Cisco 3845 - Security Bundle Router Manual page 76

SPANTREE Messages
Error Message SPANTREE-3-PORT_SELF_LOOPED: [chars] disabled.- received BPDU src mac
([enet]) same as that of interface.
Explanation
assigned to the listed interface. This means that a port might be looped back to itself, possibly
because of an installed diagnostic cable. The interface will be administratively shut down. [chars] is
the interface that received the BPDU, and [enet] is the source MAC address.
Recommended Action
When the problem is resolved, re-enable the interface by using the no shutdown interface
configuration command.
Error Message SPANTREE-4-PORT_NOT_FORWARDING: [chars] [chars] [chars] [chars].
Explanation
second [chars] is the severity. The third [chars] is the interface name, and the fourth [chars] is the
alarm string.
Recommended Action
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 need assistance, open a case with the TAC, or provide
your Cisco technical support representative with your information. For more information about these
online tools and about contacting Cisco, see the
page
Error Message SPANTREE-5-EXTENDED_SYSID: Extended SysId [chars] for type [chars].
Explanation
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 configured 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 be mandatory. The first [chars] is the
extended system ID state (enable or disable), and the second [chars] is the spanning-tree instance.
Recommended Action
Error Message SPANTREE-5-ROOTCHANGE: Root Changed for [chars] [dec]: New Root Port
is [chars]. New Root Mac Address is [enet].
Explanation
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
Cisco ME 3400E, ME 3400, and ME 2400 Ethernet Access Switch System Message Guide
2-62
The listed interface received a BPDU with a source MAC address that matches the one
Verify the interface configuration, and test any cable connected to the interface.
A port-not-forwarding alarm is set or cleared. The first [chars] is the mode, and the
Copy the message exactly as it appears on the console or in the system log.
1-5.
The extended system ID feature is either enabled or disabled for the given type of
No action is required.
The root switch changed for a spanning-tree instance. The first [chars] and [dec] is the
No action is required.
Chapter 2 Messages and Recovery Procedures
"Error Message Traceback Reports" section on
OL-23408-01