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[niqu]

I've got a DIR 615 Hx. I've started with fw v8.02 and now i'm at v8.05, but i've always had this problem.
The problem comes and goes everyday which is weird.

The router log looks something like this:
-----------------------------------------------------------
Apr 12 11:18:38 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 11:18:38 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 11:18:38 [SYSTEM]: IPv6, Link Local mode
Apr 12 11:18:37 [SYSTEM]: DNS, start DNS Proxy
Apr 12 11:18:36 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 11:18:36 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 11:18:35 [SYSTEM]: NET, start Firewall
Apr 12 11:18:35 [SYSTEM]: NET, start NAT
Apr 12 11:18:35 [SYSTEM]: NET, stop Firewall
Apr 12 11:18:35 [SYSTEM]: NET, stop NAT
Apr 12 11:18:35 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 11:18:32 [SYSTEM]: WAN, start Static IP mode
Apr 12 11:18:32 [SYSTEM]: WAN, stop Static IP mode
Apr 12 11:18:32 [SYSTEM]: WAN, stop Static IP mode
Apr 12 11:18:29 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 11:18:29 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 11:18:29 [SYSTEM]: IPv6, Link Local mode
Apr 12 11:18:29 [SYSTEM]: DNS, start DNS Proxy
Apr 12 11:18:27 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 11:18:27 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 11:18:27 [SYSTEM]: NET, start Firewall
Apr 12 11:18:27 [SYSTEM]: NET, start NAT
Apr 12 11:18:27 [SYSTEM]: NET, stop Firewall
Apr 12 11:18:27 [SYSTEM]: NET, stop NAT
Apr 12 11:18:27 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 11:18:23 [SYSTEM]: WAN, start Static IP mode
Apr 12 11:18:23 [SYSTEM]: WAN, stop Static IP mode
Apr 12 11:18:23 [SYSTEM]: WAN, stop Static IP mode
Apr 12 11:11:27 [SYSTEM]: SCHEDULE, Wireless Radio On
Apr 12 11:11:27 [SYSTEM]: NTP, Local time=2014/04/12 11:11:27
Apr 12 11:11:27 [SYSTEM]: NTP, Daylight saving status: Disable
Apr 12 11:11:27 [SYSTEM]: NTP, Time zone = +1.0 Sarajevo, Sofija, Warsaw, Zagreb, Skopje, Vilnius
Apr 12 10:53:25 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:53:25 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:53:25 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:53:25 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:53:24 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:53:23 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:53:23 [SYSTEM]: NET, start Firewall
Apr 12 10:53:22 [SYSTEM]: NET, start NAT
Apr 12 10:53:22 [SYSTEM]: NET, stop Firewall
Apr 12 10:53:22 [SYSTEM]: NET, stop NAT
Apr 12 10:53:22 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:53:19 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:53:19 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:53:19 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:52:04 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:52:04 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:52:04 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:52:04 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:52:03 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:52:03 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:52:02 [SYSTEM]: NET, start Firewall
Apr 12 10:52:02 [SYSTEM]: NET, start NAT
Apr 12 10:52:02 [SYSTEM]: NET, stop Firewall
Apr 12 10:52:02 [SYSTEM]: NET, stop NAT
Apr 12 10:52:02 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:51:59 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:51:59 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:51:59 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:51:55 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:51:55 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:51:55 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:51:55 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:51:54 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:51:54 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:51:53 [SYSTEM]: NET, start Firewall
Apr 12 10:51:53 [SYSTEM]: NET, start NAT
Apr 12 10:51:53 [SYSTEM]: NET, stop Firewall
Apr 12 10:51:53 [SYSTEM]: NET, stop NAT
Apr 12 10:51:53 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:51:50 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:51:50 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:51:50 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:45:47 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:45:47 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:45:47 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:45:46 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:45:45 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:45:45 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:45:44 [SYSTEM]: NET, start Firewall
Apr 12 10:45:44 [SYSTEM]: NET, start NAT
Apr 12 10:45:44 [SYSTEM]: NET, stop Firewall
Apr 12 10:45:44 [SYSTEM]: NET, stop NAT
Apr 12 10:45:44 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:45:41 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:45:41 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:45:41 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:45:20 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:45:20 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:45:20 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:45:20 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:45:18 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:45:18 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:45:18 [SYSTEM]: NET, start Firewall
Apr 12 10:45:18 [SYSTEM]: NET, start NAT
Apr 12 10:45:17 [SYSTEM]: NET, stop Firewall
Apr 12 10:45:17 [SYSTEM]: NET, stop NAT
Apr 12 10:45:17 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:45:14 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:45:14 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:45:14 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:42:56 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:42:56 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:42:56 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:42:56 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:42:55 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:42:55 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:42:54 [SYSTEM]: NET, start Firewall
Apr 12 10:42:54 [SYSTEM]: NET, start NAT
Apr 12 10:42:54 [SYSTEM]: NET, stop Firewall
Apr 12 10:42:54 [SYSTEM]: NET, stop NAT
Apr 12 10:42:54 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:42:51 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:42:51 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:42:51 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:42:48 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:42:48 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:42:48 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:42:47 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:42:46 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:42:46 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:42:45 [SYSTEM]: NET, start Firewall
Apr 12 10:42:45 [SYSTEM]: NET, start NAT
Apr 12 10:42:45 [SYSTEM]: NET, stop Firewall
Apr 12 10:42:45 [SYSTEM]: NET, stop NAT
Apr 12 10:42:45 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:42:42 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:42:42 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:42:42 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:38:24 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:38:24 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:38:24 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:38:18 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:38:16 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:38:16 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:38:15 [SYSTEM]: NET, start Firewall
Apr 12 10:38:15 [SYSTEM]: NET, start NAT
Apr 12 10:38:15 [SYSTEM]: NET, stop Firewall
Apr 12 10:38:15 [SYSTEM]: NET, stop NAT
Apr 12 10:38:15 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:38:12 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:38:12 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:38:12 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:36:51 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:36:51 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:36:51 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:36:45 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:36:44 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:36:44 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:36:43 [SYSTEM]: NET, start Firewall
Apr 12 10:36:43 [SYSTEM]: NET, start NAT
Apr 12 10:36:43 [SYSTEM]: NET, stop Firewall
Apr 12 10:36:43 [SYSTEM]: NET, stop NAT
Apr 12 10:36:43 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:36:40 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:36:40 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:36:40 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:30:13 [SYSTEM]: QoS, Stopping
Apr 12 10:30:12 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:30:12 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:30:12 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:30:06 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:30:05 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:30:05 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:30:04 [SYSTEM]: NET, start Firewall
Apr 12 10:30:04 [SYSTEM]: NET, start NAT
Apr 12 10:30:04 [SYSTEM]: NET, stop Firewall
Apr 12 10:30:04 [SYSTEM]: NET, stop NAT
Apr 12 10:30:04 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:30:01 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:30:01 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:30:01 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:29:10 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:29:10 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:29:10 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:29:09 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:29:08 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:29:08 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:29:07 [SYSTEM]: NET, start Firewall
Apr 12 10:29:07 [SYSTEM]: NET, start NAT
Apr 12 10:29:07 [SYSTEM]: NET, stop Firewall
Apr 12 10:29:07 [SYSTEM]: NET, stop NAT
Apr 12 10:29:07 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:29:04 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:29:04 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:29:04 [SYSTEM]: WAN, stop Static IP mode
Apr 12 10:29:01 [SYSTEM]: QoS, Stopping
Apr 12 10:29:01 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:29:01 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:29:01 [SYSTEM]: IPv6, Link Local mode
Apr 12 10:29:01 [SYSTEM]: DNS, start DNS Proxy
Apr 12 10:28:59 [SYSTEM]: NET, start IPv6 Firewall
Apr 12 10:28:59 [SYSTEM]: NET, stop IPv6 Firewall
Apr 12 10:28:58 [SYSTEM]: NET, start Firewall
Apr 12 10:28:58 [SYSTEM]: NET, start NAT
Apr 12 10:28:58 [SYSTEM]: NET, stop Firewall
Apr 12 10:28:58 [SYSTEM]: NET, stop NAT
Apr 12 10:28:58 [SYSTEM]: WAN, IP address=192.168.121.53
Apr 12 10:28:55 [SYSTEM]: WAN, start Static IP mode
Apr 12 10:28:55 [SYSTEM]: WAN, stop Static IP mode
------------------------------------------------------------------

My ISP has DHCP but i've put a static IP in the router as the the ISP has fixed my IP (i'm always getting the same IP from the DHCP server) and if i use Dynamic IP in the router it does the same thing as seen in the log, just that the timeouts are much bigger (up to 100s for everytime the WAN stops/starts the IP mode)

I hope i made sense in describing the problem.

Thank you!

[FurryNutz]

Link>Welcome!

• What region are you located?
• Are you wired or wireless connected to the router?
• Has a Factory Reset been performed?
• Was a Factory Reset performed before and after any firmware updates then set up from scratch?

FW Update Process

• 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?
• Is ISP Modem/Service using Dynamic or Static WAN IP addressing?
• What ISP Modem service link speeds UP and Down do you have?
• Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.
• If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems: Link>Double NAT and How NAT Works. To tell if the modem is bridged or not, look at the routers web page, Status/Device Info/Wan Section, if there is a 192.168.0.# address in the WAN IP address field, then the modem is not bridged. If the modem can't be bridged then see if the modem has a DMZ option and input the IP address the router gets from the modem and put that into the modems DMZ. Also check the routers DHCP IP address maybe conflicting with the ISP modems IP address 192.168.0.1. Check to see if this is the same on the ISP modem and if modem can't be bridged. If so, change the DIR router to 192.168.1.1 or .0.254.
  Example of a D-Link router configured for PPPoE with ISP Modem bridged: PPPoE Configuration on Router
• 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.

[niqu]

Hi,

- I'm located in EU region (Poland)
- I'm usually wireless connected to the router (but behaviour is the same if i'm wired)
- I've performed a factory reset
- I've updated the firmware and then did a Factory reset and set it up from scratch
- The router was working fine until a couple of months ago when it started doing these reconnects, this being the reason for me doing the firmware updates

- ISP service is through cable
- I'm connected to the ISP's network (ethernet) only through this router (DIR-615, HW ver:H2)
- ISP is using Dynamic IP addressing ( unfortunately ISP guys don't speak english too well and i can't get much from them - basically they told me to give them my MAC address and they have DHCP)
- i changed cable between ISP wall socket and my router

If i'm connecting to the ISP's network without the router everything is fine.
I'm thinking that router might be dying (even if i only had it for one year), as i'm also getting (not so often) some weird behaviour like:
- router working, connections ok, but router page can't be accessed
- router freezing (connections down, router page not accessible)

[FurryNutz]

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. Besure to log into the Admin account on 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 on DNS Relay  under Setup/Networking. Link>Finding Faster DNS Addresses using Name Bench and input new DNS addresses under Setup/Internet/Manual.
• 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 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. The DST setting is only needed in the NA region. Tools/Time.

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 that's 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?
• 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. 13 for EU regions.
• 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.
• What wireless devices do you have connected?
• Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by?
• 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, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless.
• 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."
3-6' feet minimum safe distance between devices.