Joahop

Q: AirPlay over ASUS RT-N56U

I bought an Apple TV 3 today, intending to airplay stuff from the family's other Apple products; an iPad 2 and an iPhone 5. Turns out the AirPlay icon does not appear on either of the two. So obviously, they are not communicating with the Apple TV. All devices are connected on the same wireless network, via our ASUS RT-N56U router (firmware version 3.0.0.4.260). I have read online tonight about disabling the IGMP snooping, but I'm not able to find out how to do that.

 

So basically what I'm asking is what I can do to get this to work?

 

I have had problems in the past connecting to my work over VPN and also downloading/streaming contents from my Seagate NAS (uploading is no problem). I have not tried again after having updated the router firmware today. I suspect that the NAS and the AirPlay issues are related, whilst the VPN issue is something different. I have not yet tried home sharing, but I guess that too would not work.

 

Well, I hope someone out there can help...

Apple TV, iOS 6.0.1, Apple TV 3,

Posted on Nov 29, 2012 3:31 PM

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Q: AirPlay over ASUS RT-N56U

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  • by termosen,

    termosen termosen Dec 30, 2012 7:08 AM in response to Joahop
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    Dec 30, 2012 7:08 AM in response to Joahop

    Had airplay problem myself after I upgraded to firmware 3.xx regarding the router (same as yours).

    Disabled IGMP snooping and then it works.

     

    In router settings:

    • Wireless
    • Professional
    • Disable IGMP snooping for both 2,4GHz and 5GHz
    • Apply

     

    BR Linus

  • by interested_party,

    interested_party interested_party Apr 1, 2013 10:19 AM in response to Joahop
    Level 1 (0 points)
    Apr 1, 2013 10:19 AM in response to Joahop

    I had the exact same problem. The 3.xxx firmware seems to have trouble with AirPlay. My router fortunately had an older version of the firmware (1.0.1.7f) originally, so I knew it worked fine. I tried termosen's response, but to my surprise IGMP snooping was already disabled for both 2.4Ghz and 5Ghz spectrums. I advise using Asus' firmware restoration utility (available at the same place as the firmware under Utilities) to downgrade to mine. It is a bit technical. You need a windows computer to run the utility, you will have to direclty plug your laptop into the router via ethernet (a LAN port, not a WAN port), and then place the router in rescue mode (by unplugging the power, holding down the reset button, and plugging it back in; don't release until the power light is slowly flashing), and then running the utility. Since restoring, my AirPlay works fine. Hope this helps.

  • by UNKN0VVN,

    UNKN0VVN UNKN0VVN Apr 17, 2013 2:47 PM in response to Joahop
    Level 1 (0 points)
    Apr 17, 2013 2:47 PM in response to Joahop

    have this same exact issue. its weird because if I reboot the router it will work until I stop streaming media again. I tried enabling to see if it holds for me...then ill disable. has anyone reported to asus?

  • by interested_party,

    interested_party interested_party Apr 17, 2013 4:03 PM in response to UNKN0VVN
    Level 1 (0 points)
    Apr 17, 2013 4:03 PM in response to UNKN0VVN

    UNKNOVVN,

     

    My problem manifested in exactly the same way. Sometimes the airplay would return on its own. And I doubt ASUS pays much attention to these problems. They likely affect a small percentage of users due to minor variations in the hardware. So any fix would take a long time to come.

  • by UNKN0VVN,

    UNKN0VVN UNKN0VVN Apr 18, 2013 5:08 AM in response to interested_party
    Level 1 (0 points)
    Apr 18, 2013 5:08 AM in response to interested_party

    new firmware was released on the 13th and sadly it did not fix. looks like reverting is our only choice.

  • by davebrook,

    davebrook davebrook May 5, 2013 5:29 PM in response to Joahop
    Level 1 (0 points)
    May 5, 2013 5:29 PM in response to Joahop

    Exact same problem here ...

     

    Usually when I just turn my WiFi on and off my AppleTVs appear ... now they aren't even doing that.

  • by UNKN0VVN,

    UNKN0VVN UNKN0VVN May 13, 2013 6:58 AM in response to Joahop
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    May 13, 2013 6:58 AM in response to Joahop

    I finally just reverted back to 1.0.1.8n from the ASUS support site and it works flawlessly.

  • by johnmacward,

    johnmacward johnmacward May 13, 2013 1:21 PM in response to Joahop
    Level 1 (0 points)
    May 13, 2013 1:21 PM in response to Joahop

    Hi, I had the exact same problem on my Asus RT-N56u and found that enabling "Multicast" traffic fixed it for all my devices (iPhone and iPad). The Asus blocks multicast traffic even over the LAN by default.

     

    iTunes and the devices advertise themselves on a single multicast address of 224.0.0.251 and this was being completely blocked by the Asus router, hence the devices couldn't find each other.

     

    I was in the fortunate position of having two wireless routers and realised that when one worked flawlessly and the Asus didn't that it was definitely something to do with networking and NOT iTunes and my devices.

     

    This could potentially apply to many peoples scenarios on differnet routers. Find the setting that deals with Multicast traffic and make sure it is enabled or allowing multicast traffic and hopefully you'll be sorted.

  • by andrew132,

    andrew132 andrew132 May 30, 2013 9:01 AM in response to johnmacward
    Level 1 (0 points)
    May 30, 2013 9:01 AM in response to johnmacward

    I used your advice and enabled multicast for both 2.4 and 5 ghz under Wireless > Professional > Multicast to HTMIX 130/144 and not only did it work but music magically started playing through my remote speakers as soon as I applied the settings.

     

    Thanks so much!

  • by Joahop,

    Joahop Joahop May 30, 2013 12:25 PM in response to andrew132
    Level 1 (0 points)
    May 30, 2013 12:25 PM in response to andrew132

    That sounds really good. I'm still having problems.

    Which version of the firmware are you running?

  • by andrew132,

    andrew132 andrew132 May 30, 2013 12:27 PM in response to Joahop
    Level 1 (0 points)
    May 30, 2013 12:27 PM in response to Joahop

    3.0.0.4.360 - I once had it drop out but I think it was my laptop was too far away.  When I came back closer to the router it wouldn't reconnect, but finally did right away when I turned the wifi on my Mac off and then on again.

  • by davebrook,

    davebrook davebrook May 30, 2013 12:50 PM in response to Joahop
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    May 30, 2013 12:50 PM in response to Joahop

    I belive I've found the fix!

     

    Enable IGMP Snooping

     

    Here's how:

     

    Wireless (left hand panel-->Professional (tab)-->Enable IGMP Snooping (in the middle of page)

     

    Since I enabled this I haven't had any issues.

  • by Joahop,

    Joahop Joahop May 30, 2013 1:00 PM in response to andrew132
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    May 30, 2013 1:00 PM in response to andrew132

    I updated to the same firmware version and I activated Multicast with the same settings. To my disappointment, it's still not working and I feel like cutting the d*mn thing into pieces with an axe. ;-)

     

    How did you know that you should choose HTMIX 130/144 instead of any of the other alternatives?

     

    I have deactivated IGMP Snooping, because that helped other users before. It didn't help me. I guess that I will have to try some different combinations of these two settings...or at least find out which should be the right multicast setting to use.

     

    I wonder if it otherwise could be the network speed negotiation? I don't know where to check this.

  • by interested_party,

    interested_party interested_party May 30, 2013 1:04 PM in response to davebrook
    Level 1 (0 points)
    May 30, 2013 1:04 PM in response to davebrook

    Neither davebrook nor andrew132 have discovered a fix. Both of these "fixes" are documented elsewhere, where you can see that they do not end up working. Andrew132 is not located too far from the router. The multicast setting did not fix the problem. It appeared to be fixed, but in reality it was just a coincidence. The fact that you had to turn the wifi on and off shows this to be the case. Furthermore, while I can't tell what either of you did to test, everyone should be aware that the fact that the airplay icon appears in Finder does not mean that that it is working. Often the icon persists after the actual ability to airplay is lost by the router.

     

    The IGMP snooping merely resets the router and that temporarily fixes the problem. In any case, even if these were genuine workarounds, they would still be just that. A fix would not require you to do anything. That's why ASUS should step up here and actually fix the problem. Airplay is a standard, widely used protocol that should be supported by default.

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