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Standard User ukhardy07
(knowledge is power) Mon 04-Feb-19 21:36:43
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
Have you tried the router on AUTO?

A fixed channel is not a great idea in today's climate where we have Bluetooth keyboard, baby monitors, headphones (Apple AirPods, beats x etc), mice, etc which all use 2.4Ghz.

Check out 1 and 6...See how you get on.
Standard User jingerman
(newbie) Mon 04-Feb-19 21:44:31
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: ukhardy07] [link to this post]
 
In reply to a post by ukhardy07:
Have you tried the router on AUTO?

A fixed channel is not a great idea in today's climate where we have Bluetooth keyboard, baby monitors, headphones (Apple AirPods, beats x etc), mice, etc which all use 2.4Ghz.

Check out 1 and 6...See how you get on.


Gonna do that now. thanks
Standard User jingerman
(newbie) Tue 05-Feb-19 14:54:47
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
In reply to a post by jingerman:
In reply to a post by ukhardy07:
Have you tried the router on AUTO?

A fixed channel is not a great idea in today's climate where we have Bluetooth keyboard, baby monitors, headphones (Apple AirPods, beats x etc), mice, etc which all use 2.4Ghz.

Check out 1 and 6...See how you get on.


Gonna do that now. thanks

It chose channel 13 in auto. lol


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Standard User ukhardy07
(knowledge is power) Tue 05-Feb-19 17:09:59
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
Odd, devices do not typically do that...

Pop it on 1 or 6 manually.
Standard User jingerman
(newbie) Tue 05-Feb-19 22:33:42
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: ukhardy07] [link to this post]
 
In reply to a post by ukhardy07:
Odd, devices do not typically do that...

Pop it on 1 or 6 manually.


Then it will be same as 8 surrounding channels.
Standard User ukhardy07
(knowledge is power) Tue 05-Feb-19 23:11:02
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
& right now you have co channel congestion as you are using 13 which "overlaps" with 11. The only channels you should opt for are 1, 6 or 11. Most devices follow this rule.

Since 13 is performing poorly, it indicates 11 is likely to also be poor since they are overlapping channels. Hence, let's try to move away from 11. The only way to do that is 1 of 6.

Having several WiFi points on the same channel is how the specification is designed. Performance is best when all Wi-fi routers use 1, 6 and 11.

I have 30+ APs in range of my office, all except 1 is on 1 6 and 11. Works acceptably.
Standard User jingerman
(newbie) Tue 05-Feb-19 23:19:09
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: ukhardy07] [link to this post]
 
In reply to a post by ukhardy07:
& right now you have co channel congestion as you are using 13 which "overlaps" with 11. The only channels you should opt for are 1, 6 or 11. Most devices follow this rule.

Since 13 is performing poorly, it indicates 11 is likely to also be poor since they are overlapping channels. Hence, let's try to move away from 11. The only way to do that is 1 of 6.

Having several WiFi points on the same channel is how the specification is designed. Performance is best when all Wi-fi routers use 1, 6 and 11.

I have 30+ APs in range of my office, all except 1 is on 1 6 and 11. Works acceptably.


I'll stick it on 6 first.
Standard User jingerman
(newbie) Tue 05-Feb-19 23:22:44
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
Heres my log from router showed red !

Feb 4 09:22:46 kernel: br0: port 3(rai0) entered disabled state
Feb 4 09:22:47 kernel: br0: port 3(rai0) entered listening state
Feb 4 09:23:02 kernel: br0: port 3(rai0) entered learning state
Feb 4 09:23:17 kernel: br0: topology change detected, propagating
Feb 4 09:23:17 kernel: br0: port 3(rai0) entered forwarding state
Feb 4 09:24:51 kernel: br0: port 3(rai0) entered disabled state
Feb 4 09:24:53 kernel: br0: port 3(rai0) entered listening state
Feb 4 09:25:08 kernel: br0: port 3(rai0) entered learning state
Feb 4 09:25:23 kernel: br0: topology change detected, propagating
Feb 4 09:25:23 kernel: br0: port 3(rai0) entered forwarding state
Feb 4 09:45:02 kernel: br0: port 3(rai0) entered disabled state
Feb 4 09:45:06 kernel: ch1 bssid=80:26:89:71:52:a2
Feb 4 09:45:06 kernel: ch1 bssid=0c:f9:c0:63:d7:06
Feb 4 09:45:06 kernel: ch1 bssid=f4:8e:92:08:55:94
Feb 4 09:45:06 kernel: ch6 bssid=52:0d:10:9d:0c:61
Feb 4 09:45:06 kernel: ch6 bssid=b8:a1:75:32:26:4f
Feb 4 09:45:06 kernel: ch6 bssid=24:20:c7:61:bb:fc
Feb 4 09:45:06 kernel: ch6 bssid=c0:05:c2:99:6b:09
Feb 4 09:45:06 kernel: ch6 bssid=40:0d:10:9d:0c:61
Feb 4 09:45:06 kernel: ch6 bssid=24:a7:dc:55:c8:fa
Feb 4 09:45:06 kernel: ch6 bssid=d2:05:c2:99:6b:09
Feb 4 09:45:06 kernel: ch11 bssid=48:d3:43:ef:52:b1
Feb 4 09:45:06 kernel: ch11 bssid=5a:d3:43:ef:52:b1
Feb 4 09:45:06 kernel: =====================================================
Feb 4 09:45:06 kernel: Channel 1 : Dirty = 210, False CCA = 181, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 2 : Dirty = 236, False CCA = 680, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 3 : Dirty = 252, False CCA = 40, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 4 : Dirty = 268, False CCA = 54, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 5 : Dirty = 284, False CCA = 421, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 6 : Dirty = 490, False CCA = 147, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 7 : Dirty = 264, False CCA = 155, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 8 : Dirty = 244, False CCA = 86, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 9 : Dirty = 224, False CCA = 35, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 10 : Dirty = 204, False CCA = 170, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 11 : Dirty = 140, False CCA = 150, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 12 : Dirty = 64, False CCA = 80, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: Channel 13 : Dirty = 56, False CCA = 70, Busy Time = 0, Skip Channel = FALSE
Feb 4 09:45:06 kernel: =====================================================
Feb 4 09:45:06 kernel: Rule 1 CCA value : Min Dirtiness ==> Select Channel 13
Feb 4 09:45:06 kernel: Min Dirty = 56
Feb 4 09:45:06 kernel: ExChannel = 9 , 0
Feb 4 09:45:06 kernel: BW = 40
Feb 4 09:45:06 kernel: br0: port 3(rai0) entered listening state
Feb 4 09:45:21 kernel: br0: port 3(rai0) entered learning state
Feb 4 09:45:36 kernel: br0: topology change detected, propagating
Feb 4 09:45:36 kernel: br0: port 3(rai0) entered forwarding state
Feb 4 10:05:06 RT-N56U: Hardware NAT/Routing: Enabled, IPoE/PPPoE offload [WAN]<->[LAN/WLAN]
Feb 4 10:05:06 RT-N56U: Hardware NAT/Routing: IPv4 UDP flow offload - OFF
Feb 4 10:06:36 RT-N56U: Hardware NAT/Routing: Enabled, IPoE/PPPoE offload [WAN]<->[LAN/WLAN]
Feb 4 10:06:36 RT-N56U: Hardware NAT/Routing: IPv4 UDP flow offload - OFF
Feb 4 11:12:54 NTP Client: Synchronizing time to time.nist.gov.
Feb 4 11:13:17 NTP Client: System time changed, offset: 1.211313s
Feb 4 20:29:57 RT-N56U: Hardware NAT/Routing: Enabled, IPoE/PPPoE offload [WAN]<->[LAN/WLAN]
Feb 4 20:29:57 RT-N56U: Hardware NAT/Routing: IPv4 UDP flow offload - OFF
Feb 5 09:59:36 RT-N56U: Hardware NAT/Routing: Enabled, IPoE/PPPoE offload [WAN]<->[LAN/WLAN]
Feb 5 09:59:36 RT-N56U: Hardware NAT/Routing: IPv4 UDP flow offload - OFF
Feb 5 11:12:56 NTP Client: Synchronizing time to pool.ntp.org.
Feb 5 11:12:58 NTP Client: System time changed, offset: 1.214913s
Feb 5 11:19:51 kernel: br0: port 3(rai0) entered disabled state
Feb 5 11:19:52 kernel: br0: port 3(rai0) entered listening state
Feb 5 11:20:07 kernel: br0: port 3(rai0) entered learning state
Feb 5 11:20:22 kernel: br0: topology change detected, propagating
Feb 5 11:20:22 kernel: br0: port 3(rai0) entered forwarding state
Standard User jingerman
(newbie) Tue 05-Feb-19 23:27:59
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
https://www.thinkbroadband.com/_assets/speedtest/but...

Since changing to ch 6

I always usually get 40+mb n 5.9 ul. but its crippling as you can see.

Edited by jingerman (Tue 05-Feb-19 23:29:30)

Standard User ukhardy07
(knowledge is power) Tue 05-Feb-19 23:37:36
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Re: Wifi Dropped only on.2.4GHz, 5ghz working Fine.


[re: jingerman] [link to this post]
 
Great... if everyone took your approach and used overlapping channels throughout would grind to a halt much quicker.

The issue in basic terms is WiFi bonds together multiple channels to get faster speeds...

channel 1 overlaps with 2 and 3.

6 overlaps with 4,5,7,8

11 overlaps with 9,10,12,13

When you have 3 devices on channel 11, they try to work nicely together by "waiting" between transmissions for the other APs transmissions to complete.

However if you have 2 devices on 11 and 1 on channel 13, the 2 devices on 11 try to work nicely together, however the device on 13 is not "seen." Hence the device on 13 will transmit at the same time as devices on 11, packets will collide in the air and not reach the destination (eg laptop phone etc).

The packet will require being resent, hence now there is twice as much wireless traffic as the packet is retransmitted. If it collides again, that's 3x etc. Eventually everything grinds to a halt as data is just retransmitted over and over, never getting where it needs.
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