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Author Topic: Slow network performance  (Read 2975 times)

timko

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Slow network performance
« on: December 16, 2012, 04:08:47 AM »

Hello,

my wireless network is terribly slow, Im having a Dir-655 hardware Version: A4 with firmware Version: 1.35EU.
When connecting wired I get like 50 mbit downspeed when taking the speedtest.net test while wireless only gives between 2 and 7 mbit a second. Also things like transferring a file from one computer to another or streaming video to the ps3 goes very slow.
The distance between the router and the computer is like 3 ~4 meter with a floor between.
According to a wifi scanner app on my phone channel 11 should be the best available channel.

My wireless network settings:


What kind of settings should I try to play with to increase the speed?
« Last Edit: December 16, 2012, 04:24:38 AM by timko »
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FurryNutz

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    • Router Troubleshooting
Re: Slow network performance
« Reply #1 on: December 17, 2012, 08:59:47 AM »

It's always recommended to test speednet.net using a wired LAN connection. Theres too many variables and external conditions that effect WiFi speed testing to gain accurate results.

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.
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.
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.
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

Link>Wireless Installation Considerations
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 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?
Turn off WISH, and WPS under Advanced.
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.

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.
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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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