Name: Grandstream Networks UCM6302A
Brand: Grandstream Networks
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UCM6300 Series/UCM6300 Audio Series:

High Availability User Guide

P a g e | 34

MAINTENANCE

In HA setup, system admin can check HA related alerts under UCM web UI’s system events page to learn

if there is any abnormal event related to HA. According to the alerts, admin can further diagnose by checking

the event time and logs with more details.

Figure 16: System Alert Events

HA log also shows all HA backup and failover logs.

Figure 17: HA Logs

Table of Contents2
Supported Devices5
Table 1: UCM Models Supporting High Availability Feature5
Introduction6
Typical Network Topology7
Figure 1: Typical Network Topology7
Ha Prerequisites8
Prerequisites8
Connecting UCM for HA Setup8
Network Configuration8
Figure 2: Network Settings9
Ha Configurations10
For UCM Without UCMRC Plan10
Figure 3: HA Settings on Primary UCM10
Figure 4: HA Settings on Secondary UCM11
Figure 5: HA Configured on Secondary UCM12
Figure 6: HA Status on Secondary UCM12
For UCM with UCMRC Plan13
Scenario 1: Two New Ucms on Factory Default Settings and both UCM Use UCMRC Service13
UCM Use UCMRC Service14
Ha Configuration Parameters15
Table 2: HA Related Parameters15
Ucmrc Configurations19
UCMRC Plan19
Custom Domain Configuration19
Figure 7: Add UCM to GDMS19
Figure 8: Assign UCMRC Plan to UCM19
Figure 9: Edit Device20
Figure 10: Configure Custom Domain20
Verify Ha Settings21
Figure 11: HA Status for Active UCM21
Figure 12: HA Status for Standby UCM21
Active/Standby Role in Ha22
Automatic Failure Detection22
Active UCM: Self-Failure Detection22
Figure 13: Active and Standby UCM Failover22
Standby UCM: Periodic Heartbeat23
Force Switch23
Figure 14: Force Switch23
Firmware Upgrade24
Replacing Ucm in Ha25
HA Setup with UCMRC25
Scenario 1: UCM A's Station Type Is "Primary" and It's the Active UCM. UCM B's Station Type Is "Secondary" and It's in Standby Status25
Primary" and It's in Standby Status25
HA Setup Without UCMRC26
Disabling Ha Setup27
Cloud IM in Ha Setup28
Using Ucmrc with Ha29
Switching UCMRC Role in HA29
Figure 15: GDMS Display for UCM HA Status29
Service Status30
Active/Standby Status30
Web UI Access for UCM30
Log in Wave30
Failover During Call31
Data Sync32
Backup and Restore33
Maintenance34
Figure 16: System Alert Events34
Figure 17: HA Logs34

Grandstream Networks UCM6302A High Availability User Guide

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Brand	Grandstream Networks
Model	UCM6302A
Category	PBX
Language	English