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Author Topic: speedtest causes router to crash  (Read 7668 times)

davew1

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speedtest causes router to crash
« on: March 14, 2013, 07:39:33 AM »

hi all. just bought this router and as title says whenever i try a speedtest i get my download speed results but when it trys for the upload speed it crashes the router. i also get a lot of these messages in my logs.

Blocked incoming TCP packet from 31.13.72.7:443 to 82.17.122.229:58384 as RST:ACK received but there is no active connection

hope this is an easy fix. off to work now so will check back later.

cheers, Dave
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FurryNutz

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Re: speedtest causes router to crash
« Reply #1 on: March 14, 2013, 07:46:24 AM »

Link>Welcome!
What Hardware version is your router? Look at sticker under router.
Link>What Firmware version is currently loaded? Found on routers web page under status.
What region are you located?
Are you wired or wireless connected to the router?
Has a Factory Reset been performed?

What ISP Service do you have? Cable or DSL?
What ISP Modem Mfr. and model # do you have?
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.
Double NAT
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.
Check ISP MTU requirements, Cable is usually 1500, DSL is around 1492 down to 1472. Call the ISP and ask. Link>Checking MTU Values

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.
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.
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.
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 uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules.
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.
 
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 PC while testing.

Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.

What browser are you using?
Try Opera or FF? If IE 8 or 9, set compatibility mode and test again.
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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davew1

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Re: speedtest causes router to crash
« Reply #2 on: March 15, 2013, 04:31:37 AM »

Hi. I'm on A4 hardware with 1.35EU firmware.  I'm in Northeast england. and I'm connected both wired and wireless. And I've tried factory reset. as soon as any upload takes place everything loses connection.
everything worked fine on the 615 I'm upgrading.

I'm with virgin media gettin 120meg package on cable and its the modem they supply and worked with previous d link router.

Ive tried the settings you suggested and still get the same results. everything loses connection with speedtest upload.

also just noticed. keep having to rejoin network on iphone where before it would automatically join known networks?

hope you can help.

regards, Dave.
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FurryNutz

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Re: speedtest causes router to crash
« Reply #3 on: March 15, 2013, 07:11:08 AM »

Link>Wireless Installation Considerations
What wireless modes are you using? Under Setup/Wireless/Manual.
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.
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.
What wireless devices do you have connected?
Any cordless house phones?
Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?

Try turning off Short GI, WLAN Partition,and Extra Wireless Protection if you have it. Under Advanced/Advanced Wireless.
Enable WMM Enable Under Advanced/Advanced Wireless.
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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davew1

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Re: speedtest causes router to crash
« Reply #4 on: March 15, 2013, 05:35:19 PM »

Tried resseting and starting from fresh with all settings from both posts and now nothing connects wirelessly or wired. Totally stumped now. Will have another go in morning.
Thanks. Dave
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FurryNutz

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Re: speedtest causes router to crash
« Reply #5 on: March 21, 2013, 07:05:06 AM »

You get this working?  ???
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Cable:200mb/10Mb>NetGear C7800>DIR-882>DGS-1100>HP 24pt Gb Switch. COVR-3902/2202/1203,DIR-2680,890L,882,880L,868L,DNR-202L,DNS-345x2,DCS-933L,936L and 960L.
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