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Chapter 2
Messages and Recovery Procedures
Error Message SPANTREE-5-TOPOTRAP: Topology Change Trap for [chars] [dec].
Explanation
network.
Recommended Action
Error Message SPANTREE-6-PORT_STATE: Port [chars] instance [dec] moving from [chars]
to [chars].
Explanation
[dec] is the spanning-tree instance ID. The second [chars] is the old state (such as listening, learning,
or forwarding, and so forth), and the third [chars] is the new state.
Recommended Action
Error Message SPANTREE-7-BLOCK_PORT_TYPE: Blocking [chars] on [chars]. Inconsistent
port type.
Explanation
state until the port-type inconsistency is resolved. The first [chars] is the interface, and the second
[chars] is the spanning-tree instance.
Recommended Action
those of the interface to which it is connected are in the same mode (access or trunk). If the mode
is trunk, verify that both interfaces have the same encapsulation (none or 802.1Q). When these
parameters are consistent, spanning tree automatically unblocks the interface.
Error Message SPANTREE-7-PORTDEL_SUCCESS: [chars] deleted from Vlan [dec].
Explanation
interface, and [dec] is the VLAN ID.
Recommended Action
Error Message SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non trunk
[chars] [chars].
Explanation
not an operational trunking interface. The first [chars] is the port name, and the second [chars] is the
VLAN name.
Recommended Action
that of the interface to which it is connected are in the same mode (access or trunk). If the mode is
trunk, verify that both interfaces have the same encapsulation (none or 802.1Q). When these
parameters are consistent, spanning tree automatically unblocks the interface.
OL-9641-01
This message means that a trap was generated because of a topology change in the
No action is required.
This message means that the port state changed. The first [chars] is the interface name.
No action is required.
This message means that the listed interface is being held in the spanning-tree blocking
Verify that the configuration and operational states of the listed interface and
This message means that the interface has been deleted from VLAN. [chars] is the
No action is required.
This message means that an SSTP BPDU was received on the listed interface, which is
Verify that the configuration and operational state of the listed interface and
Cisco ME 3400 and 2400 Ethernet Access Switch System Message Guide
SPANTREE Messages
2-65
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