User guide

ToC iii
Appendix B
Antenna Visibility
General . . . . . . . . . . . . . . . . . . . . B-1
Using Antenna Visibility . . . . . . . . . . . . B-2
Example — Blocking Spectrum Affected by
Local Ground Frequency Interference .B-5
Appendix C
Redundancy
General . . . . . . . . . . . . . . . . . . . . C-1
VMS Redundancy . . . . . . . . . . . . . . . C-2
Description. . . . . . . . . . . . . . . . . .C-2
Redundant Hot-Standby . . . . . . . . . . .C-2
Protection Switch-over. . . . . . . . . .C-3
Active to Standby Switch . . . . . . .C-3
Active Server Role . . . . . . . . . . . .C-4
Standby Server Role. . . . . . . . . . .C-4
Automatic VMS Activation . . . . . . . .C-4
Server Synchronization . . . . . . . . . . .C-4
Automatic Synchronization . . . . . . .C-5
Manual Synchronization . . . . . . . . .C-5
Server Contention . . . . . . . . . . . . . .C-5
Server Status . . . . . . . . . . . . . . . .C-6
Installing & Configuring VMS Server
Redundancy . . . . . . . . . . . . . . . .C-6
Enabled . . . . . . . . . . . . . . . .C-8
Auto Activate. . . . . . . . . . . . . .C-8
Redundant Servers . . . . . . . . . .C-9
Priority . . . . . . . . . . . . . . . . .C-9
Failover Time . . . . . . . . . . . . .C-9
Manual Switching . . . . . . . . . . . . . C-12
Clearing Server Contention . . . . . . . . C-12
N:M Hub Modem Redundancy . . . . . . . . C-13
Description. . . . . . . . . . . . . . . . . C-13
Installing N:M Redundancy . . . . . . . . C-15
Hub N:M Redundancy Requirements . C-15
Sample installation. . . . . . . . . . . C-17
. . . . . . . . . . . . . . . . . . . . . . . C-19
Setting up N:M redundancy . . . . . . . . C-19
Redundancy Manager . . . . . . . . . C-20
Create Container . . . . . . . . . . . C-20
Adding Strips and Groups . . . . . . . C-20
Power Strips . . . . . . . . . . . . . C-21
Redundancy Groups. . . . . . . . . C-22
Enabling Heartbeats . . . . . . . . . . C-23
Roles. . . . . . . . . . . . . . . . . . C-25
Backup Configurations . . . . . . . . . . C-26
System Restoration . . . . . . . . . . C-26
Pre-Configuring Backup Files . . . . . C-27
Creating Backup Configuration Files C-27
Storing Spare Configurations in the
Primary Units . . . . . . . . . . . C-29
Preparing the repaired/replacement unit . .
C-30
Restoring the acting primary unit spare
configuration. . . . . . . . . . . . . C-31
Cleaning up . . . . . . . . . . . . . . C-31
How N:M Redundancy Works. . . . . . . C-32
Device failure detection . . . . . . . . C-32
The Switch-over Process . . . . . . . C-32
Vipersat Manager . . . . . . . . . . C-32
Redundancy Manager . . . . . . . . C-33
Putting a Failed Unit Back into Service . . C-33
Setting Unit to Parked Configuration Mode .
C-34
Appendix D
Domain Controller and DNS
Setup . . . . . . . . . . . . . . . . . . . . D-1
Configuring a Domain Controller and DNS . . D-3
Configuring a Secondary Domain Controller . D-15
Setup . . . . . . . . . . . . . . . . . . . D-15
Installing Secondary DNS Server . . . . . . . D-27
Setup . . . . . . . . . . . . . . . . . . . D-27
Appendix E
SNMP Traps
Introduction . . . . . . . . . . . . . . . . . . E-1
Using SNMP Traps . . . . . . . . . . . . . E-2
SNMP Traps Available in VMS . . . . . . . E-2
Configuring SNMP Traps . . . . . . . . . . . E-3
Insert . . . . . . . . . . . . . . . . . . . . E-4
Modify . . . . . . . . . . . . . . . . . . . . E-4
Remove . . . . . . . . . . . . . . . . . . . E-5
Summary . . . . . . . . . . . . . . . . . . . E-6
Appendix F
Automatic Switching
General . . . . . . . . . . . . . . . . . . . . . F-1
Bandwidth Allocation and Load Switching . F-2