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Catalyst 2928 Switch Software Configuration Guide
OL-23389-01
Chapter 12 Configuring Interface Characteristics
Monitoring and Maintaining the Interfaces
Monitoring Interface Status
Commands entered at the privileged EXEC prompt display information about the interface, including
the versions of the software and the hardware, the configuration, and statistics about the interfaces.
lists some of these interface monitoring commands. (You can display the full list of
show
commands by using the
show ?
command at the privileged EXEC prompt.) These commands are fully
described in the
Cisco IOS Interface Command Reference, Release 12.2.
Clearing and Resetting Interfaces and Counters
lists the privileged EXEC mode
clear
commands that you can use to clear counters and reset
interfaces.
Table 12-4
Show Commands for Interfaces
Command
Purpose
show interfaces
[
interface-id
]
Display the status and configuration of all interfaces or a specific
interface.
show interfaces
interface-id
status
[
err-disabled
]
Display interface status or a list of interfaces in an error-disabled state.
show interfaces
[
interface-id
]
switchport
Display administrative and operational status of switching ports.
show interfaces
[
interface-id
]
description
Display the description configured on an interface or all interfaces and
the interface status.
show ip interface
[
interface-id
]
Display the usability status of all interfaces configured for IP routing
or the specified interface.
show interface
[
interface-id
]
stats
Display the input and output packets by the switching path for the
interface.
show interfaces
transceiver
properties
(Optional) Display speed, duplex, and inline power settings on the
interface.
show interfaces
[
interface-id
] [{
transceiver
properties
|
detail
}]
module number
]
Display physical and operational status about an SFP module.
show running-config interface
[
interface-id
]
Display the running configuration in RAM for the interface.
show version
Display the hardware configuration, software version, the names and
sources of configuration files, and the boot images.
show controllers ethernet-controller
interface-id
phy
Display the operational state of the auto-MDIX feature on the
interface.
show power inline
[i
nterface-id |
module
switch-number
]
Display PoE status for a switch or for an interface.
show power inline police
Display the power policing data.
Table 12-5
Clear Commands for Interfaces
Command
Purpose
clear counters
[
interface-id
]
Clear interface counters.
clear interface
interface-id
Reset the hardware logic on an interface.
clear line
[
number
|
console 0
|
vty
number
]
Reset the hardware logic on an asynchronous serial line.
