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How to change the MTU on a Linksys router ?

An appropriate MTU value is important to the proper operation of any network. To change the MTU on a BEFSR series Linksys routers, simply follow the steps below:

1. Connect to your router's admin interface. Usually The default username is blank, default password is "admin" (without the quotes).

2. Click on the Advanced tab from the menu.

3. Select the Filters tab and find "MTU" towards the bottom. Select "Enable", enter your desired MTU value (usually 1500, or 1492 for PPPoE) in the text field on the right, and click Apply. The router will restart to apply the new settings.

  User Reviews/Comments:
by anonymous - 2006-12-01 05:33
lol @ you m8..........

enter desired mtu setting......... and as if noobs know what that might be

dont talk about wot u dont know nothing of........

ha ha ha

ouch me sides are sore now
by Philip - 2006-12-01 13:46
This FAQ is intended to provide instructions on the specifics of changing your MTU value using that router's administration interface provided you know what you'd like it changed to - deciding what number to use is well outside its scope.

We have a number of articles and other resources to help you determiine the specific MTU value that works well for your connection.
by anonymous - 2007-08-15 17:25
when I click on the advanced tab, I see no tab marked for filters. Where exactly is it?
by pimpje - 2008-11-14 10:05
hi guys, i have problem wit my linksys router because... i cant get to the control panel site which u are talking about... is there any way to change these settings? i try to make my xbox online but i have a MTU problem...
by Richard - 2009-06-16 12:41
You're looking to change your MTU. I'm not sure which type of Linksys router you have but I found the settings on mine under the "Setup" tab and the sub tab "Basic Setup" Which is the first page it takes you to. On mine there are different sections the first being. Language and the second is Internet Setup it's the last option on Internet Setup.

I thought I had a problem with my MTU but turns out XBOX Live is just down for scheduled maintance,lmao :D
by anonymous - 2009-06-16 18:30
I tried accessing the address as indicated by when i typed in 'admin' into the password field (without the quote marks) it wasnt letting me access it still, i think the passwords been changed :s
by Joey - 2009-06-16 22:54
ya Im getting the same. It probably just down xbox.xom is down to
by Zach - 2009-06-16 23:46
I cannon connect to my router's admin interface. The default username and password do not work. Anything I can do?
by Philip - 2009-06-17 03:01
Most routers can be reset to their factory default state by hoding down a "reset" button (while booting the router on some) for a few seconds.

Note that resetting the router can change its subnet to the default, as well as any wifi security, so you will probably have to go over its settings after the reset.
by headshot king13 - 2010-04-30 18:05
ok with me admin pass would work u have to use the password u used to create the connection with then it will work
by anonymous - 2010-09-09 18:20
Where is the admin interface?
I have a linksys router.
Want to change the mtu-level because I get an mtu error trying to connect to xbox live.
Anyone who could help??
by anonymous - 2012-02-19 09:24
yeah it says advanced options and there is no filter setting
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