Symptom
C9800-L HA LED ligths on green color however HA is disabled on configuration.
------------------ show redundancy states ------------------
Load for five secs: 1%/0%; one minute: 1%; five minutes: 2%
Time source is NTP, 19:08:36.819 JST Sat Nov 25 2023
my state = 13 -ACTIVE
peer state = 1 -DISABLED
Mode = Simplex
Unit = Primary
Unit ID = 1
Redundancy Mode (Operational) = Non-redundant
Redundancy Mode (Configured) = sso
Redundancy State = Non Redundant
Maintenance Mode = Disabled
Manual Swact = disabled (system is simplex (no peer unit))
Communications = Down Reason: Simplex mode
Cisco Catalyst 9800-L Wireless Controller Hardware Installation Guide shows that HA LED on is for HA active as follows:
Table 5. High Availability LED Indicators
Off: HA disabled
On: HA active
Slow: Blink HA Hot Standby
https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/9800-L/installation-guide/b-wlc-ig-9800-L/overview.html
Conditions
Hardware: C9800-L
Software: various versions. At least for 17.3.5b, 17.6.5, 17.9.4, and 17.12.2.
HA is disabled on the configuration.
