Nokia 7210 - Page 6

7210 SAS-M, T, R6, R12, Mxp, Sx, S Basic System
Configuration Guide
6 © 2021 Nokia.
Use subject to Terms available at: www.nokia.com
3HE 17358 AAAB TQZZA
5.6.2 Subsequent Reboot of the Stack (with Correct BOF Present) ................240
5.7 Replacing and Upgrading a Node in a VC...............................................240
5.7.1 Replacing a Standby/Active CPM-IMM Node with Another CPM-
IMM Node................................................................................................241
5.7.2 Replacing an IMM-only Node with Another Node....................................242
5.7.3 Replacing the Current Active CPM node with Another Node ..................243
5.7.4 Expanding a VC by Adding a New IMM-only Node .................................244
5.7.5 Removing a Node from a VC (Standby CPM or IMM).............................244
5.7.6 Adding a New Standby CPM Node Into an Existing VC..........................244
5.7.7 Configuration Guidelines for Upgrading, Adding, or Removing a
VC Node ..................................................................................................244
5.8 VC Split Scenarios...................................................................................245
5.9 Virtual Chassis Command Reference .....................................................247
5.9.1 Command Hierarchies.............................................................................247
5.9.1.1 Configuration Commands........................................................................247
5.9.2 Command Descriptions ...........................................................................247
5.9.2.1 Configuration Commands........................................................................247
6 System Management ..................................................................249
6.1 System Management Parameters ...........................................................249
6.1.1 System Information..................................................................................249
6.1.1.1 System Name ..........................................................................................249
6.1.1.2 System Contact .......................................................................................250
6.1.1.3 System Location ......................................................................................250
6.1.1.4 System Coordinates ................................................................................250
6.1.1.5 Naming Objects .......................................................................................251
6.1.1.6 CLLI.........................................................................................................251
6.1.2 System Time ...........................................................................................251
6.1.2.1 Time Zones..............................................................................................251
6.1.2.2 Network Time Protocol ............................................................................253
6.1.2.3 SNTP Time Synchronization ...................................................................255
6.1.2.4 CRON ......................................................................................................256
6.2 High Availability .......................................................................................257
6.2.1 HA Features ............................................................................................257
6.2.1.1 Redundancy ............................................................................................258
6.2.1.2 Nonstop Forwarding and Routing on 7210 SAS-R6 and
7210 SAS-R12.........................................................................................261
6.2.1.3 CPM Switchover on 7210 SAS-R6 and 7210 SAS-R12..........................262
6.3 Temperature Threshold Alarm and Fan Speed .......................................263
6.3.1 Synchronization .......................................................................................264
6.3.1.1 Configuration and boot-env Synchronization...........................................264
6.3.1.2 State Database Synchronization .............................................................264
6.4 Synchronization and Redundancy...........................................................265
6.4.1 Active and Standby Designations on 7210 SAS-R6 and
7210 SAS-R12.........................................................................................266
6.4.2 Active and Standby Designations on 7210 SAS-Sx/S 1/10GE in
Standalone-VC Mode ..............................................................................267
6.4.3 When the Active CPM Goes Offline ........................................................267