"AP is not reporting statistics" / "unsupported item(s)" problem when AP have no clients

[GMichu]

I'm using the UAP-AC-LR, UAP-nanoHD, U6-Pro access points.
When the device does not currently have any client connected, zabbix raises one of the problems:
AP has unsupported item(s).
AP AP is not reporting statistics

I believe it's due to preprocessing rule on "mca-dump" item:

Full error message:
{ "at":"11:11:41", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radio_table | map(select(.athstats.cu_total>0)) | length>0 ) ", "device":"10.1.1.21", "mcaDumpError":"Error" }

I would expect that the lack of connected clients would not cause a problem. In such case, it would be nice to still collect statistics on channel interference etc

[GMichu]

It might be the same issue as in #96

[patricegautier]

Interesting.. I don't see the same issue on APs without clients here. Could you send the output of the mca-dump script?

[patricegautier]

Also are there any active radios on that AP?

[GMichu]

Here is output of the script:
sudo -u zabbix ./mca-dump-short.sh -d 10.1.1.14 -P 22 -u admin -i /etc/zabbix/ssh_keys/zb_id_rsa -t AP -o 20 -b { "at":"10:42:07", "r":"validationError: .vap_table? != null and .radio_table != null and ( .radio_table | map(select(.athstats.cu_total>0)) | length>0 ) ", "device":"10.1.1.14", "mcaDumpError":"Error" }

Here is the dump of "output" variable https://github.com/patricegautier/unifiZabbix/blob/master/mca-dump-short.sh#L359
{ "anon_id": "67071874-fbc0-403c-8059-b9156c34bb09", "antenna_table": [ { "default": true, "id": 4, "name": "Combined", "ra0_gain": 3, "rai0_gain": 3 } ], "architecture": "mips", "ble_caps": 1, "board_rev": 16, "bootid": 0, "bootrom_version": "v1.1.46.77", "cfgversion": "71d78393f0682546", "connect_request_ip": "10.1.1.14", "connect_request_port": "59673", "country_code": 0, "countrycode_table": [], "default": false, "discovery_response": false, "dualboot": true, "ever_crash": false, "fingerprint_req": true, "fw_caps": 2818506559, "gateway_ip": "10.1.0.1", "gateway_mac": "redacted", "guest_kicks": 0, "guest_token": "DE29193FABA5D725E56E4BA09519CB69", "has_eth1": false, "has_speaker": false, "hash_id": "c059b9156c34bb09", "hostname": "redacted", "hw_caps": 2048, "if_table": [ { "full_duplex": true, "ip": "0.0.0.0", "mac": "redacted", "name": "eth0", "netmask": "0.0.0.0", "num_port": 1, "rx_bytes": 4178490232, "rx_dropped": 11052, "rx_errors": 0, "rx_multicast": 0, "rx_packets": 281768839, "speed": 1000, "tx_bytes": 1371244051, "tx_dropped": 0, "tx_errors": 0, "tx_packets": 45511747, "up": true } ], "inform_ip": "10.1.0.13", "inform_min_interval": 1, "inform_url": "redacted", "internet": true, "ip": "10.1.1.14", "isolated": false, "kernel_version": "4.4.153", "last_error_conns": [ { "error_reason": 6, "last_error_str": "Not Adopted (redacted)", "last_managed_e_time": 0, "last_managed_s_time": 9218689, "timestamp": "Thu Apr 20 05:35:34 2023" } ], "lldp_table": [ redacted ], "locating": false, "mac": "redacted", "manufacturer_id": 4, "model": "U7NHD", "model_display": "UAP-nanoHD", "netmask": "255.255.252.0", "port_table": [ { "autoneg": false, "enable": true, "flowctrl_rx": false, "flowctrl_tx": false, "full_duplex": true, "is_uplink": true, "jumbo": false, "mac_table": [redacted], "media": "GE", "poe_caps": 0, "port_idx": 0, "port_poe": false, "rx_broadcast": 59949390, "rx_bytes": 103147410152, "rx_dropped": 0, "rx_errors": 0, "rx_multicast": 123564051, "rx_packets": 284516682, "speed": 1000, "stp_pathcost": 0, "stp_state": "disabled", "tx_broadcast": 37938, "tx_bytes": 36491627657, "tx_dropped": 0, "tx_errors": 0, "tx_multicast": 866325, "tx_packets": 51706969, "up": true } ], "radio_table": [ { "athstats": { "ast_ath_reset": 0, "ast_be_xmit": 0, "ast_cst": 0, "ast_deadqueue_reset": 0, "ast_fullqueue_stop": 0, "ast_txto": 0, "ce_send_fail_cnt": 0, "cu_interf": 0, "cu_self_rx": 0, "cu_self_tx": 0, "cu_total": 0, "invalid_mac_addr_cnt": 0, "n_rx_aggr": 0, "n_rx_pkts": 0, "n_tx_bawadv": 0, "n_tx_bawretries": 0, "n_tx_pkts": 0, "n_tx_queue": 0, "n_tx_retries": 0, "n_tx_xretries": 0, "n_txaggr_compgood": 0, "n_txaggr_compretries": 0, "n_txaggr_compxretry": 0, "n_txaggr_prepends": 0, "name": "ra0", "noise_floor": 0, "satisfaction": -1, "satisfaction_now": -1, "satisfaction_real": -1, "timeout_waiting_for_vap_cnt": 0 }, "builtin_ant_gain": 0, "builtin_antenna": true, "ieee_modes": 10, "max_txpower": 23, "min_txpower": 6, "name": "ra0", "nss": 2, "radio": "ng", "radio_caps": 147476, "radio_caps2": 11, "scan_table": [] }, { "athstats": { "ast_ath_reset": 0, "ast_be_xmit": 213133763, "ast_cst": 0, "ast_deadqueue_reset": 0, "ast_fullqueue_stop": 0, "ast_txto": 0, "ce_send_fail_cnt": 0, "cu_interf": 0, "cu_self_rx": 0, "cu_self_tx": 0, "cu_total": 0, "invalid_mac_addr_cnt": 0, "n_rx_aggr": 797181, "n_rx_pkts": 38617229, "n_tx_bawadv": 0, "n_tx_bawretries": 0, "n_tx_pkts": 80094221, "n_tx_queue": 621699, "n_tx_retries": 0, "n_tx_xretries": 621699, "n_txaggr_compgood": 0, "n_txaggr_compretries": 0, "n_txaggr_compxretry": 0, "n_txaggr_prepends": 0, "name": "rai0", "noise_floor": -92, "satisfaction": -1, "satisfaction_now": -1, "satisfaction_real": -1, "timeout_waiting_for_vap_cnt": 0 }, "builtin_ant_gain": 3, "builtin_antenna": true, "has_dfs": true, "has_fccdfs": true, "has_ht160": true, "ieee_modes": 21, "is_11ac": true, "max_txpower": 26, "min_txpower": 6, "name": "rai0", "nss": 4, "radio": "na", "radio_caps": 251805700, "radio_caps2": 11, "scan_table": [] } ], "required_version": "0.0.1", "satisfaction": -1, "satisfaction_now": -1, "satisfaction_real": -1, "scan_radio_table": [], "selfrun_beacon": true, "serial": "redacted", "spectrum_scanning": false, "ssh_session_table": [], "state": 2, "stats_inform_interval": 1, "stream_token": "", "support_wifi6e": false, "switch_caps": { "feature_caps": 32, "max_aggregate_sessions": 0, "max_l3_intf": 0, "max_mirror_sessions": 0, "max_reserved_routes": 0, "max_static_routes": 0 }, "sys_error_caps": 0, "sys_stats": { "loadavg_1": "0.59", "loadavg_15": "0.56", "loadavg_5": "0.59", "mem_buffer": 0, "mem_total": 127336448, "mem_used": 56422400 }, "system-stats": { "cpu": "0.8", "mem": "44.4", "uptime": "10935947" }, "time": 1683277432, "time_ms": 64, "tm_ready": true, "uplink": "eth0", "uptime": 10935947, "vap_table": [ { "anomalies_bar_chart": { "high_disconnect_count": 0, "high_dns_latency": 0, "high_icmp_rtt": 0, "high_tcp_latency": 0, "high_tcp_packet_loss": 0, "high_wifi_latency": 0, "high_wifi_retries": 0, "low_phy_rate": 0, "no_dhcp_response": 0, "poor_stream_eff": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_dns_timeout": 0, "sta_ip_timeout": 0, "weak_signal": 0 }, "anomalies_bar_chart_now": { "high_disconnect_count": 0, "high_dns_latency": 0, "high_icmp_rtt": 0, "high_tcp_latency": 0, "high_tcp_packet_loss": 0, "high_wifi_latency": 0, "high_wifi_retries": 0, "low_phy_rate": 0, "no_dhcp_response": 0, "poor_stream_eff": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_dns_timeout": 0, "sta_ip_timeout": 0, "weak_signal": 0 }, "avg_client_signal": 0, "bssid": "redacted", "bw": 40, "ccq": 0, "channel": 40, "dns_avg_latency": -1, "essid": "redacted", "extchannel": -1, "icmp_avg_rtt": -1, "id": "559d44f071b08cb47ddcf265", "mac_filter_rejections": 0, "name": "rai1", "num_satisfaction_sta": 0, "num_sta": 0, "radio": "na", "radio_name": "rai0", "reasons_bar_chart": { "no_dhcp_response": 0, "phy_rate": 0, "signal": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_disconnects": 0, "sta_dns_latency": 0, "sta_dns_timeout": 0, "sta_icmp_rtt": 0, "sta_ip_timeout": 0, "stream_eff": 0, "tcp_latency": 0, "tcp_packet_loss": 0, "wifi_latency": 0, "wifi_retries": 0 }, "reasons_bar_chart_now": { "no_dhcp_response": 0, "phy_rate": 0, "signal": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_disconnects": 0, "sta_dns_latency": 0, "sta_dns_timeout": 0, "sta_icmp_rtt": 0, "sta_ip_timeout": 0, "stream_eff": 0, "tcp_latency": 0, "tcp_packet_loss": 0, "wifi_latency": 0, "wifi_retries": 0 }, "rx_bytes": 2731757856, "rx_crypts": 0, "rx_dropped": 0, "rx_errors": 0, "rx_frags": 0, "rx_nwids": 0, "rx_packets": 33851633, "rx_tcp_stats": { "goodbytes": 0, "lat_avg": 0, "lat_max": -1, "lat_min": -1, "lat_samples": 0, "lat_sum": 0, "retries": 0, "stalls": 0 }, "satisfaction": -1, "satisfaction_now": -1, "satisfaction_real": -1, "sta_table": [], "state": "RUN", "tx_bytes": 1179901841, "tx_combined_retries": 0, "tx_data_mpdu_bytes": 0, "tx_dropped": 621810, "tx_errors": 621699, "tx_packets": 67980095, "tx_power": 18, "tx_retries": 0, "tx_rts_retries": 0, "tx_success": 0, "tx_tcp_stats": { "goodbytes": 0, "lat_avg": 0, "lat_max": -1, "lat_min": -1, "lat_samples": 0, "lat_sum": 0, "retries": 0, "stalls": 0 }, "tx_total": 0, "up": true, "usage": "user", "wifi_tx_attempts": 0, "wifi_tx_dropped": 0 }, { "anomalies_bar_chart": { "high_disconnect_count": 0, "high_dns_latency": 0, "high_icmp_rtt": 0, "high_tcp_latency": 0, "high_tcp_packet_loss": 0, "high_wifi_latency": 0, "high_wifi_retries": 0, "low_phy_rate": 0, "no_dhcp_response": 0, "poor_stream_eff": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_dns_timeout": 0, "sta_ip_timeout": 0, "weak_signal": 0 }, "anomalies_bar_chart_now": { "high_disconnect_count": 0, "high_dns_latency": 0, "high_icmp_rtt": 0, "high_tcp_latency": 0, "high_tcp_packet_loss": 0, "high_wifi_latency": 0, "high_wifi_retries": 0, "low_phy_rate": 0, "no_dhcp_response": 0, "poor_stream_eff": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_dns_timeout": 0, "sta_ip_timeout": 0, "weak_signal": 0 }, "avg_client_signal": 0, "bssid": "redacted", "bw": 40, "ccq": 0, "channel": 40, "dns_avg_latency": -1, "essid": "redacted", "extchannel": -1, "icmp_avg_rtt": -1, "id": "55e56b4c71b08cb47ddd9057", "mac_filter_rejections": 0, "name": "rai0", "num_satisfaction_sta": 0, "num_sta": 0, "radio": "na", "radio_name": "rai0", "reasons_bar_chart": { "no_dhcp_response": 0, "phy_rate": 0, "signal": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_disconnects": 0, "sta_dns_latency": 0, "sta_dns_timeout": 0, "sta_icmp_rtt": 0, "sta_ip_timeout": 0, "stream_eff": 0, "tcp_latency": 0, "tcp_packet_loss": 0, "wifi_latency": 0, "wifi_retries": 0 }, "reasons_bar_chart_now": { "no_dhcp_response": 0, "phy_rate": 0, "signal": 0, "sleepy_client": 0, "sta_arp_timeout": 0, "sta_disconnects": 0, "sta_dns_latency": 0, "sta_dns_timeout": 0, "sta_icmp_rtt": 0, "sta_ip_timeout": 0, "stream_eff": 0, "tcp_latency": 0, "tcp_packet_loss": 0, "wifi_latency": 0, "wifi_retries": 0 }, "rx_bytes": 1201068771, "rx_crypts": 0, "rx_dropped": 1021103, "rx_errors": 1034, "rx_frags": 0, "rx_nwids": 0, "rx_packets": 4765596, "rx_tcp_stats": { "goodbytes": 0, "lat_avg": 0, "lat_max": -1, "lat_min": -1, "lat_samples": 0, "lat_sum": 0, "retries": 0, "stalls": 0 }, "satisfaction": -1, "satisfaction_now": -1, "satisfaction_real": -1, "sta_table": [], "state": "RUN", "tx_bytes": 1129671713, "tx_combined_retries": 0, "tx_data_mpdu_bytes": 0, "tx_dropped": 55, "tx_errors": 0, "tx_packets": 12114126, "tx_power": 18, "tx_retries": 0, "tx_rts_retries": 0, "tx_success": 0, "tx_tcp_stats": { "goodbytes": 0, "lat_avg": 0, "lat_max": -1, "lat_min": -1, "lat_samples": 0, "lat_sum": 0, "retries": 0, "stalls": 0 }, "tx_total": 0, "up": true, "usage": "guest", "wifi_tx_attempts": 0, "wifi_tx_dropped": 0 } ], "version": "6.2.49.14111", "wifi_caps": 18792157 }

Here is the same AP in unifi network console:

[patricegautier]

Ok I see the problem..

[patricegautier]

Ok try the latest - lmk if it doesn't fix the issue..