Posts tagged: network

Fix Roku problem connecting to 802.11ac 5Ghz WiFi

By , January 30, 2016 2:15 pm

I recently got a Roku 4 – at the time of this post the latest and greatest streaming players from Roku family. It comes with many bells and whistles – including ability to connect to 5Ghz WiFi networks. But for the life of me – it could not connect to mine. Player was seeing the SSID of the network, able to connect to wireless, but chocked on joining to LAN. Extensive chat with support lead nowhere – they wanted me to change WAN DNS and many other hoops that achieved nothing. For the record – my router is a dual-band one, and Roku had no problems connecting to 2.4Ghz band. But Internet speed falls dramatically over 2.4Ghz connection and I needed 5Ghz.

Finally I found one thing that worked.
AC Network
AC connection has 3 bandwidth modes: 20Mhz, 40Mhz, and 80Mhz. My router was set to 80Mhz to take full advantage of 1300 speed. None of my devices had problem with this (including, I might add, my previous Roku 3 player). But apparently Roku 4 couldn’t handle it. But as soon as I switched bandwidth to 40Mhz – boom, instant connection.

Streaming doesn’t suffer from this change, but it does lower LAN speed, so I’d like alternative solution from Roku if possible. Is this a known issue? Would an update fix it?

UPDATE 2016-02-01: Found a better workaround with the help of this awesome device.
WUMC710 is a bridge between 4 Gigabit Ethernet connections and full 802.11ac WiFi. And it has no problem with 80Mhz channel. So I basically tell Roku it has a wired connection (and it does to the bridge) and the bridge has beautiful wireless connection to my router. You can grab the WUMC710 pretty cheap (I got mine for $10) and besides not having to slowdown your main network it makes actual Roku internet Speed much faster. Shame Roku’s own WiFi is not on par, but hopefully it will catch on

That’s 802.11ac, baby!

By , March 8, 2013 5:39 pm

Just got my BUFFALO AirStation AC1300 / N900 Gigabit Dual Band Wireless Router – WZR-D1800H and a couple of Wireless AC866 DB USB Adapter (WI-U2-866D)

After a very easy setup:

(almost) gigabit wireless!

It’s a beautiful sight.

D-Link DIR-655: How to make 1.35 firmware upgrade stick

By , February 6, 2012 11:24 pm

If you’re trying to upgrade your D-Link DIR-655 Extreme-N Gigabit Wireless Router to the latest firmware (1.35NA US version as of this post), you may encounter a weird problem: firmware uploads without errors, router says it is being reprogrammed, but after reboot old version is displayed.

To solve it – try following these steps

  1. Save your current settings (Tools -> System -> Save Configuration) – you should do it prior any update anyway
  2. This what does the trick: On the same screen click “Restore Factory Default” – this will restore router default settings (one more reason why it’s important to do the update over wired connection)
  3. Flash your firmware
  4. Restore setting saved in Step 1 and reboot the router
  5. Profit! You’re now on the latest firmware

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