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Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
OL-8551-04
Chapter 3 Message and Recovery Proced ures
EC Messages
Error Message EC-5-L3STAYDOWN: [chars] will remain down as its port-channel [chars]
is admin-down.
Note This message applies only to Catalyst 3550 switches.
Explanation On Layer 3 interfaces and aggregation interfaces, the administrative state of the
aggregation interface overrides the administrative status of the Layer 3 interface. If the aggregation
interface is administratively down, all interfaces in the aggregation interface are forced to be down.
[chars] is the Layer 3 interface.
Recommended Action Enter the no shutdown interface configuration command on the aggregation
interface.
Error Message EC-5-NOLACP: Invalid EC mode, LACP not enabled.
Explanation The EtherChannel mode cannot be set because LACP is not included in the software
image.
Recommended Action Install a software image that includes LACP, and set the EC mode to on.
Error Message EC-5-NOPAGP: Invalid EC mode, PAgP not enabled.
Explanation PAgP is not included in the Cisco IOS image and the EtherChannel m ode cannot be set
to desirable or auto.
Recommended Action Obtain an image with PAgP included, or set the mode to on by using the
channel-group channel-group-number mode on interface configuration command.
Error Message EC-5-PORTDOWN: Shutting down [chars] as its port-channel is
admin-down.
Explanation The administrative state of the port is controlled by the administrative state of its
aggregate port. If the administrative state of the aggregate port is down, the admi nistrative state of
the port is also forced to be down. [chars] is the physical interface.
Recommended Action Enter the no shutdown interface configuration command on the aggregate port
to activate the aggregation port.
Error Message EC-5-STAYDOWN: [chars] will remain down as its port-channel [chars] is
admin-down.
Explanation The administrative state of the aggregation port overrides that of the affected port. If the
aggregation port is administratively down, all ports in the aggregation port are forced to be
administratively down. The first [chars] is the physical interface, and the second [chars] is the
EtherChannel.
Recommended Action Enter the no shutdown interface configuration command on the aggregation
port to activate (unshut) the aggregation port.