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[Hunter X]

I've had the DGL-5500 since October and it's been nothing but trouble for me. At first it was constant dropped connections on both the 2.4GHz and 5GHz bands (But my own troubleshooting lead to the discovery of bad LAN/WAN ports. Router reporting cable was "disconnected" when it was connected). Got it replaced via D-Link RMA and have been using the replacement with minor issues since (5GHz was always a problem though). I simply stopped using the 5GHz band and relied on only the 2.4GHz band, but apparently I was missing out on approximately 50% of the speed I would normally get. Speedtests on the 2.4GHz band gives me a down speed of 1Mbps and up of 1Mbps tops. When the 5GHz band works, I get up to 15Mbps down and 10Mbps up. Now, my issue with the 5GHz band is the constant connection drop. When I'm connected, everything would be going along just fine and my connection would go from "Internet access" to "No internet access" in Windows and of course, not browse the internet. The connection doesnt get dropped as in the connection disappears, but rather I would remain connected without internet access. The only "fix" is manually disconnecting from the network and reconnecting to the same connection (which then works again). I've ruled out the issue with my computer since it happens with my HTC One also. I have a WHR-HP-G54 with DD-WRT as a client bridge connected to the DGL-5500. I previously used a Verizon Actiontec MI424WR router and had no issues at all with that setup.

[FurryNutz]

Link>Welcome!

• What region are you located?
• Was a Factory Reset performed before and after any firmware updates then set up from scratch?

Internet Service Provider and Modem Configurations

• What ISP Service do you have? Cable or DSL?
• What ISP Modem Mfr. and model # do you have?
• What ISP Modem service link speeds UP and Down do you have?
• Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask. Link>Checking MTU Values
• For DSL/PPPoE connections on the router, ensure that "Always ON" option is enabled.

Router and Wired Configurations
Some things to try: - Log into the routers web page at 192.168.0.1. Use IE, Opera or FF to manage the router.

• Turn off ALL QoS or Disable Traffic Shaping (DIR only) GameFuel (DGL only and if ON.) options, Advanced/QoS or Gamefuel. For the DGL-5500, review this for Streamboost information and settings: Furry's DGL-5500 Review
• Turn off Advanced DNS Services if you have this option under Setup/Internet/Manual or under Setup/PARENTAL CONTROL/Set to>None: Static IP or Obtain Automatically From ISP.
• Enable Use Unicasting (compatibility for some ISP DHCP Servers) under Setup/Internet/Manual.
• Turn off DNS Relay under Setup/Networking. Link>Finding Faster DNS Addresses using Name Bench
• Setup DHCP reserved IP addresses for all devices ON the router. Setup/Networking. This ensures each devices gets its own IP address when turned on and connected, eliminates IP address conflicts and helps in troubleshooting and maintain consistency for applications that need to connect as well as mapped drives.
• Ensure devices are set to auto obtain an IP address.
• Enable or Disable SPI to test.
• WAN Port Speed set to Auto or specific speed? Some newer ISP modems support 1000Mb so manually setting to Gb speeds can be supported by the router. Advanced/Advanced Networking/WAN Port Speed
• Set current Time Zone, Date and Time. Use an NTP Server feature. Tools/Time.
• Check cable between Modem and Router and all wired devices, swap out to be sure. Link> Cat6 is recommended.

Wireless Configurations
Links>Wireless Installation Considerations and Managing Signal Congestion and Good Neighbour Policy

• Ensure the default (dlink) SSID name is changed. Can be anything and not something thats already in use by any neighboring WiFi routers. Under Setup/Wireless/Manual.
• What wireless modes are you using?
• 2.4Ghz Routers only: Try single mode G or N or mixed G and N?
• 2.4Ghz and 5Ghz routers: Try single mode G or N or mixed G and N on 2.4Ghz and single mode N on 5Ghz?
• Channel Width set for Auto 20/40Mhz or try 20Mhz only.
• Try setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear.
• What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto TPIK and AES.
• Any cordless house phones?[/li]
  
  • Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?
  • If you have any of these options, Try turning OFF Short GI, WLAN Partition, HT 20/40 Co-exhistance and Extra Wireless Protection if you have it. Recommended settings are default. Under Advanced/Advanced Wireless.
  
  Router Placement
  Forum User - "Well I feel really dumb. After moving the router away from other electronic devices my speeds are back to normal. Just a heads up for anyone experiencing slow speeds, you might want to move it away from other electronics and see if that helps."
  6" minimum safe distance between devices.
  
  3rd Party Security Software Configurations
  
  • Turn off all anti virus and firewall programs on PC while testing. 3rd party firewalls are not generally needed when using routers as they are effective on blocking malicious inbound traffic.
  • Turn off all devices accept for one wired LAN PC while testing.
  • Disable any downloading client software managers, i.e. Torrents or similar.
  
  
  
  A few more items:
  Please test the 5500 wireless out with out the bridge connected? Just test the 5500 WiFi as a single source for now. Turn everything else off as much as possible.
  What Mfr is this bridge? Linksys?
  What devices do you have that support AC mode on the 5Ghz?
  Testing speeds on wireless isn't recommended as it can result in false or inaccurate results due to many variables and external conditions that can effect WiFi.
  
  Maybe someone can review your router settings with you using Link> teamviewer if your interested. Its safe and secure.

[Hunter X]

I am located in NY, so the router is in its intended region. For every FW update, i've performed the factory resets as suggested and set up everything from scratch. I'll probably get called out for this, but it's not "my" internet per se, but I do pay my share for it. I have family members who live 3 houses down and they share their internet with me and in return I pay a portion of the bill as well. The ISP is Verizon FiOS. They also use a Verizon Actiontec MI424WR router. They pay for 50/25 service, but I only use 15/10 (configured Streamboost for 15/10). I turned off any settings on the DGL-5500 related to DNS (DNS relay, etc.) Every other setting is as suggested (unicasting, multicasting, etc.). 2.4GHz is set to mixed g/n as I have a 3DS which doesn't support wireless-n and have the channel set to 11 (least populated channel in my area). I use WPA2 personal with AES encryption.
The bridge I'm using is a Buffalo WHR-HP-G54 with dd-wrt firmware loaded on it. Since the originating wireless signal comes from 3 houses down, the bridge is configured with an aftermarket yagi antenna. I have only 1 device that supports wireless-ac on 5GHz, my HTC One. Since I rely on the bridge, I can't exactly test without the bridge (unless someone knows how I can tether my phone to the router). I know I'll probably get turned away due to my setup, but thanks in advance for any help.

[FurryNutz]

I see, this sheds more light on the subject.

What freq does the bridge run on? 2.4 or 5Ghz? What mode is it running on? Never mind, I see it's a 2.4Ghz G bridge. I don't think this could be effecting your 5Ghz radio however anything is possible. I see more problems possibly on the 2.4Ghz if the bridge is in the same freq though. How close is the bridge to the 5500 and I presume the bridge is on a different channel from what the 5500 2.4Ghz radio is using?


A test you can try with the HTC is set a single mode N with Auto band width. Does the HTC support AC modes? If it does, switch to single mode AC and test again. You might see what bandwidth the HTC support on AC and N mode. It's possible the HTC might not support 80Mhz. Try a lower setting.

How far is the HTC from the 5500?
Any other WiFi neighbors on 5Ghz near you?

[Hunter X]

The bridge is running on channel 6 wireless-g (family's router is chanel 6 wireless-g with WPA2 AES). The DGL-5500 is on channel 11 to avoid interference. The bridge is 6 feet away from the DGL-5500. The only setting I can change for WiFi on my HTC One is which band to use. According to a spec sheet, the HTC One supports 80MHz. My phone is about 40-50 feet away from the router. As far as I'm aware, almost no one else is using the 5GHz band (I see only 3 signals in my area, but on different channels apart from mine, so no interference)

[FurryNutz]

What kind of building material is between the HTC and the router when 40-50feet away? 5Ghz is best in line of sight with nothing in between accept maybe one wooden wall or wooden structure.

[Hunter X]

Just a thin wooden door, same with my computer, but I use the phone mostly in the living room (5 feet away from router)

[FurryNutz]

Give the single mode AC a test then try Mixed AC and N. Try setting a manual channel, 36 the 149.

[Hunter X]

I have it set at Mixed AC and N with a manual channel of 44.

[FurryNutz]

Give the suggestions a try for the HTC

Is the PC wireless too? What Mfr and model WiFI card does it have? Ensure any drivers are up to date for WiFi or Wired NIC adapters.

[Hunter X]

How can I set those settings for the HTC, is there an app for that? My PC is also wireless, I took the following information from Wikipedia: Integrated 802.11a/b/g/draft-n (n enabled) (BCM4322 2 × 2 chipset)
It is a MacBook Pro mid-2009.

[FurryNutz]

Set those settings on the router.

I have a Mac Book Pro 2007 model.... Max mode is N. I do get 270Mb connections while using Mixed AC and N modes. OSX 10.7.5 and 10.9

[djid10t]

Well, I may have to agree with the OP on the spotty 5.0.

I just got the Microsoft Wedge mouse for my tablet which has Bluetooth.  It is interfering with the 2.4 ghz connection, so I went to the 5.0 ghz (I had both 2.4 and 5.0 set up but never used 5.0 for anything).  It connected for about 30 seconds, then it drops.  I tried just 20 mhz, 20/40, just n, n and ac.  DNS relay turned on and off.  I can't connect with a Dell tablet or an Alienware m11x.

Just to make sure I am able to use the 5.0 on the devices, I connected a DIR-825 with the dd-wrt software and I am able to keep a 5.0 connection AND on the 2.4 ghz, there is no interference with bluetooth.

Both routers are set up the same WPA2-personal with AES for security, they just have different SSID's.  The 825 had 20/40 set and just n for both 5.0 and 2.4

This post is not to say that this may be entirely the routers fault as there may be setting on the computer that I have not changed.  I am open to try other settings but resetting the whole router will be something I don't want to do right now.  Also assume that I have done the common remedies, ie restart, updated drivers etc, etc.

[FurryNutz]

I haven't had an issue on the 5Ghz radio yet.

Any other 5ghz radio sources near by?
How far away is the client devices from the router?

I can get to my 5Ghz radio from the living room which is about 20feet away from my router back in the office down the hall way. Signal could be a bit better I think. I use Mixed mode on the 5Ghz and Auto 20/40/80Mhz. WPA2/AES only.
I'll have to check the channel, I believe that last time I used it it was on 36. I had a buddy of mine change his to 149 last nite on his 5500.

Well, I may have to agree with the OP on the spotty 5.0.

I just got the Microsoft Wedge mouse for my tablet which has Bluetooth.  It is interfering with the 2.4 ghz connection, so I went to the 5.0 ghz (I had both 2.4 and 5.0 set up but never used 5.0 for anything).  It connected for about 30 seconds, then it drops.  I tried just 20 mhz, 20/40, just n, n and ac.  DNS relay turned on and off.  I can't connect with a Dell tablet or an Alienware m11x.

Just to make sure I am able to use the 5.0 on the devices, I connected a DIR-825 with the dd-wrt software and I am able to keep a 5.0 connection AND on the 2.4 ghz, there is no interference with bluetooth.

Both routers are set up the same WPA2-personal with AES for security, they just have different SSID's.  The 825 had 20/40 set and just n for both 5.0 and 2.4

This post is not to say that this may be entirely the routers fault as there may be setting on the computer that I have not changed.  I am open to try other settings but resetting the whole router will be something I don't want to do right now.  Also assume that I have done the common remedies, ie restart, updated drivers etc, etc.

[djid10t]

I haven't had an issue on the 5Ghz radio yet.

Any other 5ghz radio sources near by?

No other sources of 5.0. INSSIDer sees the short activity then the drop and it will eventually not even get tracked anymore, while the router is still on and 2.4 is working.

How far away is the client devices from the router?

Within 20 feet, next room.  I have auto scan and it picks one of the lower channels.

When I did the firmware update to 1.11 initially, I had done a full reset.  I did the beta update too, if that makes any difference.