WRT310N v2 DD-WRT Wireless Repeater Crazy

February 27, 2016 at 02:17:18
Specs: windows 10, 8gb
I set up my WRT310N v2 with DD-WRT to be a Wireless Repeater using the below guide except I created a virtual wireless interface which for some reason wasn't in that guide so I could connect wireless devices (the point of it all).

https://www.dd-wrt.com/wiki/index.p...

It worked for a couple months and then devices were dropping left and right. I reset the device and reset the settings.

Everything works with no issues as long as I don't set any wireless security for the virtual interface. With no security on the virtual interface though anyone can jump on the repeater.


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#1
February 27, 2016 at 07:27:18
virtual wireless interface - not familiar with this term/approach...

Can you explain it more clearly - if only for my edukayshun (please)?

The guide to which you refer seems pretty complete to me; and (in the past) having set up a second router as an extender (wifi/ethernet) I can't see why you need to get anymore complicated than as in the guide?


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#2
February 27, 2016 at 16:05:58
What wireless security did you try?
According the instructions only WEP and WPA2-AES works:

Open the Wireless -> Wireless Security tab

Physical Interface Section:
Security Mode : Must Match Primary Router and DD-wrt only works reliably with WEP or WPA2-AES
WPA Algorithms : Must Match Primary Router
WPA Shared Key : Must Match Primary Router
Key Renewal Interval (in seconds) : Leave default

Virtual Interfaces Section (note: if you don't see this section your firmware should be at least v24-sp2)
Security Mode : Must Match Physical Interface
WPA Algorithms : Must Match Physical Interface
WPA Shared Key : Must Match Physical Interface
Key Renewal Interval (in seconds) : Leave default
Save


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#3
February 27, 2016 at 20:20:33
@trvlr
If you set it up without using a virtual interface/different SSID then how does your device know how to connect to the repeater and not your main router?

@Sluc
That is exactly how I set it up with the security being WPA2 Mixed as per the main router.

If I disable the virtual security everything works but the repeater shows as not having security and you can connect right to it even though the Physical Interface Section has security set up.

If I enable the virtual security the repeater pops in and out of the available networks and when you try to connect, it just disappears.


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Related Solutions

#4
February 28, 2016 at 02:50:31
The manual stated that WPA2 Mixed will most likely kill the communication.

13. Once you have it working, go to the wireless security tab, and set the same type of security AND key for both the primary and the repeater ssids and hit apply. Avoid WPA2 Personal MIXED, as it will likely kill communication between the routers (see Security section below for more on this). WPA2 Personal is fine.

Security

Dd-wrt will often not work unless BOTH the primary router and the secondary router use wpa2-aes security ONLY. Wep will also often work, but it is not secure.


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#5
February 28, 2016 at 23:24:50
Sorry for the confusion what I meant by mixed was... WPA2 Personal and selected (TKIP+AES) on the repeater.

I assumed this would work since the above as you posted says "WPA2 Personal is fine." and my router's option is set to WPA-PSK (TKIP)/WPA2-PSK (AES).

So it is set up as follows:

MAIN ROUTER
SSID: ATT513
SSID: Broadcast Enabled
Wireless Channel : 1
Wireless Security Enabled
Authentication Type: WPA-PSK (TKIP)/WPA2-PSK (AES)
Wireless Key: All 3 use the same password

ON THE REPEATER:

Physical Interface
SSID: ATT513
SSID: Broadcast Enabled
Wireless Channel : 1
Wireless Security: Enabled
Authentication Type: WPA2 Personal (TKIP+AES)
Wireless Key: All 3 use the same password

Virtual Interface
SSID: ATT513-2
SSID: Broadcast Enabled
Wireless Channel : 1
Wireless Security: Enabled
Authentication Type: WPA2 Personal (TKIP+AES)
Wireless Key: All 3 use the same password


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#6
February 28, 2016 at 23:45:19
Is there a reason why you need Authentication Type: WPA-PSK (TKIP)/WPA2-PSK (AES)?

As stated in the Wiki: Dd-wrt will often not work unless BOTH the primary (your MAIN) router and the secondary (your REPEATER) router use WPA2-AES security ONLY


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#7
February 29, 2016 at 02:03:37
If all my devices support just WPA2 AES only I have no problem switching. I just figured 2 things...

1. WPA-PSK (TKIP)/WPA2-PSK (AES) was to support all devices

2. this setup worked for two months until I tried to change the channel setting on the router/repeater because I had too much overlap.

Ah well, I will go through each Security type and see if any work. Thank you for the idea bouncing and help.


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#8
March 2, 2016 at 20:50:36
Well it was a no go.... sigh. I changed everything to the below and through a wired connection it says I have no internet. The wireless devices cant even see the Repeater.

I tried changing the Advanced Routing setting from Router back to Gateway and then the wireless devices could see the repeater but like the wired computer there was no internet.

I just don't understand how this goes from working to COMPLETELY not working.

MAIN ROUTER
SSID: ATT513
SSID: Broadcast Enabled
Wireless Channel : 1
Wireless Security Enabled
Authentication Type: WPA2-PSK (AES)
Wireless Key: All 3 use the same password

ON THE REPEATER:

Physical Interface
SSID: ATT513
SSID: Broadcast Enabled
Wireless Channel : 1
Wireless Security: Enabled
Authentication Type: WPA2 Personal (AES)
Wireless Key: All 3 use the same password

Virtual Interface
SSID: ATT514
SSID: Broadcast Enabled
Wireless Channel : 1
Wireless Security: Enabled
Authentication Type: WPA2 Personal (AES)
Wireless Key: All 3 use the same password


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#9
March 3, 2016 at 18:11:46
I think the virtual interface should have a different channel
Or is there an "auto channel" setting?

Virtual Interface
SSID: ATT514
SSID: Broadcast Enabled
Wireless Channel : 5
Wireless Security: Enabled
Authentication Type: WPA2 Personal (AES)
Wireless Key: All 3 use the same password



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#10
March 5, 2016 at 02:17:15
It was working with the same channel for 2 months and if I disable the Wireless security on the Virtual Interface it works.

Besides that, once you switch it to Repeater mode it detects the channel of the Main router and sets it to the same.


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#11
May 9, 2016 at 20:17:52
@Toolpunk - did you find a fix for this one? Facing exactly the same issue

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#12
August 4, 2016 at 16:36:54
Sorry, I never did find a fix. My guess at the end was that maybe there were too many routers in my area with overlapping channels? Not sure but through many different settings the two (router and repeater) just would not operate together anymore.

I also suspected the ATT wireless router/modem was failing too though because our internet started going in and out. Since then I have switched ISP and no longer require the repeater.


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