Very unstable WiFi

yorik · November 21, 2016, 11:25pm

I highly disappointed with Omnia WiFi reliability: from time to time my devices disconnects and fail immediately connect back or stay connected by most of the packets are drops. Especially it’s bad on my tablet: from time to time it lose network and it take 2-5 minutes get connection back. Are there any way to fix? (Adding to that SFP problem and I quite ready to sell my router).

Here is log:
Nov 21 22:54:01 turris cron[17533]: (root) CMD (nethist_stats.lua)
Nov 21 22:54:01 turris cron[17534]: (root) CMD (/usr/bin/rainbow_button_sync.sh)
Nov 21 22:55:01 turris cron[17574]: (root) CMD ( /usr/bin/notifier)
Nov 21 22:55:01 turris cron[17575]: (root) CMD (/usr/bin/watchdog.sh)
Nov 21 22:55:01 turris cron[17576]: (root) CMD (/usr/bin/rainbow_button_sync.sh)
Nov 21 22:55:14 turris netifd: wan6 (2573): sh: write error: Invalid argument
Nov 21 22:56:01 turris cron[17757]: (root) CMD (/usr/bin/rainbow_button_sync.sh)
Nov 21 22:56:01 turris cron[17756]: (root) CMD (nethist_stats.lua)
Nov 21 22:57:01 turris cron[17795]: (root) CMD (/usr/bin/rainbow_button_sync.sh)
Nov 21 22:57:13 turris netifd: wan (2548): Sending renew…
Nov 21 22:57:13 turris netifd: wan (2548): Lease of XXX.XXX.XXX.XXX obtained, lease time 1800
Nov 21 22:58:01 turris cron[17905]: (root) CMD (nethist_stats.lua)
Nov 21 22:58:01 turris cron[17906]: (root) CMD (/usr/bin/rainbow_button_sync.sh)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 0 notification
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: association OK (aid 1)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 1)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-ASSOCIATE.indication(xx:xx:xx:xx:xx:xx)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: binding station to interface 'wlan1’
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 1 notification
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 1/4 msg of 4-Way Handshake
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (2/4 Pairwise)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 3/4 msg of 4-Way Handshake
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: EAPOL-Key timeout
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 3/4 msg of 4-Way Handshake
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (4/4 Pairwise)
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.1X: authorizing port
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx RADIUS: starting accounting session XXXXXXXXXXXXXXXX
Nov 21 22:58:25 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Nov 21 23:58:30 turris dnsmasq-dhcp[2640]: DHCPDISCOVER(br-lan) xx:xx:xx:xx:xx:xx
Nov 21 23:58:30 turris dnsmasq-dhcp[2640]: DHCPOFFER(br-lan) 192.168.1.101 xx:xx:xx:xx:xx:xx
Nov 21 23:58:40 turris dnsmasq-dhcp[2640]: DHCPREQUEST(br-lan) 192.168.1.101 xx:xx:xx:xx:xx:xx
Nov 21 23:58:40 turris dnsmasq-dhcp[2640]: DHCPACK(br-lan) 192.168.1.101 xx:xx:xx:xx:xx:xx android
Nov 21 22:59:12 turris netifd: wan6 (2573): sh: write error: Invalid argument
Nov 21 22:59:39 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 21 22:59:39 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 0 notification
Nov 21 22:59:39 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 21 22:59:39 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 22:59:39 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Global permanent pool: 3092/4096 (18)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Global batch pool: 0/4096 (0)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Global temporary pool: 156/4096 (3)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Buffer pool for uplink: 4/4096 (1)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Config pool: 3589/4096 (108)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Badconf: 48/4096 (1)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Bandwidth: 2744/4096 (6)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Count: 264/4096 (1)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Fake: 14176/16384 (35)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Fake log: 805/4096 (33)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Flow: 128/4096 (5)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Flow pool: 14692/16384 (325)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Flow conf pool: 2281199/2400256 (122418)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Fwup: 168/4096 (7)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: FWUp set pool 1: 0/4096 (0)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: FWUp set pool 2: 582551/610304 (31127)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Refused: 104/4096 (3)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Refuse pool 1: 38898/40960 (1650)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Refuse pool 2: 0/4096 (0)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Sniff: 44/4096 (3)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Sniffer pool: 0/4096 (0)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats: Spoof: 224/4096 (1)
Nov 21 22:59:42 turris ucollect[2337]: Mempool stats done
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 0 notification
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: association OK (aid 1)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 1)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-ASSOCIATE.indication(xx:xx:xx:xx:xx:xx)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: binding station to interface 'wlan1’
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 1 notification
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 1/4 msg of 4-Way Handshake
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (2/4 Pairwise)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 3/4 msg of 4-Way Handshake
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: EAPOL-Key timeout
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 3/4 msg of 4-Way Handshake
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (4/4 Pairwise)
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.1X: authorizing port
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx RADIUS: starting accounting session XXXXXXXXXXXXXXXX
Nov 21 22:59:42 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Nov 21 22:59:44 turris hostapd: wlan1: WPA rekeying GTK
Nov 21 22:59:44 turris hostapd: wlan1: STA 24:df:6a:33:eb:e4 WPA: sending 1/2 msg of Group Key Handshake
Nov 21 22:59:44 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 1/2 msg of Group Key Handshake
Nov 21 22:59:44 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (2/2 Group)
Nov 21 22:59:44 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: group key handshake completed (RSN)
Nov 21 22:59:45 turris hostapd: wlan1: STA 24:df:6a:33:eb:e4 WPA: received EAPOL-Key frame (2/2 Group)
Nov 21 22:59:45 turris hostapd: wlan1: STA 24:df:6a:33:eb:e4 WPA: group key handshake completed (RSN)
Nov 21 22:59:51 turris netifd: wan6 (2573): sh: write error: Invalid argument
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 0 notification
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 0 notification
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 23:00:01 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 21 23:00:02 turris watchdog: Restarted nethist
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 0 notification
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: association OK (aid 1)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 1)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-ASSOCIATE.indication(xx:xx:xx:xx:xx:xx)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: binding station to interface 'wlan1’
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 1 notification
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 1/4 msg of 4-Way Handshake
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (2/4 Pairwise)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 3/4 msg of 4-Way Handshake
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (4/4 Pairwise)
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.1X: authorizing port
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx RADIUS: starting accounting session XXXXXXXXXXXXXXXX
Nov 21 23:00:08 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)
Nov 22 00:00:09 turris dnsmasq-dhcp[2640]: DHCPDISCOVER(br-lan) xx:xx:xx:xx:xx:xx
Nov 22 00:00:09 turris dnsmasq-dhcp[2640]: DHCPOFFER(br-lan) 192.168.1.101 xx:xx:xx:xx:xx:xx
Nov 22 00:00:09 turris dnsmasq-dhcp[2640]: DHCPREQUEST(br-lan) 192.168.1.101 xx:xx:xx:xx:xx:xx
Nov 22 00:00:09 turris dnsmasq-dhcp[2640]: DHCPACK(br-lan) 192.168.1.101 xx:xx:xx:xx:xx:xx android
Nov 21 23:00:45 turris hostapd: wlan0: WPA rekeying GTK

Big_boss · November 21, 2016, 11:32pm

It looks like this is the 2.4 GHz network(wlan1). Try to look for the best channel available. Also, do change your country, if you have not changed it already.

yorik · November 22, 2016, 8:14am

I set the best channel available already, but all of them are pretty busy. Also I set correct country from the beginning, but what that could give me except of some restriction like channel 14? I compare stability with my previous router Netgear R7000. I thought that it’s quite crappy one, but it was more stable.

BTW, notice 1h difference in log msgs from different daemons, I have no idea why they have different timezones.

Perpetual · November 22, 2016, 8:20am

Did you check that antenna leads are properly connected? Earlier omnias have known issues with that.

yorik · November 22, 2016, 9:31am

I’ve checked and it looks ok for me: https://goo.gl/photos/BRvthuDTaTSffPSSA

I don’t think it’s hardware problem (unless my neighbours turns on some noise generating device), because wi-fi is fast, with no drops between reconnections. The reconnections happens couple times per day.

Big_boss · November 22, 2016, 10:17am

Could you experiment a bit with it by placing your router in the MIDDLE of your home and if you are NOT living in a apartment then maybe also bring it on the second floor and middle of your home.

What is the idea behind this experiment? When you have your Omnia close to a wall that is between you and your neighbors, those waves will hit each other more. So try to put it somewhere a bit further from it and see if you still have those problems.

If you still have those problems, try to experiment with the 5 GHz wifi-card instead and being on the 5GHz network instead. To see if the problem also occurs with that. I am not sure which tablet you have, because many like smartphones already support 5GHz. With the 5 GHz network, the chance of interference is almost 0%. There are many channels and 5GHz waves don’t go that far compared with the 2.4 GHz waves.

janskyj · November 22, 2016, 10:35am

Noise generating device can be microwave oven… …just to check.

Big_boss · November 22, 2016, 10:59am

TO continue your posts… and bluetooth, but i agree with you because he said “sometimes during the day”, which could be that the microwave oven would be the cause. Very curious if that is the culprit indeed.

Perpetual · November 22, 2016, 11:15am

2.4 GHz is a very crowded place

yorik · November 22, 2016, 11:42am

Unfortunately my flat is kinda long and I have optic socket only in furthest corner, the most distant from my working room. I will try to move it a bit just to check, but I can’t move it permanently. Also, as I mentioned before, with Netgear R7000 connection was stable with the same placement (even the speed was, I think, lower).
BTW, have you seen WAN DHCP re-lease at 23:57 just before I lost connection on my tablet at 23:58? Could it cause lan/wifi restart?

I split 5GHz and 2.4 GHz and attached the tablet to 2.4GHz especially because of longer range. 5GHz signal is very weak in my working room. And unfortunately for me that range is also crowded in my flat.

About microwave: it usually happens for me in late evening, at least I noticed it in the evening because I’m at home. I don’t think my neighbors doing anything during that time.

white · November 22, 2016, 12:33pm

Some things to check:

Check if any of your neighbours have the same SSID than you. I had weird disconnect issues on my old WLAN AP until I realised that one of my neighbours had the same SSID than I. The signal strength from my neighbour varied but it was always quite weak but despite of that it managed to cause issues.

And if you have the same SSID for 2.4 and 5 GHz try different SSIDs if it helps. For example myrouter2 and myrouter5.

yorik · November 22, 2016, 12:40pm

It’s not the case. I have quite unique SSID, and different one for 2.4 and 5GHz (before I used the same, but split it to debug connectivity issues).

Big_boss · November 22, 2016, 4:33pm

Well if you Netgear gave you a stable signal, then i am not sure what output it gave to have a descent signal.

Usually your Internet service provider gives you a router. You could connect a RJ45-cable between that router and your Omnia. That way you could change the position of you Omnia to somewhere in middle of your home. Then try to experiment with 2.4 GHz as well as the 5GHz.

You said

5GHz signal is very weak in my working room. And unfortunately for me that range is also crowded in my flat.

How is that possible? I mean it could be crowded when looking for it, but the interference is almost 0% like you said…2.4 GHz has a longer range. My advice to you is time to make the migration to the 5 GHz. 2.4 GHz is sadly too slow and too much interference now a days especially in a flat. I also live in a flat and the 5 GHz networks are like 2 that i can reach and i am the 3rd one.

markerfit · November 22, 2016, 8:46pm

System log times are messed up in my case, too. It seems that only the hour is skipped, because seconds appear chronological. Could have something to do with the timezone in my case as I’m +2 and the gap is always 2 hours:

2016-11-22T22:33:00+02:00 err kernel[]: [ 3760.903789] usb usb3-port1: Cannot enable. Maybe the USB cable is bad?
2016-11-22T20:33:01+02:00 info cron[7007]: (root) CMD (/usr/bin/rainbow_button_sync.sh)
2016-11-22T22:33:01+02:00 err kernel[]: [ 3762.113744] usb usb3-port1: Cannot enable. Maybe the USB cable is bad?

2016-11-22T21:30:50+02:00 info kernel[]: [    6.682777] hub 5-0:1.0: 1 port detected
2016-11-22T19:30:47+02:00 notice netifd[]: radio0 (1714): wlan0: interface state COUNTRY_UPDATE->HT_SCAN
2016-11-22T21:30:50+02:00 info kernel[]: [    6.688153] usbcore: registered new interface driver usb-storage

yorik · November 22, 2016, 8:48pm

Looks like some of the daemons output time in UTC (but with correct +TZ), and some in correct local timezone. For me it’s +1h which is my difference from UTC.

yorik · November 22, 2016, 9:04pm

I’ll check Netgear output later, but antennas look a bit bigger. Can they provide higher output?

I don’t have any router, but I still have media converter. But SFP in omnia was the main feature for me because I want to rid of the media converter. I’ll move omnia closer to the center of my flat, but if it helps then I will have to find another solution. My set up requires main network device to be in that corner: I have media server, receiver and projector which hardly possible to move.

5GHz range: https://goo.gl/photos/i3qUGgvisDNYrhgh6 so there is at least one another network on any legally available channel. But it much better than 2.4GHz. Probably I just unlucky.

Big_boss · November 22, 2016, 9:17pm

What is the distance from your working room to the Omnia-router? And how many walls/windows/doors are between them?

A “better” antenna…what i mean by better, is a antenna with a higher dBi, can just extend the range, but it doesn’t mean it could be “better”.

Here you have a good explanation

https://rcexplorer.se/projects/2009/06/understanding-antenna-gain/

adminX · November 22, 2016, 9:19pm

There are 7 in total and schnabel seems to be a wave2 wifi even newer than the Omnia. But the point is less range. Less range means less interference from others. Additionally most 5 GHz consumer devices are ac devices and implement additional channel alignment rules.

Because of missing TPC the maximum power output gets halved for some channels in some regulations. Sometimes this happens even when it is not needed.

Rule of thumb for me is a quarter of range at the same transmit power as 2.4GHz.

yorik · November 22, 2016, 9:20pm

BTW, exactly the same happened again with my laptop when I was sitting in from of the router: wan getting new lease and I’m loosing my wifi connection. I think there is a serious bug in network management script which causes restart of everything on any change.

Logs:
Nov 22 21:12:21 turris netifd: wan (2548): Sending renew…
Nov 22 21:12:21 turris netifd: wan (2548): Lease of XXX.XXX.XXX.XXX obtained, lease time 1800
Nov 22 21:12:48 turris netifd: wan6 (2573): sh: write error: Invalid argument
Nov 22 21:13:49 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 3 notification
Nov 22 21:13:49 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.1X: unauthorizing port
Nov 22 21:13:49 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: deauthenticated
Nov 22 21:13:49 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DEAUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, 3)
Nov 22 21:13:49 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authentication OK (open system)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-AUTHENTICATE.indication(xx:xx:xx:xx:xx:xx, OPEN_SYSTEM)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: authenticated
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: association OK (aid 2)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: associated (aid 2)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-ASSOCIATE.indication(xx:xx:xx:xx:xx:xx)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx MLME: MLME-DELETEKEYS.request(xx:xx:xx:xx:xx:xx)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.11: binding station to interface 'wlan1’
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: event 1 notification
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: start authentication
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.1X: unauthorizing port
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 1/4 msg of 4-Way Handshake
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (2/4 Pairwise)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: sending 3/4 msg of 4-Way Handshake
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: received EAPOL-Key frame (4/4 Pairwise)
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx IEEE 802.1X: authorizing port
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx RADIUS: starting accounting session XXXXXXXXXXXXXXXX
Nov 22 21:13:50 turris hostapd: wlan1: STA xx:xx:xx:xx:xx:xx WPA: pairwise key handshake completed (RSN)

Big_boss · November 22, 2016, 9:27pm

I was thinking, isn’t it better to have “directional antenna’s” instead of omni-antenna’s?

I mean If you live in a flat and you have your Omnia in a fixed position in the corner of the flat. So then have 3 directional antennas that send the signal through the rest of your own home.