New software improvements and resolved issues

Improvements

Support for SGT Inline Tagging Over Port-Channel Uplink

• SGT inline tagging over port-channel uplink is supported in Cisco IOS XE Amsterdam 17.3.5a for Cisco Catalyst 9800-L Wireless Controller, Cisco Catalyst 9800-40 Wireless Controller, and Cisco Catalyst 9800-80 Wireless Controller

Bug fixes

✔ Cisco Catalyst 9800-80 Wireless Controller crashes on 17.3.4ES9 version

✔ Cisco Catalyst 9800-80 Wireless Controller crashes due to a CPU hog in the Radio Resource Management (RRM) process

✔ Cisco Catalyst 9800-80 Wireless Controller: Application visibility configuration page does not load when 99 or more policy profiles have the Cisco Application Visibility and Control (AVC) enable

✔ Cisco Catalyst 9800-80 Controller goes to ROMMON after multiple failovers due to power cycling

✔ Cisco Catalyst 9800-80 Wireless Controller: Crash in mobilityd mcfsm_decrement_client_count

✔ Crash observed in C9800-80-K9 while the running 17.3.4 version

✔ Memory leak is observed in C9800-CL due to native telemetry

✔ Cisco Catalyst 9120AXI-B APs crash when joining Cisco Catalyst 9800-CL wireless controllers running Cisco IOS XE 17.6.1

Open issues

• The FortyGigabitEthernet interfaces on Cisco Catalyst 9800-80 Wireless Controller gets stuck in the down state after repeated High Availability (HA) failovers
• A crash occurs when Btrace modules exceed the initial maximum number of registrations
• The primary controller displays "standby hot" even though the standby controller is in recovery mode
• The AVC page does not load in the GUI under Configuration > Services > AVC