5-16
Configuring Serial Interfaces for E1- and T1-Carrier Lines
Viewing Information about the Serial Interface
If the interface is administratively down, you must enter no shutdown from
the serial interface configuration mode context to activate it. If the interface
is down, you should begin troubleshooting the problem, as explained in
“Troubleshooting a Serial Connection” on page 5-18.
show running-config interface Command
To view the configuration for the serial interface, enter the following com-
mand from the enable mode context:
Syntax: show running-config interface serial <slot>/<port>
This command displays only the options that you have configured for the serial
interface. If you want to view the entire configuration, including the default
settings that are being applied to the interface, include the verbose option:
Syntax: show running-config interface serial <slot>/<port> verbose
Figure 5-7 shows the difference between the output of the show running-
config interface serial 2/1 command and the show running-config inter-
face serial 2/1 verbose commands.
Figure 5-8. show running-config interface serial Commands
ProCurve# show running-config interface serial 2/1
Building configuration...
interface ser 2/1
no shutdown
ProCurve# show running-config interface serial 2/1 verbose
Building configuration...
interface ser 2/1
description
et-clock-source txclock
no ignore dcd
no invert txclock
no invert rxclock
no invert etclock
serial-mode V35
alias
snmp trap link-status
no shutdown
end
Displays all the commands that
affect the interface—including
both default settings and the
settings that were entered
Only one command
was entered
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