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Cisco AS5350 and Cisco AS5400 Universal Gateway Card Installation Guide
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Chapter 6 Troubleshooting
Troubleshooting Network Interfaces
The test trunk drop-insert privileged EXEC command is used to enable or disable drop-insert mode on
a T3 controller. When the system initially boots up, the drop-insert mode is disabled on all T3
controllers.
To drop a particular T1 line to the test port, follow these steps:
Step 1 Enable drop-insert mode by entering the test trunk drop-insert on privileged EXEC command as
follows:
Router# test trunk drop-insert on
t1port
Note The t1 port is the particular T1 line that you wish to drop. T1 port numbers range from 1 to
28.
Step 2 Disable drop-insert mode after testing the T1 lines. We recommend that you disable drop-insert mode to
prevent accidental use of the push button on the CT3 board.
To disable drop-insert mode, enter the test trunk drop-insert off privileged EXEC command as follows:
Router> test trunk drop-insert off
t1 port
Troubleshooting Network Interfaces
For information about isolating problems with the network connections to your universal gateway, refer
to the publication Internetwork Troubleshooting Guide available on the web and on the Cisco
Documentation CD-ROM that shipped with your universal gateway.
Getting Help
For information about technical support, onsite service, and exchange and repair services, refer to the
“Obtaining Technical Assistance” section on page -xii in the “Preface.”