Table of Contents
6 Basic System Configuration Guide
When the Active CPM Goes Offline ............................................................................................................247
OOB Management Ethernet Port Redundancy...........................................................................................248
Persistence..................................................................................................................................................249
Dynamic Data Persistency (DDP) Access Optimization for DHCP Leases............................................250
Network Synchronization..................................................................................................................................251
Central Synchronization Sub-System..........................................................................................................253
7950 XRS-40 Extension Chassis Central Clocks........................................................................................255
Synchronization Status Messages (SSM)...................................................................................................255
DS1 Signals ...........................................................................................................................................256
E1 Signals..............................................................................................................................................256
SONET/SDH Signals .............................................................................................................................256
DS3/E3...................................................................................................................................................257
Synchronous Ethernet.................................................................................................................................257
Clock Source Quality Level Definitions .......................................................................................................258
IEEE 1588v2 PTP .......................................................................................................................................261
PTP Clock Synchronization....................................................................................................................268
Performance Considerations..................................................................................................................269
PTP Capabilities.....................................................................................................................................270
PTP Ordinary Slave Clock For Frequency.............................................................................................271
PTP Ordinary Master Clock For Frequency...........................................................................................272
PTP Boundary Clock for Frequency and Time.......................................................................................273
PTP Clock Redundancy.........................................................................................................................274
PTP Time for System Time and OAM Time...........................................................................................275
PTP within Routing Instances ................................................................................................................275
System-Wide ATM Parameters........................................................................................................................275
Link Layer Discovery Protocol (LLDP)..............................................................................................................276
IP Hashing as an LSR ......................................................................................................................................278
Ethernet Satellites ............................................................................................................................................279
Software Repositories for Satellites ............................................................................................................280
Satellite Configuration ................................................................................................................................280
Satellite Client Port Association ............................................................................................................281
Software Repositories ......................................................................................................................................281
Administrative Tasks ........................................................................................................................................281
Configuring the Chassis Mode ....................................................................................................................281
Saving Configurations .................................................................................................................................284
Specifying Post-Boot Configuration Files....................................................................................................284
Network Timing ...........................................................................................................................................285
Power Supplies ...........................................................................................................................................285
Automatic Synchronization..........................................................................................................................285
Boot-Env Option.....................................................................................................................................286
Config Option .........................................................................................................................................286
Manual Synchronization..............................................................................................................................287
Forcing a Switchover...........................................................................................................
...................287
System Configuration Process Overview .........................................................................................................287
Configuration Notes..........................................................................................................................................288
General........................................................................................................................................................288
Configuring System Management with CLI ......................................................................................................289
System Management........................................................................................................................................290
Saving Configurations .................................................................................................................................290