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Monitoring Interfaces

To display statistics for channelized SONET and SDH interfaces, use the show controllers sonet command. The following section describes some of the options for the command and shows some sample displays.

From User Exec mode, use the following show commands to monitor and display the T3, T1/E1, and HDLC serial data channel information:

Display E1 or T1 statistics for E1 or T1 over a VT.host1#show controllers sonet 2/0 e1
Display T3 statistics.host1#show controllers sonet 2/1 ds3
Display statistics for the section, line, path, and tributary layers.host1#show controllers sonet 2/1 section
Display the configuration for channelized SONET and SDH interfaces.host1#show controllers sonet 2/0 configuration
Display statistics for serial interfaces.host1#show interfaces serial 2/0:1/1/1/1/1

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