I am testing out a setup before permanent installation. I have 4x CW9166I-B access points, and 1x C9120AXP-B with an external outdoor antenna running on a Catalyst 9800-L Wireless Controller software version 17.13.1. When I am running only 2.4 and 5Ghz radios everything works as expected, and I can roam between access points dropping just one or two pings. When I enable the 6Ghz radios I drop a minimum of 4 pings, and often times far more as the laptop often times disassociates, and takes up to a minute to re-associate. Manually turning the wireless off and then back on connects things back up immediately. I only have one 6Ghz capable device to test with, it is an Intel(R) Wi-Fi 6E AX210 160MHz running driver version 23.20.0.4 on Windows 11. I have run https://cway.cisco.com/wireless-config-analyzer/ and do not see anything potentially related to this issue. A debug trace on the client shows some interesting errors I cannot quite explain:
2024/01/18 10:34:53.159977223 {wncd_x_R0-0}{1}: [dot11] [15753]: (info): MAC: 3089.4a58.57cd DOT11 state transition: S_DOT11_ASSOCIATED -> S_DOT11_DELETED
2024/01/18 10:34:53.160215217 {wncd_x_R0-0}{1}: [client-orch-sm] [15753]: (ERR): MAC: 0000.0000.0000 Unable to determine vlan and switching mode. fsm_ctxt not found for client
2024/01/18 10:34:53.160289513 {wncd_x_R0-0}{1}: [client-orch-sm] [15753]: (ERR): MAC: 0000.0000.0000 Unable to determine vlan and switching mode. fsm_ctxt not found for client
2024/01/18 10:34:53.160363000 {wncd_x_R0-0}{1}: [client-orch-sm] [15753]: (ERR): MAC: 0000.0000.0000 Unable to determine vlan and switching mode. fsm_ctxt not found for client
2024/01/18 10:34:53.160441434 {wncd_x_R0-0}{1}: [client-orch-sm] [15753]: (ERR): MAC: 0000.0000.0000 Unable to determine vlan and switching mode. fsm_ctxt not found for client
2024/01/18 10:34:53.160783697 {wncd_x_R0-0}{1}: [caaa-acct] [15753]: (info): [CAAA:ACCT] Not a webauth call
2024/01/18 10:34:53.160926754 {wncd_x_R0-0}{1}: [dot11] [15753]: (debug): MAC: 3089.4a58.57cd Dot11 SAE finds ipsk progress as 0, not in pending state
2024/01/18 10:34:53.161060433 {wncd_x_R0-0}{1}: [auth-mgr] [15753]: (info): [3089.4a58.57cd:capwap_90000014] Stopped Persistent Reauth Timer for Client 3089.4a58.57cd
2024/01/18 10:34:53.422086830 {wncd_x_R0-0}{1}: [site-manager-ap] [15753]: (ERR): Failed to get flex interface name vlan table root
2024/01/18 10:34:53.436263826 {wncd_x_R0-0}{1}: [site-manager-ap] [15753]: (ERR): Failed to get first entry for vlan name-id table
2024/01/18 10:34:53.449453412 {wncd_x_R0-0}{1}: [sisf-packet] [15753]: (ERR): Unexpected IPv6 packet glean in Local-switcing mode fe80::b644:bd1:6b47:41e6 : 3089.4a58.57cd in at vlan
