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[DejanM]

I have connected properly cable modem to router and then using network cable i connect router->computer.
Next step go to D-LINK setup menu and put it on Dinamic DHCP. All did good, and report that i am connected but dont have internet.

Log error was -> Whole System SYN Flood Attack from WAN Rule:Default deny

Help please.

- windows 8.1 64bit
- Motorola SB5101E (cable modem)

and time to time reporing DNS server is not responding error??

[FurryNutz]

Link>Welcome!

• What Hardware version is your router? Look at sticker under router.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

Internet Service Provider and Modem Configurations

• 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.
• 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. 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
• 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. Tools/Time.

[DejanM]

I solved the problem. But i have another. When connect wireless with mobile LG 4 II, internet is just disconnecting. (it is disconnecting in computer and mobile)


On my mobile i put:

WPA/WPA2 PSK, and connect is working, but in like 5 sec, disconnect both computer and mobile device.

[FurryNutz]

I recommend that you set up wireless SSID and name under Setup/Wireless/Manual.

Disable WPS as it's not needed for this...

Have the mobile device or wireless device connect to the SSID name and PW that you set up under Setup/Wireless/Manual.

[DejanM]

I did that but same problem.

[DejanM]

And its only with mobile! I use wireless to connect second computer. It is working good.

[FurryNutz]

• What Hardware version is your router? Look at sticker under router.
• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?

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?
• 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.

As a test, disable WiFi security temporarily on the router. Does the mobile device connect then and stay connected?

How far is the router from the device?

• Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?

[DejanM]

1. Hardware version: Cloud Router N300 DIR605L
2. Firmware version: 2.00 Fri 22 Mar 2013
3. Serbia
4. Cable
5. Motorola SB5101E surfboard Cable modem
6. Dynamic IP
7. Download speeds up to 38 Mbps
8. WPA/WPA2, AUTO (TKIP/AES), PSK
9. "As a test, disable WiFi security temporarily on the router. Does the mobile device connect then and stay connected? "  It connect but DONT stay connected.
10. About 30 cm, or 2-3 feet.
11. I cant use it, ask for money.

[FurryNutz]

Try changing the WiFi mode from Mixed to single mode G...will the device stay connected then?

I presume since the other devices are connecting and keep the connection, the problem maybe be with this particular mobile device and not the router...