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Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
OL-8551-04
Chapter 3 Message and Recovery Procedures
SPANTREE Messages
Error Message SPANTREE-4-PORT_NOT_FORWARDING: [chars] [chars] [chars] [chars].
Explanation This message appears when a port-not-forwarding alarm is set o r cleared. The first
[chars] is the mode (for example, assert or clear), and the second [chars] is the severity (for example,
minor). The third [chars] is the interface name, and the fourth [chars] is the alarm string (for
example, port not forwarding).
Recommended Action Copy the message exactly as it appears on the console or in the system log.
Research and attempt to resolve the error by using the Output Interpreter. Use the Bug Toolkit to
look for similar reported problems. If you still require assistance, open a case with the TAC, or
contact your Cisco technical support representative, and provide the representative with th e gathered
information. For more information about these online tools and about contacting Cisco, see the
“Error Message Traceback Reports” section on page 2-7.
Error Message SPANTREE-5-EXTENDED_SYSID: Extended SysId [chars] for type [chars].
Explanation The extended system ID feature is either enabled or disabled for the given type of
spanning tree. If enabled, the spanning-tree instance identifier is stored in the lower portion of the
bridge ID priority field and limits the allowed values for the bridge priority from 0 to 61440, in
increments of 4096. If disabled, the bridge ID priority field consists only of the con figured priority,
but some spanning-tree features might not be available on a given platform ( for example, support
for 4096 VLANs). On some platforms, this feature might b e mandatory. The first [chars] is the
extended system ID state (enable or disable), and the second [chars] is the spanning-tree instance.
Recommended Action No action is required.
Error Message SPANTREE-5-ROOTCHANGE: Root Changed for [chars] [dec]: New Root Port
is [chars]. New Root Mac Address is [enet].
Explanation The root switch changed for a spanning-tree instance. The first [chars] and [dec] is the
interface ID for the previous root port, the second [chars] is the interface ID for the new root port,
and [enet] is the Ethernet address of the new root port.
Recommended Action No action is required.
Error Message SPANTREE-5-TOPOTRAP: Topology Change Trap for [chars] [dec].
Explanation A trap was generated because of a topology change in the network.
Recommended Action No action is required.
Error Message SPANTREE-6-PORTADD_ALL_VLANS: [chars] added to all Vlans
Explanation The interface has been added to all VLANs. [chars] is the added interface.
Recommended Action No action is required.