HP Aruba JL253A Management And Configuration Manual page 318

Switch reachability to the controllers
Figure 33: Controllers through same VLAN
Switch
Figure 34: Controllers through different VLANs
Restrictions
1. Priority based failover is not supported.
2. When there is a failover to backup controller, the primary controller will not try to re-establish the IPsec session
when it becomes active.
3. Failover to the other (either primary or secondary) controller results in data loss. All the existing application
sessions in the switch will be terminated.
318
Router
Switch
Primary
Controller
Backup
Controller
Primary
Controller
(Airwave, CPPM,
(Airwave, CPPM,
Backup
Controller
Aruba 2930F / 2930M Management and Configuration Guide
Services
(Airwave, CPPM,
Syslog etc.)
Services
(Airwave, CPPM,
Syslog etc.)
Services
Syslog etc.)
Services
Syslog etc.)
for ArubaOS-Switch 16.08