Administrator Guide

Command History
Version Description
9.11(0.0) Introduced on the N20xx and N30xx series port extenders.
9.10(0.0) Introduced on the S3100 series.
Usage Information
By default, a combo port is in Hybrid mode. Use the combo-port-type command to provision the combo port
as either copper or fiber. Use the no combo-port-type command to change the combo port to Hybrid mode.
The negotiation auto command is not available on the combo ports in the hybrid mode. You need to
provision the combo port as copper or fiber medium using the combo-port-type command.
Example
Dell(conf-if-pegi-2/0/48)# combo-port-type copper
Dell(conf-if-pegi-2/0/48)# combo-port-type fiber
combo-port-type
You can pre-provision the medium of combo ports as copper or fiber.
Syntax
combo-port-type{copper | fiber}
Parameters
copper Enter the keyword copper to provision the combo port as a copper port.
fiber Enter the keyword fiber to provision the combo port as a fiber port.
Defaults None
Command Modes INTERFACE
Command History
Version Description
9.11(0.0) Introduced on the N20xx and N30xx series port extenders.
9.10(0.0) Introduced on the S3100 series.
Usage Information
By default, a combo port is in Hybrid mode. Use the combo-port-type command to provision the combo port
as either copper or fiber. Use the no combo-port-type command to change the combo port to Hybrid mode.
The negotiation auto command is not available on the combo ports in the hybrid mode. You need to
provision the combo port as copper or fiber medium using the combo-port-type command.
Example
Dell(conf-if-pegi-2/0/48)# combo-port-type copper
Dell(conf-if-pegi-2/0/48)# combo-port-type fiber
dampening
Configure dampening on an interface.
C9000 Series
Syntax
dampening [[[[half-life] [reuse-threshold]] [suppress-threshold]] [max-
suppress-time]]
Parameters
half-life Enter the number of seconds after which the penalty is decreased. The penalty decreases
half after the half-life period expires. The range is from 1 to 30 seconds. The default is 5
seconds.
reuse-threshold Enter a number as the reuse threshold, the penalty value below which the interface state
is changed to “up”. The range is from 1 to 20000. The default is 750.
Interfaces 673