Juniper PHYSICAL LAYER - CONFIGURATION GUIDE V11.1.X Configuration Manual page 11

Chapter 4
Reversion After Switchover ..............................................................75
Communication Methods .................................................................75
Higher-Level Protocols ............................................................................77
Platform Considerations ................................................................................77
OCx/STMx/DS3-ATM Line Modules .........................................................78
OCx/STMx POS Line Modules .................................................................78
OC48 Line Modules .................................................................................79
OC3/STM1 GE/FE Line Module ................................................................79
ES2 4G Line Module ................................................................................80
E120 Router Configuration ...............................................................80
E320 Router Configuration ...............................................................80
OCx/STMx ATM IOAs .......................................................................81
OCx/STMx POS IOAs ........................................................................81
Numbering Scheme ................................................................................81
ERX7xx Models, ERX14xx Models, and the ERX310 Router .............82
E120 and E320 Routers ....................................................................82
Interface Specifier ...................................................................................83
Exchanging Modules ...............................................................................83
References ....................................................................................................84
Configuration Tasks .......................................................................................84
Configuring the SONET/SDH Layers ........................................................84
Configuring APS/MSP ..............................................................................89
Configuring the Working Interface ...................................................90
Configuring the Protect Interface ......................................................91
Configuring SONET/SDH Alarms ......................................................93
Configuration Example .....................................................................94
Configuring APS Event Collection .....................................................94
Manual Switching to a Redundant Port ...................................................95
Testing Interfaces ..........................................................................................96
Loopback Testing ....................................................................................96
Testing Connectivity ...............................................................................96
Monitoring SONET/SDH Interfaces ................................................................97
Monitoring Interface Statistics .................................................................97
Monitoring APS/MSP .............................................................................105
Configuring Channelized OCx/STMx Interfaces
Overview .....................................................................................................109
SONET APS and SDH MSP ....................................................................109
MDL/FDL Support .................................................................................109
MDL Standards ...............................................................................110
FDL Standards ................................................................................110
Timeout of Received MDL and FDL Messages ................................110
Frequency of FDL Path Messages ...................................................111
Higher-Level Protocols ..........................................................................111
Platform Considerations ..............................................................................112
cOCx/STMx FO Line Module .................................................................112
Interface Stack ......................................................................................113
SONET/SDH VT Controllers ............................................................113
T3 Controllers .................................................................................116
Table of Contents
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Table of Contents