동일한 SSID를 가진 여러 AP(Ruckus + Zonedirector)가 있는 공간에 있을 때만 WiFi에서 무작위로 5/10/20분마다 연결이 끊어집니다.
AP(Ruckus)가 하나만 있으면 안정적입니다.
로밍이 제대로 되지 않는 것 같습니다.
다른 우분투 버전 12.04를 시도했지만 현재 네트워크 컨트롤러가 있는 14.10: Intel Corporation Wireless 7260(rev 83)
lshw: *-network version: 83 width: 64 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.0.4-040004-generic firmware=23.15.10.0 ip=192.168.11.62 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn resources: irq:33 memory:e0400000-e0401fff
3.15, 3.16 및 3.19에서 다른 커널을 시도했고 현재 4.0.4에서는 현재 22.24.8.0에서 22.228.9, 25.17.12로 다른 펌웨어 iwlwifi를 시도했으며 현재 23.15.10에서는 또는 또는로 다른 변경을 iwlwifi.conf시도 11n_disable=1했습니다 bt_coex_active=0. iwconfig wlan0 retry short 21
나는Power Management:off/etc/modprobe.d/iwlmvm.conf options iwlmvm power_scheme=1
syslog에서:
wpa_supplicant[1152]: wlan0: CTRL-EVENT-SCAN-STARTED wpa_supplicant[1152]: nl80211: send_and_recv->nl_recvmsgs failed: -33 kernel: [13865.409620] wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by MAC_AP_RUCKUS2 NetworkManager[1115] (wlan0): disconnecting for new activation request. NetworkManager[1115]: (wlan0): device state change: activated -> disconnected (reason 'none') [100 30 0] NetworkManager[1115]: (wlan0): deactivating device (reason 'none') [0] NetworkManager[1115]: (wlan0): canceled DHCP transaction, DHCP client pid 10294 kernel: [14182.706161] wlan0: deauthenticating from MAC_AP_RUCKUS2 by local choice (Reason: 3=DEAUTH_LEAVING) wpa_supplicant[1152]: wlan0: CTRL-EVENT-DISCONNECTED bssid=MAC_AP_RUCKUS2 reason=3 locally_generated=1
dmesg:
wlan0: deauthenticating from MAC_AP_RUCKUS2 by local choice (Reason: 3=DEAUTH_LEAVING) cfg80211: Calling CRDA to update world regulatory domain cfg80211: World regulatory domain updated: cfg80211: DFS Master region: unset cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) cfg80211: Calling CRDA for country: IN cfg80211: Regulatory domain changed to country: IN cfg80211: DFS Master region: unset cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm), (0 s) cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) wlan0: authenticate with MAC_AP_RUCKUS wlan0: send auth to MAC1 (try 1/3) wlan0: authenticated RX AssocResp from MAC_AP_RUCKUS (capab=0x411 status=0 aid=3) wlan0: associated cfg80211: Calling CRDA for country: GB wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by MAC_AP_RUCKUS cfg80211: DFS Master region: unset cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm), (0 s) cfg80211: (5490000 KHz - 5710000 KHz @ 40000 KHz), (N/A, 2700 mBm), (0 s) cfg80211: (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
iw event -f:
wlan0 (phy #0): disconnected (local request) phy #0: regulatory domain change: set to world roaming by the wireless core upon initialization request regulatory domain change: set to IN by a user request wlan0 (phy #0): scan started wlan0 (phy #0): scan finished: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 5180 5200 5220 5240 5260 5280 5300 5320 5745 5765 5785 5805 5825, "" wlan0: new station MAC_RUCKUS_1 wlan0 (phy #0): auth MAC_RUCKUS_1 -> MAC_RUCKUS_2 status: 0: Successful [frame: b0 00 3c 00 5c 51 4f 55 8a 7f 6c aa b3 6d 4b 1c 6c aa b3 6d 4b 1c 00 00 00 00 02 00 00 00] wlan0 (phy #0): assoc MAC_RUCKUS_1 -> MAC_RUCKUS_2 status: 0: Successful [frame: 10 00 3c 00 5c 51 4f 55 8a 7f 6c aa b3 6d 4b 1c 6c aa b3 6d 4b 1c 10 00 11 04 00 00 03 c0 01 08 8c 12 98 24 b0 48 60 6c dd 18 00 50 f2 02 01 01 81 00 03 a4 00 00 27 a4 00 00 42 43 5e 00 62 32 2f 00 2d 1a ef 01 1b ff ff 00 00 00 00 00 00 00 00 00 00 10 00 00 00 00 04 06 46 e7 0d 00 3d 16 2c 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 30 14 01 00 00 0f ac 04 01 00 00 0f ac 04 01 00 00 0f ac 02 00 00 dd 08 00 13 92 01 00 01 05 00] wlan0 (phy #0): connected to MAC_RUCKUS_1 phy #0: regulatory domain change: set to GB by a country IE request on phy0 wlan0 (phy #0): scan started wlan0 (phy #0): scan finished: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 5180 5200 5220 5240 5260 5280 5300 5320 5500 5520 5540 5560 5580 5600 5620 5640 5660 5680 5700, "" wlan0 (phy #0): scan started wlan0 (phy #0): scan finished: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 5180 5200 5220 5240 5260 5280 5300 5320 5500 5520 5540 5560 5580 5600 5620 5640 5660 5680 5700, "" wlan0 (phy #0): scan started wlan0 (phy #0): scan finished: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 5180 5200 5220 5240 5260 5280 5300 5320 5500 5520 5540 5560 5580 5600 5620 5640 5660 5680 5700, "" wlan0 (phy #0): scan started wlan0 (phy #0): scan finished: 2412 2417 2422 2427 2432 2437 2442 2447 2452 2457 2462 2467 2472 5180 5200 5220 5240 5260 5280 5300 5320 5500 5520 5540 5560 5580 5600 5620 5640 5660 5680 5700, ""
내가 찾은 유일한 해결책은 네트워크 연결로 이동하여 여기와 같이 BSSID를 정적으로 설정하는 것입니다.https://askubuntu.com/a/40083/78090