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Catalyst Supervisor Engine 32 PISA Cisco IOS System Message Guide, Release 12.2ZY
OL-11469-02
Chapter 2 Messages and Recovery Procedures
EOBC Messages
EOBC Messages
This section contains Ethernet out-of-band channel (EOBC) messages.
EOBC-0
Error Message %EOBC-0-EOBC_JAM_FATAL: [chars] in slot [dec] is jamming the EOBC
channel. It has been disabled.
Explanation
The primary supervisor engine EOBC hardware is faulty. There is no redundant
supervisor engine to take over, so the switch has been shut down.
Recommended Action Immediately replace the supervisor engine in the slot specified in the error
message.
EOBC-2
Error Message %EOBC-2-EOBC_JAM: EOBC channel is jammed. Attempting to diagnose the
source of the problem and recover if possible.
Explanation
The SP is unable to communicate with other processors in the system because of a
problem with the EOBC channel. The problem could be due to faulty EOBC hardware on the
supervisor engine or due to a module with a faulty connector to the EOBC channel. The SP will
attempt to recover automatically. The success of this automatic recovery will be communicated
through more messages.
Recommended Action No action is required.
Error Message %EOBC-2-EOBC_JAM_RECOVERED: [chars] in slot [dec] is jamming the EOBC
channel. It has been disabled. [chars]
Explanation
The specified module has faulty hardware and is adversely affecting the operation of the
switch. The remaining modules will be power cycled and brought online.
Recommended Action Immediately replace the module in the slot specified in the error message.
EOBC-3
Error Message %EOBC-3-NOEOBCBUF: No EOBC buffer available. Dropping the packet.
Explanation
The EOBC receive buffer pool has been exhausted. No further input packets can be
processed until some buffers are returned to the pool.
Recommended Action After buffers are returned to the pool, if processing continues normally, no
action is required. Otherwise, copy the message exactly as it appears on the console or in the system
log. Research and attempt to resolve the issue using the tools and utilities provided at
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