30-36 Riverstone Networks RS Switch Router User Guide Release 8.0
Channelized T1, E1 and T3 Services Overview WAN Configuration
Example: Configuring Loopbacks and Using BERT Testing on a DS1 Interface

This example shows the use of BERT to test a structured DS1 interface for a duration of one hour.

enable
config
!-----------------------------------------------------------------------------
! Configure loopback
!-----------------------------------------------------------------------------
port set t1.2.1 framing esf lbo -7.5db
port set t1.2.1:1 timeslots 1-24 speed-56 wan-encapsulation ppp
save active
exit
port loopback t1.2.1 remote-line-fdl-ansi
!-----------------------------------------------------------------------------
! Set the BERT pattern to use
!-----------------------------------------------------------------------------
port bert t1.2.1 pattern 2^20-QRSS interval 60
!-----------------------------------------------------------------------------
!To start the test.
!-----------------------------------------------------------------------------
port bert t1.2.1 start
!-----------------------------------------------------------------------------
! During the test, to display progress.
!-----------------------------------------------------------------------------
port show serial-link-info t1.2.1 all
!-----------------------------------------------------------------------------
! To stop the test before the one hour interval expires.
!-----------------------------------------------------------------------------
port bert t1.2.1 stop