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[FurryNutz]

Link>

Welcome!

• What region are you located?
• Are you wired or wireless connected to the router?
• Was a Factory Reset performed before and after any firmware updates?
• Was the router working before any firmware updates?

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.

I ran this for well over a week and didn't notice any issues of rebooting. Heaving usage at my house with gaming and general internet and some VPN stuff.

It appears that 2.11 randomly reboots the router. Multiple times a day I might add. 

[FurryNutz]

Any status on this? 

I am located in California, Charter Cable is my provider.  30mb down and 4mb up. 

Will try your recommend settings and hopefully that will fix  the problem.

[Only520]

Problem still exist.. Every other day I would need to unplug the router because rebooting it does not work.  Getting lag issues when using bittorent.  Never had this problem on firmware 1.34 NA., Is it possible to downgrade back to that firmware?

[FurryNutz]

v2.11 is for Rev B routers, I presume you have a Rev A if you have v1.34?

Info regarding BitTorrent:
Torrent FAQ

Problem still exist.. Every other day I would need to unplug the router because rebooting it does not work.  Getting lag issues when using bittorent.  Never had this problem on firmware 1.34 NA., Is it possible to downgrade back to that firmware?

[tomidix]

Installed this tonight.  Here are my observations.

The Good News:

UPNP vulnerabilities are fixed.  Did a scan with grc.com's ShieldsUP! service (https://www.grc.com/x/ne.dll?bh0bkyd2) and everything came up clean.

The problem with the Guest Zone disappearing that showed up in firmware 2.10NA appears to be fixed.  I haven't been running it long enough to be 100% sure, but both WiFi connections appear to be stable.

The Bad News:

The wireless client list under Status/Wireless no longer works.  This page no longer shows anything no matter how many wireless clients I have connected to the router.  

Update: This appears to only be broken in Internet Explorer 9 and Internet Explorer 10.  Works find in IE8 and below and Chrome and Firefox.

This appears to be a trend I have noticed in D-Link firmware updates on many of their devices.  Newer firmware releases appear to be breaking support in IE9 and IE10 where the older release works fine in those browsers.  I have noticed this same trend on several routers and other D-Link devices.  I had to return a $200 D-Link wireless security camera because the latest firmware completely broke support for Internet Explorer and the previous firmware release was no longer available for download.

It works well under IE 9, 10, and 11 too.. It's necessary to turn on the compatibility view in IE for the router IP address though.

[FurryNutz]

Glad its working for you. Enjoy.
 

It works well under IE 9, 10, and 11 too.. It's necessary to turn on the compatibility view in IE for the router IP address though.

[nickppv2000]

It appears that 2.11 randomly reboots the router. Multiple times a day I might add. 

I assume same problem here with Hardware Version: B1      Firmware Version: 2.10NA
all my wired and wireless devices are disconnecting at the same time, sometimes once per hour or so. Also, approx. once per two days I need to do power cycle for router to get it alive.
Are there any suggestions? What kind of log do I need to post and where to troubleshoot?

[FurryNutz]

I never had any issues with any version of FW for Rev B.

Review and try this:
Router Troubleshooting Suggestions and Tips

I assume same problem here with Hardware Version: B1      Firmware Version: 2.10NA
all my wired and wireless devices are disconnecting at the same time, sometimes once per hour or so. Also, approx. once per two days I need to do power cycle for router to get it alive.
Are there any suggestions? What kind of log do I need to post and where to troubleshoot?

[trencher7]

So I was using 2.07 firmware on my DIR-655 until yesterday when I decided to upgrade to 2.11NA and now I am getting disconnected a few times a day.  Troubleshooter says I lose connection to DNS server.  Is there a way I can just go back to 2.07 or is there simpler fix?  Running Windows 8.1.  Thanks.

[FurryNutz]

Link>Welcome!

• What region are you located?
• Are you wired or wireless connected to the router?
• 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.
• If IPv6 is an option on the router, select Local Connection Only or Disable IPv6 options under Setup/IPv6.
• Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall. Enable or Disable SPI to test.
• Enable uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules. Enable IPv6 Multi-cast Streaming for routers that have a Media Server option. Disable IPv6 Multi-cast Streaming if IPv6 or Media Server is not being used.
• Turn off WISH, and WPS under Advanced.
• 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, swap out to be sure. Link> Cat6 is recommended.

So I was using 2.07 firmware on my DIR-655 until yesterday when I decided to upgrade to 2.11NA and now I am getting disconnected a few times a day.  Troubleshooter says I lose connection to DNS server.  Is there a way I can just go back to 2.07 or is there simpler fix?  Running Windows 8.1.  Thanks.

[rayxi]

I upgraded from 2.07 and I'm also having random and frequent reboots. I was hoping 2.11 resolved an issue I was having with connection drops for specific devices whenever the wireless client count increases. It never stayed on long enough for me to test this particular issue.

After trying all combinations of resets and turning stuff on/off as recommended I had to roll back to 2.07 so I could get some work done. I suspect the instability may be related to an interaction between the router and the 802.11n implementation on certain devices. At least with 2.07 only some device connections were dropped instead of losing all connections when it reboots.

I think I'll just live with what I have until I'm ready to get a 802.11ac router. It's just not worth my time to mess with this any more. If I paid myself $20/hour I could easily buy an new AC router with the time I spent trying to fix this one.

[FurryNutz]

This probably means either there is a problem with your environment, configuration of the devices or the router. This is not a FW issue here.

Maybe someone can review your router settings with you using Link> teamviewer if your interested. Its safe and secure.

I have not seen any wireless issues on any build with my 655 Rev B.
Did you factory reset the router before and after when upgrading and downgrading the FW then set up from scratch?

I upgraded from 2.07 and I'm also having random and frequent reboots. I was hoping 2.11 resolved an issue I was having with connection drops for specific devices whenever the wireless client count increases. It never stayed on long enough for me to test this particular issue.

After trying all combinations of resets and turning stuff on/off as recommended I had to roll back to 2.07 so I could get some work done. I suspect the instability may be related to an interaction between the router and the 802.11n implementation on certain devices. At least with 2.07 only some device connections were dropped instead of losing all connections when it reboots.

I think I'll just live with what I have until I'm ready to get a 802.11ac router. It's just not worth my time to mess with this any more. If I paid myself $20/hour I could easily buy an new AC router with the time I spent trying to fix this one.

[rayxi]

This probably means either there is a problem with your environment, configuration of the devices or the router. This is not a FW issue here.

The way I see it no configuration setting or client device should be able to cause a reboot with properly written firmware (short of going through the management console to invoke a reboot). I'm certain there isn't any FW for any device that is 100% bug free but not having spontaneous reboots isn't an unreasonable expectation. Configuration issues and misbehaving devices should be handled by the router more gracefully than crashing and burning. Proper error handling is part of any good design.

Maybe someone can review your router settings with you using Link> teamviewer if your interested. Its safe and secure.

The only thing worse than me spending more time on this is to have me and someone else spend more time on this. 

My configuration is fairly simple.
Start with default settings
+ mixed 802.11n/g, WPA2 only, AES
+ all devices using DHCP reserved IP's
+ port forwarding on 1339-1340 TCP to a reserved IP

The above was stable on 2.07 with many months of uptime. The only time I need to reboot it (deliberately) was after guests come over and bump up the number of wireless clients, after which I couldn't connect with certain devices (Win7 PC and BB Z10). Other Win7 PC's and various devices never have issues.

I have not seen any wireless issues on any build with my 655 Rev B.
Did you factory reset the router before and after when upgrading and downgrading the FW then set up from scratch?

I didn't do factory reset before the upgrade but I did a factory reset after and reconfigured from scratch. If I decide to give it one more kick at the can I'll try the factory reset before the upgrade as well.

Thanks for all the help you provide in this forum.

[FurryNutz]

I believe the FW is written well to handle many things. I've used the v2.11NA for a while now, I game with multiple xboxes, stream video with the Boxee Box and have several Wirless devices online as well. This is a stable version of FW from my testing. Nobody else has reported a similar problem as yours.

Again, many things can effect WiFi and router operation, just because it's working at some point, doesn't mean that it may keep going especially regarding> Managing Signal Congestion and Good Neighbour Policy

• Any 2.4Ghz cordless house phones?
• 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 or ON 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. I would try Mixed TPIK and AES as I don't think AES is supported on G mode. Give the Mixed Mode a try.
• Enable WMM Enable Under Advanced/Advanced Wireless.
• Try setting Medium or Low power output settings and test again 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.

Only thing about having someone else spending more time is that problems can be resolved. Since you've gone back to v2.07 then I'll pass. This is a environment or router mis-configuration issue.

Good Luck.

FYI, D-Link DIR-850L on Sale

[rayxi]

All your suggestions are perfectly valid for connection or performance problems. I can deal with not having an optimal configuration for my environment. I can't deal with frequent spontaneous reboots.

I'm quite happy with 2.07 and my current configuration. It's stable and the performance is solid. Manually rebooting to address the occasional and isolated connection issue that I'm having is preferable to 2.11 which is unusable for me.

Nobody else has reported a similar problem as yours.

I respectfully disagree.
See post from this thread:

It appears that 2.11 randomly reboots the router. Multiple times a day I might add. 

Also see this thread:

My 655 is Hardware Version: B1 Firmware Version: 2.11NA

I upgraded it from 2.10 because of this problem, but it didn't change things.

The router just reboots over and over. However it seems related to traffic. I have 4 kids and myself that are all using it, sometimes at the same time. Also there are 2 IP cameras tied to it. I've been fighting this since I got it 3 months ago but have not found a solution on my own. I've tried shutting down the cameras and no luck (one wireless). Yesterday, it rebooted once and hardly before it was up again, it rebooted again! I turned the unit on its side and ran a fan on it cause it was pretty warm, but over the next few hours, it rebooted 3 times.