RT-AC5300 2,4GHz speed loss on channel 5 and very instable

[HarlockP4]

Hi all,

I recently discovered that the 2,4Ghz WiFi on my RT-AC5300 (latest firmware installed) was unusable (download speed less than 1Mbit and wifi devices report no internet connection) when it automatically switch to channel 5, if I force 2,4Ghz to channel 1, all devices have no problem.
Does anybody got an explanation about this issue?

Regards

 

[bitsbytes]

for 2.4Ghz you better use channels 1,6,11,13 cause they don't overlap. as for your problem, maybe channel 5 is crowded or something in your house is using it and causing interference.

 

[HarlockP4]

for 2.4Ghz you better use channels 1,6,11,13 cause they don't overlap. as for your problem, maybe channel 5 is crowded or something in your house is using it and causing interference.

Hi,

thanks for you reply, so the auto channel feature should never be used, what about the range? 20mhz or 40mhz or auto?

Regards

 

[bitsbytes]

Hi,

thanks for you reply, so the auto channel feature should never be used, what about the range? 20mhz or 40mhz or auto?

Regards

stick to 20mhz ans yes it's better to not use auto. you can check with some apps(wifi analyzer) and find the channel with the least usage around you.

 

[HarlockP4]

thanks, do you have some raccomandation for the 2 x 5ghz wifi as well?

 

[bitsbytes]

thanks, do you have some raccomandation for the 2 x 5ghz wifi as well?

same as 2.4 don't use auto and set it on 80Mhz and use channels between 36 to 48 or 149 to 165

 

[Hawk]

Hi all,

I recently discovered that the 2,4Ghz WiFi on my RT-AC5300 (latest firmware installed) was unusable (download speed less than 1Mbit and wifi devices report no internet connection) when it automatically switch to channel 5, if I force 2,4Ghz to channel 1, all devices have no problem.
Does anybody got an explanation about this issue?

Regards

Just a correction if you have channel 13 available, you can use channel 1,5,9,13 and if only up to 11 then use 1,6,11 restriction only applies to North America. If you are in Europe or or other countries they do allow up to 13. Japan for example even allow 14, but that is the only country.

 

[HarlockP4]

thanks for the suggestions, as soon as I 'll back at home from work and I try the setup you suggested me and I'll provide you a feedback

 

[HarlockP4]

same as 2.4 don't use auto and set it on 80Mhz and use channels between 36 to 48 or 149 to 165

On 5Ghz-1 I can set up a channel between 36 and 64 but on 5Ghz-2 I can choose between 100 and 112 but leaving it on Auto, the channel is 136, am I missing something?
I just found that the channel selection restrinction is because I select 80Mhz on 5Ghz-2, if I leave it on 20Mhz/40Mhz/80Mhz, I can choose between 100 and 140, actually I selected 140

 

[Grisu]

because Asus doesnt support ch. 120-128 and 144, and 80 MHz needs a block 36-48, 52-64, 100-112, 116-128, 132-144 or 149-161.

 

[HarlockP4]

because Asus doesnt support ch. 120-128 and 144, and 80 MHz needs a block 36-48, 52-64, 100-112, 116-128, 132-144 or 149-161.

Hi, thanks for the explanation, so which settings should I use on 5Ghz-2?

 

[Grisu]

depends how fast Wifi has to be for your clients, is 20 or 40MHz bandwith limiting you somehow? If yes better use 100-112 with 80MHz.
And are there other networks around using the channels you want to use? Too much interferences will slow down more than you get with more bandwith.
Do you really need the second higher band at all?
If you use Aimesh it will be used only as backhaul with no clients on it even if you have LAN-backhaul, so it is unused anyway.

 

[HarlockP4]

depends how fast Wifi has to be for your clients, is 20 or 40MHz bandwith limiting you somehow? If yes better use 100-112 with 80MHz.
And are there other networks around using the channels you want to use? Too much interferences will slow down more than you get with more bandwith.
Do you really need the second higher band at all?
If you use Aimesh it will be used only as backhaul with no clients on it even if you have LAN-backhaul, so it is unused anyway.

20 or 40MHz is not limiting any clients that I'm aware of. Now I'm using 5GHz-2 on 80MHz and channel 112 static.
I choosed the channels avoiding other networks around, in particular for 2,4Ghz WiFi.
And you hit it, 5Ghz-2 is used as backhaul.

My Network is:
1) Modem for FTTC Connection with RT-AC5300 in DMZ, I don't use this modem for anything except connection
2) Asus RT-AC5300 as main router, AiMesh Router
3) Asus RT-AC68U AiMesh node
4) Asus RT-AC56U as media bridge connected to one of the two 5GHz WiFi, I don't remember if it's the same wifi of the backhaul, do you suggest to don't use 5GHz-2 for the media bridge connection?
5) Asus DSL-N55U Annex A connected to one of the ethernet port of RT-AC56U and configured as AP, generating wifis on different channels than RT-AC5300, should DSL-N55U be configured with WDS for better result instead of using the ethernet connection to RT-AC56U?
I see WDS got security issue, open and wep are bad to be used

 

[Grisu]

LAN connection is always prefered over WiFi. Use wifi only if there is no possibility to run an ethernet cable.
Aimesh will automatically use 5GHz-2 if there is no LAN. With LAN backhaul set Aimesh to ethernet prefered.
If you manually use media bridge or repeater mode you better choose 5GHz-2 for backhaul and let clients use 5GHz-1.

 

[HarlockP4]

LAN connection is always prefered over WiFi. Use wifi only if there is no possibility to run an ethernet cable.
Aimesh will automatically use 5GHz-2 if there is no LAN. With LAN backhaul set Aimesh to ethernet prefered.
If you manually use media bridge or repeater mode you better choose 5GHz-2 for backhaul and let clients use 5GHz-1.

Hi,

Thanks for the reply.
So AiMesh is reserving wifi 5GHz-2 by default for the backhaul, from ac5300 to ac68u. If I well understand I should use 5GHz-2 also for AC56U as media bridge, it's actually using 5GHz-1 for the connection.

 

[OzarkEdge]

Hi,

Thanks for the reply.
So AiMesh is reserving wifi 5GHz-2 by default for the backhaul, from ac5300 to ac68u. If I well understand I should use 5GHz-2 also for AC56U as media bridge, it's actually using 5GHz-1 for the connection.

Given AiMesh commandeers 5.0 GHz band2 regardless of using wired or wireless backhaul, I would expect that band2 to be unavailable for any other use.

OE

 

[HarlockP4]

Given AiMesh commandeers 5.0 GHz band2 regardless of using wired or wireless backhaul, I would expect that band2 to be unavailable for any other use.

OE

I can connect to band2 with the other clients

 

[OzarkEdge]

I can connect to band2 with the other clients

Then I wonder why everyone complains about AiMesh stealing their third band.

OE

 

[HarlockP4]

Then I wonder why everyone complains about AiMesh stealing their third band.

OE

No idea, tried right now, and I can connect, the only ssid that I cannot connect is the 5GHz one on AiMesh Node

 

[OzarkEdge]

No idea, tried right now, and I can connect, the only ssid that I cannot connect is the 5GHz one on AiMesh Node

That doesn't correlate either. You should have both bands working on the 68U node.

OE