Specifications

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Cisco Catalyst Blade Switch 3040 for FSC System Message Guide
OL-10697-01
Chapter 2 Message and Recovery Procedures
DTP Messages
Error Message DTP-4-UNKN_ERR: An unknown operational error occurred.
Explanation
The system is unable to negotiate trunks because an internal operation generated an
unexpected error.
Recommended Action Reload the switch by using the reload privileged EXEC command.
Error Message DTP-5-DOMAINMISMATCH: Unable to perform trunk negotiation on port
[chars] because of VTP domain mismatch.
Recommended Action
The two ports in the trunk negotiation belong to different VTP domains.
Trunking can be configured only when the ports belong to the same VTP domain. [chars] is the port
number.
Recommended Action Ensure that the ports in the trunk negotiation belong to the same VTP domain.
Error Message DTP-5-ILGLCFG: Illegal config (on, isl--on,dot1q) on [chars].
Explanation
One end of the trunk link is configured as on with ISL encapsulation and the other end
is configured as on with IEEE 802.1Q encapsulation. [chars] is the interface.
Recommended Action This configuration is illegal and will not establish a trunk between two
switches. You must change the encapsulation type so that both ends of the trunk match.
Error Message DTP-5-NONTRUNKPORTON: Port [chars] has become non-trunk.
Explanation The interface changed from a trunk port to an access port. [chars] is the interface that
changed.
Recommended Action This message is provided for information only.
Error Message DTP-5-TRUNKPORTCHG: Port [chars] has changed from [chars] trunk to
[chars] trunk.
Explanation The encapsulation type of the trunk port has changed. The first [chars] is the interface,
the second is the original encapsulation type, and the third [chars] is the new encapsulation type.
Recommended Action This message is provided for information only.
Error Message DTP-5-TRUNKPORTON: Port [chars] has become [chars] trunk.
Explanation The interface has changed from an access port to a trunk port. The first [chars] is the
interface, and the second [chars] is the encapsulation type.
Recommended Action This message is provided for information only.