WRT330N Problems loading web pages (DNS??)

I have a new WRT 330N. I get a weird effect when using it. While web surfing, it is common that the browser (IE or FireFox) will return an error that they can not find the web page. If you reload many times you will finally load it. I have a high latency link (Satellite), but before you suspect the satellite, my older Linksys router does not have this problem. The error returns so quickly, I believe the router must be trying some kind of DNS caching or something. After you have been to a site one time, it responds fine (for some period of time (Hours)), but the next day you get to enjoy the error again.
This problem happens on both my PC and MAC.
I have tried it without using any security (WPA or WAP) and with.
I have changed my DNS servers, but am sure the ones I am using are quality.
I have the 1.00.3 firmware.
Thanks

The problem is still here, but I think I have found more clues.
If I look in the admin logs I se messages about blocked packets (No active connection). Could the router be loosing track of his TCP connections?
Note: I tried turning off firewall security on the router.
The text below has firewall on, but none of the three options is active.
[INFO] Thu Jan 17 19:01:02 2008 Log viewed by IP address 192.168.15.102
[INFO] Thu Jan 17 18:57:54 2008 Blocked incoming TCP packet from 205.188.7.134:5190 to 69.71.157.162:56745 as RST:ACK received but there is no active connection
[INFO] Thu Jan 17 18:56:54 2008 Blocked incoming TCP packet from 205.188.7.134:5190 to 69.71.157.162:56745 as ACK received but there is no active connection
[INFO] Thu Jan 17 18:54:54 2008 Previous message repeated 2 times
[INFO] Thu Jan 17 18:54:46 2008 Blocked incoming TCP connection request from 69.3.240.218:4341 to 69.71.157.162:135
[INFO] Thu Jan 17 18:54:01 2008 Previous message repeated 1 time
[INFO] Thu Jan 17 18:53:54 2008 Blocked incoming TCP packet from 205.188.7.134:5190 to 69.71.157.162:56745 as ACK received but there is no active connection
[INFO] Thu Jan 17 18:53:40 2008 Blocked incoming TCP connection request from 69.3.240.218:4341 to 69.71.157.162:135
[INFO] Thu Jan 17 18:53:22 2008 Previous message repeated 3 times
[INFO] Thu Jan 17 18:52:54 2008 Blocked incoming TCP packet from 205.188.7.134:5190 to 69.71.157.162:56745 as ACK received but there is no active connection
[INFO] Thu Jan 17 18:49:54 2008 Previous message repeated 3 times
[INFO] Thu Jan 17 18:47:26 2008 Blocked incoming TCP packet from 216.236.127.75:443 to 69.71.157.162:56756 as RST:ACK received but there is no active connection
[INFO] Thu Jan 17 18:47:26 2008 Blocked incoming TCP packet from 216.236.127.75:443 to 69.71.157.162:56751 as RST:ACK received but there is no active connection
[INFO] Thu Jan 17 18:46:35 2008 Blocked outgoing TCP packet from 192.168.15.102:56751 to 216.236.127.75:443 as PSH:ACK received but there is no active connection
[INFO] Thu Jan 17 18:46:35 2008 Blocked outgoing TCP packet from 192.168.15.102:56756 to 216.236.127.75:443 as PSH:ACK received but there is no active connection
[INFO] Thu Jan 17 18:46:34 2008 Time synchronized
[INFO] Thu Jan 17 18:46:34 2008 Requesting time from 207.46.232.182
[INFO] Thu Jan 17 18:46:23 2008 Blocked outgoing TCP packet from 192.168.15.102:56745 to 205.188.7.134:5190 as FIN:ACK received but there is no active connection
[INFO] Thu Jan 17 18:46:23 2008 Blocked outgoing TCP packet from 192.168.15.102:56745 to 205.188.7.134:5190 as PSH:ACK received but there is no active connection
[INFO] Thu Jan 17 18:46:18 2008 Initialization complete, starting DHCP server
[INFO] Thu Jan 17 18:46:16 2008 DHCP Server Parameter 19 was added to the parameter database
[INFO] Thu Jan 17 18:46:16 2008 DHCP Server Parameter 3 was added to the parameter database
[INFO] Thu Jan 17 18:46:16 2008 DHCP Server Parameter 1 was added to the parameter database
[INFO] Thu Jan 17 18:46:14 2008 Starting WAN Services
[INFO] Thu Jan 17 18:46:14 2008 Gateway remote administration enabled on port: 8080
[INFO] Thu Jan 17 18:46:14 2008 WAN interface is up. Connection to Internet established with IP Address 69.71.157.162 and default gateway 69.71.157.161
[INFO] Thu Jan 17 18:46:14 2008 Bringing up WAN using Static IP Address
[INFO] Thu Jan 17 18:46:14 2008 WAN interface cable has been connected
[INFO] Thu Jan 17 18:46:13 2008 Wireless system with MAC address 0017F246E72F associated
[INFO] Thu Jan 17 18:46:12 2008 DHCP Server Parameter 6 was added to the parameter database
[INFO] Thu Jan 17 18:46:12 2008 LAN interface is up
[INFO] Thu Jan 17 18:46:12 2008 LAN Ethernet Carrier Detected
[INFO] Thu Jan 17 18:46:11 2008 Device initialized
[INFO] Thu Jan 17 18:46:11 2008 Wireless Link is up
[INFO] Thu Jan 17 18:46:11 2008 No Internet access policy is in effect. Unrestricted Internet access allowed to everyone
[INFO] Thu Jan 01 00:00:00 1970 Loaded configuration from non-volatile memory

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Hi there I'm hoping someone can help me with this.
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Change your router channel. Sometimes this is all you will have to do.
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System Preferences/Internet & Network/Network
Unlock the padlock
Locations: Automatic
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Click the Assist Me button
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Configuring 802.1X in Mac OS X Lion and Later
Non-responsive DNS server or invalid DNS configuration can cause long delay before webpages load
Netspot
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OS X Mountain Lion: Check the status of your network connections
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If using one of Apple's Airport routers, read its user manual or post in its forum area. If using a 3rd party router, read its user manual, contact their tech support department/website or post in its forum area. Another possible solution - read mammothsuziq response https://discussions.apple.com/message/22082360#22082360

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Just moved to ISP PLUSNET and now loading web pages is dead slow.
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(First, if yours is an Intel Mac, check that Safari is not running in Rosetta, which is enough to slow it to a crawl. If you are running Snow Leopard, run Safari in 32 bit not 64 bit.)
Adding DNS codes to your Network Settings, should gives good results in terms of speed-up:
Open System Preferences/Network. Double click on your connection type, or select it in the drop-down menu. Click on TCP/IP and in the box marked 'DNS Servers' enter the following two numbers:
208.67.222.222
208.67.220.220
(An explanation of why that is both safe and a good idea can be read here: http://www.labnol.org/internet/tools/opendsn-what-is-opendns-why-required-2/2587 /
Open DNS also provides an anti-phishing feature: http://www.opendns.com/solutions/homenetwork/anti-phishing/ )
Wikipedia also has an interesting article about Open DNS:
http://en.wikipedia.org/wiki/OpenDNS
Whilst in System Preferences/Network you should also turn off 'IPv6' in your preference pane, as otherwise you may not get the full speed benefit (the DNS resolver will default to making SRV queries). If you want to know what IPv6 is:
This is Apple's guidance on iPv6:
http://docs.info.apple.com/article.html?path=Mac/10.5/en/8708.html
Click on Apply Now and close the window.
Restart Safari, and repair permissions.
If that didn't do it, then try this as well:
Empty Safari's cache (from the Safari menu), then close Safari.
Go to Home/Library/Safari and delete the following files:
form values
download.plist
Then go to Home/Library/Preferences and delete
com.apple.Safari.plist
Repair permissions (in Disk Utility).
Start up Safari again, and things should have improved.
More useful information here:
http://guides.macrumors.com/SpeedupSafari
Less likely, but possible, is that the slowness is caused by a Trojan such as the one called 'DNSChanger' or 'OSZ.RSPlug', which can alter the DNS settings of your network connection. This particular Trojan can be inadvertently installed if you have come across certain Quicktime movies where got a window stating that you have to download and install a particular codec in order to see the video.
If you have agreed to that installation, your system can be infected and your DNS settings altered, which results in your system using the wrong DNS servers, which can slow web surfing to a crawl.
This can be fixed by downloading and running a freeware utility called DNSChanger Removal Tool which you can download from here:
http://www.versiontracker.com/dyn/moreinfo/macosx/33696
Once you have run that utility you have to re-boot your Mac, then reset Safari, and re-enter your DNS settings in System Preferences/Network.

Often unable to load web pages.

My MacBook har suddenly decided to not load web pages ...
I surf around, and maybe one fifth of all the web pages won't load in my browser (both Firefox and Safari). It isn't something about the web pages, because after some time I can get them to load perfectly. I contacted my ISP, and they couldn't find anything wrong. Besides, I can surf just fine from other computers (non-Macs).
I wondered if it was something about the port, since all other apps work perfectly (for example Google Notifier and Audium is always connected), but https doesn't any better. I've also pinged web sites for a long time, without any evidence of something being wrong. One strange thing is that traceroute sometimes gives me "no such host," and then a moment later, it works with the same address.
It's not Airport either, because I now use a network cable and have the same problems.

There are several possibilities that come to mind.
Since HTTP transfers often fail, but lightweight protocols such as AIM don't, my first thought is MTU (Maximum Transmission Unit).
The standard MTU for ethernet networks is 1500 bytes. This means that all transfers are broken into chunks of 1500 bytes each before being sent over the network. In some cases, certain network configurations (such as DSL links that use PPPoE) require a lower MTU such as 1492 or even 1460.
Normally this isn't a problem since the router tells the client what MTU to use but sometimes this doesn't work - especially if you're using a NAT device.
When there's a mismatch your Mac doesn't know that it needs to use a lower MTU so sends traffic upstream at 1500 bytes and the router chokes when it tries to cram that data into its 1492 link.
This is why lightweight protocols often work - the typical AIM packet is less than the MTU and therefore doesn't need to get truncated. However, large file downloads exceed the MTU and run into problems.
If this is the case you can force your MTU to be lower using the System Preferences -> Network -> <interface> -> Ethernet tab. Switch from Automatic to Manual and you'll see options for changing the MTU. Try lowering it to 1460 to see if it works. If it does you can try increasing it until you find the optimal value.
If it wasn't for your statement traceroute sometimes gives me "no such host" I'd be sure this was the problem. However, MTU doesn't usually cause DNS failures since most DNS requests are small.
If your DNS is failing and the ISP belives the DNS server is working correctly, that hints at a link-level problem. Packets are getting lost somewhere along the link between you and the server.
The first thing to check here would be speed and duplex. The fact that you've used both AirPort and wired connections hints that it's not a problem directly on your machine, but what about the rest of the links between you and the router? I'm guessing you have an ethernet cable between your base station and a switch, maybe another cable between that switch and the router? Either of these cables could have a mismatch.
Without knowing the switch it's impossible for me to tell how you check the switch port configuration - some switches have LEDs on each link that tell you the speed and duplex, others have a command line or web interface that will give you port status and statistics. If you have such a switch, check it. Also check the switch logs if you can - you'll often see error messages such as 'excessive CRC errors' which can indicate a duplex mismatch.
If you can't get the information from the switch, try manually configuring your devices. The same preferences tab where you set MTU can also be used to set speed and duplex. Just be aware that if you choose a combination that the switch doesn't support (e.g. you choose gigabit but you're connected to a 100mbps switch), then the link will go down.
Try different options to see if any of them work any better for you.

WRT330N Problems loading web pages (DNS??)

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