
  • 8.4(0.14)COC

For further assistance and support, open a service request with Cisco Technical Assistance Center (TAC).

Reference

Download software for  Cisco Catalyst 6000 Series Switches

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