Cisco Cisco ONS 15454 SONET Multiservice Provisioning Platform (MSPP) Guida Alla Risoluzione Dei Problemi
Creating a Circuit for Monitoring the Ring
Document ID: 23921
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
Connect, Test, and Create the Monitoring Circuit
Connect the Bit Error Rate Test Set
Test the Connected Devices
Create the Monitoring Circuit Example Using Three Nodes
Related Information
Prerequisites
Requirements
Components Used
Conventions
Connect, Test, and Create the Monitoring Circuit
Connect the Bit Error Rate Test Set
Test the Connected Devices
Create the Monitoring Circuit Example Using Three Nodes
Related Information
Introduction
This document presents a lab setup that shows a simple procedure to create a bidirectional circuit to monitor
the ring. The circuit starts on the transmit leg of a port on either a DS1 or DS3 board and traverses the ring. It
is physically looped by a second port on the same board back to the return leg on its original port. The
procedure in this document is used for circuits on both bidirectional line switched rings (BLSRs) and
unidirectional path switched rings (UPSRs).
the ring. The circuit starts on the transmit leg of a port on either a DS1 or DS3 board and traverses the ring. It
is physically looped by a second port on the same board back to the return leg on its original port. The
procedure in this document is used for circuits on both bidirectional line switched rings (BLSRs) and
unidirectional path switched rings (UPSRs).
Note: Monitoring circuits is done only on bidirectional built circuits. Monitoring builds a one−way circuit
path to the test set from the DS1/DS3/EC1 card. Create a drop circuit such as broadcast video to monitor a
unidirectional (one−way circuit).
path to the test set from the DS1/DS3/EC1 card. Create a drop circuit such as broadcast video to monitor a
unidirectional (one−way circuit).
The topology used in this document is shown here. In the topology, the end points of the monitoring circuit
are on the same board on the same node. This procedure works equally well if the end points are on separate
boards on separate nodes. This procedure is performed on various topology types such as UPSR, BLSR, and
Linear. Monitor circuits are not used on EtherSwitch−type circuits.
are on the same board on the same node. This procedure works equally well if the end points are on separate
boards on separate nodes. This procedure is performed on various topology types such as UPSR, BLSR, and
Linear. Monitor circuits are not used on EtherSwitch−type circuits.