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My Guide to Fixing a Common Timing Out Error.

post #1 of 5
Thread Starter 
Do you often have problems with pages timing out, especially secure ones such as Newegg? This can be caused by many things, but a real common one that you may overlook is your default MTU setting may be too high.

If you are new to networking you may be asking just what an MTU is:

http://en.wikipedia.org/wiki/Maximum_transmission_unit
Quote:
In computer networking, the term Maximum Transmission Unit (MTU) refers to the size (in bytes) of the largest packet that a given layer of a communications protocol can pass onwards. MTU parameters usually appear in association with a communications interface (NIC, serial port, etc.). The MTU may be fixed by standards (as is the case with Ethernet) or decided at connect time (as is usually the case with point-to-point serial links). A higher MTU brings higher bandwidth efficiency. However, large packets can block up a slow interface for some time, increasing the lag for further packets.
1500 Bytes is the largest packet size that is able to be sent through the network layer and is thus set as the default in your router (typically). Some sites, especially secure ones limit the size of these incoming packets and or the larger packets take longer to register through the secure server and cause you to time out. I will now show you how to lower this setting and allow you to browse in harmony once more.

This is a really simple procedure, as all you will need to do is enter your router’s settings and configuration page and lower a value. For those of you who are completely new to this sort of thing I will give you the step by step guide on how to complete this task.

First open up the command prompt:
Start -> Run -> Cmd -> OK

Once your command prompt is open type in the following: ipconfig



The address in the white box is your default gateway and is how you access your router’s configuration page. *Note* This address varies router to router, but will always be the one following ‘default gateway.’

Now open up your web browser of choice and enter the same address into the URL bar. Once you hit enter you may be prompted with a window asking for a username and password. If you have preset one and remember it, enter the information now. If you have not set a username and password the default is generally admin for both sections, hit enter and it will continue to your router’s page.



Now that you are on your router’s page you will need to find the area that contains the MTU setting, on my router it was in Basic Setup, and is found here on most. You will see that MTU is set to ‘Auto’ and the value is grayed out; so the first step is to change it to manual so that you can edit the values.



Once set to manual the value will become changeable, and can be lowered. I personally have found anywhere below 1400 to work, but it is up to you. I would recommend 1300, or 1400.



Once the value is changed, hit Save Settings and your router will reboot. You should now be able to browse sites without timing out.




(I know this guide is excruciatingly basic, but I have heard quite a few people having timing out issues and well frankly a lot of people really haven’t ever messed around with even the most basic of networking and need step by step instructions. I just hope this guide will help some one eventually.)

-Skeletor
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post #2 of 5
Neat little trick, I don't usually time out on webpages, but I didn't know about some websites not allowing 1400+ MTU's...
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post #3 of 5
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Quote:
Originally Posted by Criswell View Post
Neat little trick, I don't usually time out on webpages, but I didn't know about some websites not allowing 1400+ MTU's...

I didn't either, my Brother's store couldn't access some of their wholesale webpages so I just tampered until I figured it out. Then once I enrolled in Network + in my highschool I read about it.
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post #4 of 5
Oh my god, this little trick just stabilized my BEFSR41, and to think I was saving up for a new router...
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post #5 of 5
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Quote:
Originally Posted by arkheii View Post
Oh my god, this little trick just stabilized my BEFSR41, and to think I was saving up for a new router...
Very nice, see, an easily overlooked setting can be the cause of all your problems. I am glad my guide helped you and saved you some money on uneeded hardware .
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