This is set to 2437, not auto.
The complaining customer called today and said the issue is 99% fixed
after I changed the group key exchange from 5m to 60m, which
unfortunately is as long as RouterOS lets you set it. I believe this
is the interval for rotating the group ciphers, not the timeout for
the exchange. Not sure why the Apple devices seem to be not doing the
handshake for the new keys, resulting in them getting deauthed and
disconnected.
The only other thing I am considering is changing channel width from
20/40 to 20 MHz. There’s a list of tips from Apple that says to do
that in 2.4 GHz, but they seem to imply it’s for compatibility with
other devices, not specifically iOS devices.
The other thing Apple recommends is enabling WMM, I’m not sure if
that’s a good idea, especially since Mikrotik doesn’t support WMM
sleep mode, AFAIK. I’m not sure why just the QoS part of WMM would
prevent a client from getting disconnected.
*From:* Chris Wright <mailto:ch...@velociter.net>
*Sent:* Monday, July 13, 2015 10:36 AM
*To:* af@afmug.com <mailto:af@afmug.com>
*Subject:* Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
I’ve seen plenty of iOS devices throw fits whenever the wireless
access point is set to auto frequency selection. Some
iPads/iPhones/etc. get left behind when the channel switches.
Chris Wright
Network Administrator
Velociter Wireless
209-838-1221 x115
*From:*Af [mailto:af-boun...@afmug.com] *On Behalf Of *Ken Hohhof
*Sent:* Friday, July 10, 2015 6:44 AM
*To:* af@afmug.com
*Subject:* Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
Let’s not get sidetracked with a discussion of downgrading, I don’t
think that’s relevant here. I do understand what you’re saying about
the changelog – Mikrotik may have changed/fixed something from 6.19 to
6.29 silently without noting it in the changelog.
I was kind of hoping someone knew a trick to get the Netflix app to
just keep playing rather than popping up an error message. Or had
seen this problem before and knew how to fix it.
The group key exchange timeout may be a red herring. I’m not sure if
Mikrotik is doing a good thing by kicking the client off when the
group key exchange fails after a key rotation. I guess it prevents a
situation where the client can’t talk to other clients on the same LAN
because multicast/broadcast traffic isn’t getting through. But maybe
it would be less intrusive to just wait for the next key rotation to
restore that functionality rather than forcing a disconnect. Also I’m
not sure why they won’t let you set the key rotation interval longer
than 1 hour or turn off rotation entirely, probably for security reasons.
*From:*Mike Hammett <mailto:af...@ics-il.net>
*Sent:*Friday, July 10, 2015 8:12 AM
*To:*af@afmug.com <mailto:af@afmug.com>
*Subject:*Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
The don't downgrade applies to ROS version and firmware. There may not
be an issue with a given product and two versions, but it's a good
habit to get into.
Mikrotik's changelog is like cheating on your spouse. Everyone sees
you behaving differently now, but there's no official paperwork
showing it.
-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
------------------------------------------------------------------------
*From: *"Ken Hohhof" <af...@kwisp.com <mailto:af...@kwisp.com>>
*To: *af@afmug.com <mailto:af@afmug.com>
*Sent: *Friday, July 10, 2015 8:06:13 AM
*Subject: *Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
This particular router has Routerboard FW 3.18 so I think it was
upgraded to 6.19 not downgraded. Also, I don’t see any wireless
related changes in the changelog from 6.19 to 6.29.
I’m thinking of changing the group key update interval from 5m to 1h
which I think is the max. I’m not sure if the group key exchange
timeouts are due to the client being in sleep mode, or a problem I
should be worrying about. The fact that the Mikrotik sends deauth to
disconnect the client which then immediately connects doesn’t seem
like a good think. Without the deauth and disconnect, I would not
expect unicast traffic to be affected. I’m thinking the iPad knows
the WiFi disconnected and tells the app which then pops up the
annoying error which requires the user to tap OK and then Play.
If I change the timeout to 1h and the frequency of the problem stays
the same, I think that will eliminate this as the possible cause.
Reading the logs can be confusing, it’s amazing how many iPhones and
iPads one family can have. Hard to sort out the problems from normal
events.
*From:*Mike Hammett <mailto:af...@ics-il.net>
*Sent:*Friday, July 10, 2015 7:20 AM
*To:*af@afmug.com <mailto:af@afmug.com>
*Subject:*Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
I don't believe you're ever supposed to downgrade a device's shipped
software, due to unknown chipset\driver changes.
-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
------------------------------------------------------------------------
*From: *"Ken Hohhof" <af...@kwisp.com <mailto:af...@kwisp.com>>
*To: *af@afmug.com <mailto:af@afmug.com>
*Sent: *Thursday, July 9, 2015 9:42:19 PM
*Subject: *Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
Actually no, I have everything on 6.19 because it was stable for me and I
don't like facing the choice of either upgrading everything in the field
every month or having every router on a different version. I've even
been
downgrading the latest shipment of 951G's that came in with 6.23.
Usually switching to Mikrotik from store bought routers solves a lot of
iPad/iPhone problems for us.
He said this is the latest iPad, would that be the iPad Air 2? I
remember
the iPad Air being new 2 Christmases ago.
-----Original Message-----
From: Justin Wilson - MTIN
Sent: Thursday, July 09, 2015 9:20 PM
To: af@afmug.com <mailto:af@afmug.com>
Subject: Re: [AFMUG] Netflix app on iPad keeps asking to reconnect
Apple devices are picky on their wifi stuff when it comes to mikrotik. I
assume you have upgraded to the latest version of RouterOS. This is
one of
the few times running the latest helps. I was running 6.21 on one of
my APs
in the house and anytime I roamed to it things became very slow. OS
upgrade
helped.
Is this an iPad, Ipad2, iPad Air?
Justin
---
Justin Wilson <j...@mtin.net <mailto:j...@mtin.net>>
http://www.mtin.net Managed Services � xISP Solutions � Data Centers
http://www.thebrotherswisp.com Podcast about xISP topics
http://www.midwest-ix.com Peering � Transit � Internet Exchange
> On Jul 9, 2015, at 6:17 PM, Ken Hohhof <af...@kwisp.com
<mailto:af...@kwisp.com>> wrote:
>
> I just talked to the customer again and the Netflix error he is
getting is
> 1016.
>
> If he clicks OK and Play, it starts playing again. Of course the
Netflix
> troubleshooting tips say things like power cycle your router and modem.
>
> The only thing that occurs to me is we put in a Mikrotik router with
2.4
> GHz WiFi, previously he was using a Frontier DSL modem, not sure if
that
> was dual band WiFi or not. But if I Google Netflix error 1016, some of
> the suggestions involve turning off Bluetooth on the iPad. Other
> suggestions have to do with location services. None of those sound
> logical to me, but who knows with iDevices and Netflix apps.
>
>
> -----Original Message----- From: Ken Hohhof
> Sent: Thursday, July 09, 2015 4:08 PM
> To: af@afmug.com <mailto:af@afmug.com>
> Subject: [AFMUG] Netflix app on iPad keeps asking to reconnect
>
> I have a new customer who says our Internet is faster than the DSL they
> had
> before, but he is having a problem with Netflix on his (WiFi only) iPad
> that
> didn't occur on the DSL.
>
> He says it will stop and say it is no longer connected, does he want to
> reconnect? He clicks yes, and it works again for awhile.
>
> I cannot find anything regarding this with Google. Can anyone
enlighten
> me?
>
>
>
