4-22
Configuring E1 and T1 Interfaces
ProCurve Secure Router Modules
If you have connected the interface to either to the wall jack or the external
CSU, the interface will try to establish the Physical Layer of the WAN connec-
tion. If the E1 or T1 interface successfully establishes that Physical Layer,
another message should be displayed:
INTERFACE_STATUS.e1 1/1 changed state to up
or
INTERFACE_STATUS.t1 1/1 changed state to up
These messages are part of the event-history log and can help you quickly
determine if an interface is functional. However, you can suppress these
messages if, for example, you feel they disrupt your efforts to configure the
router. Move to the enable mode context and enter:
ProCurve# no events
To return to the default setting, enter:
ProCurve# events
Note The events display should not be confused with event-history, which is a
collection of all logs of interface events, as well as other logs. To display this
information, enter the show event-history command from the global config-
uration mode context.
If the status of the interface does not change to up, you may need to trouble-
shoot the connection, as explained in “Troubleshooting E1 and T1 WAN
Connections” on page 4-31.
If the interface is up, you must configure the appropriate Data Link Layer
protocol for the connection, as described in Chapter 6: Configuring the Data
Link Layer Protocol for E1, T1, and Serial Interfaces.
Threshold Commands
When you configure and activate an E1- or T1-carrier line, line error thresholds
are enabled by default. When a threshold is reached, an events notification is
displayed on the router’s CLI.
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