Error message "%SYS EOBC_CHANNELREINIT:Ethernet out of band channel reinitialized (1)" seen on Catalyst 6500/6000 series switches.

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Wed, 07/22/2009 - 19:37
Jun 18th, 2009

Core issue

CatOS versions 6.3.8, 7.3.2, and 7.5.1 introduced this message. The message displays for a nonfatal error condition. The message indicates that both these occurrences have taken place:

  • The switch has detected an Ethernet out-of-band channel (EOBC) transmit (Tx) queue-stuck condition on the system controller application-specific integrated circuit (ASIC).
  • The ASIC has been reinitialized without a reset of the switch.

Note: The presence of a card with a faulty EOBC buffer can also cause the message.


Resolution

This message is informational only and requires no action. The data traffic continues to flow through the switch. Later software releases include a change in the severity level of the message so that the severity coincides with the severity of the error.

If you see this message very frequently, contact Cisco Technical Support  for further investigation.

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