Dir-880L 30 days of wifi

Carnagerover · Jun 24, 2015

Hi all,

This router has been the most stable router I have used for a few used having used Asus and Netgear more recently. It's rock stable for 30 days or so a wireless device will no longer be able to connect until the router is rebooted.

Here is a list of my wireless devices;

iPad 2
iPad 3
iPad Air 2
iPhone 4s
iPhone 5s
Apple TV 3
Logitech Harmony Hub
Wii - U
Nintendo 3DS

Any ideas on what the issue could be?

stevech · Jun 24, 2015

what issue is there?

many years of WiFi, for me. I've never had a router that needed rebooting to work. But I've avoided Netgear, D-Link, and no-name.
Used Linksys (way back), Cradlepoint (4G cellular fallback), ASUS of late.

TonyH · Jun 24, 2015

stevech said:
what issue is there?

many years of WiFi, for me. I've never had a router that needed rebooting to work. But I've avoided Netgear, D-Link, and no-name.
Used Linksys (way back), Cradlepoint (4G cellular fallback), ASUS of late.

Is the router running hot by any chance? Or one device can hose up the router (one of the 9 devices could a culprit)

Carnagerover · Jun 25, 2015

TonyH said:
Is the router running hot by any chance? Or one device can hose up the router (one of the 9 devices could a culprit)

The router sits on a bookshelf out in the open, it is warm on the bottom but pretty cool on top. Could it be the constant disconnect and reconnect of Apple products that causes an issue build up over time with DHCP? I have had this sort of think happen on other routers. I've never been truly stable with wifi, I have a smart switch that has over 300 days uptime but never so lucky with wifi.

Carnagerover · Jun 27, 2015

Any know more about this issue, happened again today. iPhone 5s can no longer connect, all other devices still work fine. Reboot router and the 5s connects again?

stevech · Jun 28, 2015

iPhone detected the non-Apple WiFi and committed suicide.

Cheer up. This household has

iPhone 5 (hers)
iPad (hers) Heavily used.
HTC One Android phone (his)
Android tablet (his)
Wired destktop, laptop (his)

I've had these using WiFi routers from Cradlepoint, Linksys, and 2x ASUS. All stable, reliable.
[I don't do: D-Link, Netgear, and noname]

sfx2000 · Jun 28, 2015

stevech said:
iPhone detected the non-Apple WiFi and committed suicide.

Known issues with iOS 8 and discoveryd - rebooting the AP allowed the iOS device to complete the handshake on DHCP renewal... Good news perhaps - iOS 8.4 is expected on 6/30/2015, and Apple has removed discoveryd and replaced it with the older mDSNResponder, and the Bonjour Stack seems to be much happier...

Discoveryd has been a trainwreck for Apple - both on iOS8 and MacOS 10.10... 10.10.4 is also moving back to mDNSResponder as well...

stevech · Jun 28, 2015

Apple seems to resist hiring someone who understands RF and someone else who understands IEEE 802.11.
Remember the fake-RSSI (bars) flap with iPhones on AT&T?

sfx2000 · Jun 28, 2015

stevech said:
Remember the fake-RSSI (bars) flap with iPhones on AT&T?

Believe it or not - post Antenna-Gate, they actually brought on some really smart antenna engineers... A few of them are people that I've worked with and considered as friends...

They used to have two teams - folks that worked on Macs for WiFi, and the iPhone guys - after AntennaGate on the GSM iPhone4 - they merged the two teams, and invested millions of dollars on a state of the art RF lab - gear and talent.

What I can say - we deployed the CDMA iPhone 4 and 4S (along with subsequent models) on our network - and those devices are some of the best I've seen from a TIS/TRP perspective across 3 band-classes - and their WiFi performance numbers on 2.4/5Ghz are similar... again, best of class...

I guess the lesson learned here - Embarrass Steve Jobs and you'll get the money to build a lab... and they take RF performance very, very seriously...

The discoveryd problem actually has nothing to do with WiFi, and has everything to do with networking in general... but it presents itself as a WiFi problem...

htismaqe · Jun 29, 2015

sfx2000 said:
The discoveryd problem actually has nothing to do with WiFi, and has everything to do with networking in general... but it presents itself as a WiFi problem...

Yeah, it pops up from time to time on my iMac, which is wired. Annoying...

stevech · Jul 1, 2015

I blamed AT&T for antennaGate. They knew Apple would be naive.
"Strongest LTE 4G in America". Well, maybe, if they have it where you are. And little of it is in 700MHz which is where Verizon's good building penetration happens.

That's the latest deception.
AT&T (SBC renamed).

thiggins · Jul 1, 2015

Stay on topic please, gentlemen.

Carnagerover · Jul 2, 2015

sfx2000 said:
Known issues with iOS 8 and discoveryd - rebooting the AP allowed the iOS device to complete the handshake on DHCP renewal... Good news perhaps - iOS 8.4 is expected on 6/30/2015, and Apple has removed discoveryd and replaced it with the older mDSNResponder, and the Bonjour Stack seems to be much happier...

Discoveryd has been a trainwreck for Apple - both on iOS8 and MacOS 10.10... 10.10.4 is also moving back to mDNSResponder as well...

Is this confirmed for 8.4 as I have seen reports that it's not due till iOS 9 on iOS whereas it has been removed on Yosemite?

sfx2000 · Jul 2, 2015

Did some checking - looks like D-Link did a firmware release in June 2015, so maybe update the firmware there...

8.4 is still discoveryd

htismaqe · Jul 2, 2015

sfx2000 said:
8.4 is still discoveryd

I was gonna say, I updated yesterday and didn't see anything in the release notes.

Carnagerover · Jul 2, 2015

sfx2000 said:
Did some checking - looks like D-Link did a firmware release in June 2015, so maybe update the firmware there...

8.4 is still discoveryd

Hi thanks,

It's on the latest version, they all seem to be security related rather than features or fixes at the moment.

sfx2000 · Jul 2, 2015

Carnagerover said:
Hi thanks,

It's on the latest version, they all seem to be security related rather than features or fixes at the moment.

D-Link has had some ongoing security concerns, so I would update if possible...

good luck!

Dir-880L 30 days of wifi

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