Question about Edimax BR-6104K Router (br6104k)

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What is MTU? wut does it stands for and what is it for?

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Hello - MTU stands for Maximum Transmission Unit which is a measure of the size of a data "chunk" that can be sent over a network at a time. For example, if you are connected to the Internet using Ethernet the standard MTU is 1500 bytes while being connected over a WiFi connection would mean your using an MTU of 2272 bytes while an old fashioned modem would send 576 bytes at a time.


The MTU usually refers to the TCP/IP protocol which was developed for and is the networking standard for the Internet. MTU has standards for different networking devices, Ethernet, Modems, etc. but they can be modified for the purpose for special uses to achieve greater efficiency.


To read more about MTU there is a more complete description of it at the Wikipedia entry HERE.


Happy Networking


Mikeywaf

Posted on Mar 19, 2011

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Hi,


MTU stands for Maximum Transmission Units. In layman's terms, it is how much data you send/receive in one burst. Mostly newbies think that if you set it higher, you'll send more information in each packet making it faster. It may be true but those packets need to travel to and fro to other networks, if set to 1500 (or smaller) and because the packets are too big, the router will divide them so can fit on the new network and actually slowing the process of sending/receiving data.



I hope this works for you. Kindly reply for further assistance. Good Luck!


Thanks for using Fixya!
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TIPS: Is your computer slow? This might help
http://www.fixya.com/support/r8158906-diy_manual_pc_tune_up
(for Windows only)

Posted on Mar 19, 2011

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WHAT IS MTU


MTU stands for Maximum Transmission Unit (the maximum size for packets). On most systems it is 1500.

Jan 15, 2012 | Computers & Internet

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Increasing Speed of Internet Using MTU settings in xp


Increasing Speed of Internet Using mtu settings in Windows XP:
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. 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.

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. 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.

The default and maximum PPPoE MTU size is 1,480 bytes. With some Internet service providers (ISPs), you may have to reduce the MTU size of a PPPoE connection to a value between 1,400 and 1,480 (for example, to 1,454). Do not set an MTU size smaller than 1,400.
Modify the MTU size requires registry editing in windows xp
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To modify the PPPoE MTU size, create the following registry key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Ndiswan\Parameters\Protocols\0
Then add the following registry entries.Entry name Data type Value data
ProtocolType REG_DWORD 0x00000800
PPPProtocolType REG_DWORD 0x00000021
ProtocolMTU REG_DWORD the appropriate MTU size (in decimal)

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Ndiswan\Parameters
3. On the Edit menu, point to New, and then click Key.
4. Type Protocols, and then press ENTER.
5. On the Edit menu, point to New, and then click Key.
6. Type 0, and then press ENTER.
7. On the Edit menu, point to New, and then click DWORD Value.
8. Type ProtocolType, and then press ENTER.
9. On the Edit menu, click Modify.
10. Type 800, and then click OK.

11. On the Edit menu, point to New, and then click DWORD Value.

12. Type PPPProtocolType, and then press ENTER.

13. On the Edit menu, click Modify.
14. Type 21, and then click OK.

15. On the Edit menu, point to New, and then click DWORD Value.

16. Type ProtocolMTU, and then press ENTER.
17. On the Edit menu, click Modify.

18. Type the appropriate MTU size (decimal value), and then click OK.

19. Quit Registry Editor.
Restart the computer for the changes to take effect

on May 25, 2008 | Microsoft Windows Vista Home Premium with...

1 Answer

How do i change my mtu settinggs


To change the MTU rate on your router follow the steps below:
Open your browser, enter the IP address of your router (192.168.0.1) and click OK.
Enter your username (admin) and password (blank by default).
Click OK to enter the web configuration page for the device.
Click on Setup and then click Manual Configure.
To change the MTU enter the number in the MTU field and click Save Settings.
If changing the MTU does not resolve the problem, continue changing the MTU in increments of ten.

1500 is the default MTU for Dynamic (DHCP) Cable (p. 20 in user manual).
1492 is the default MTU for PPPoE (Point to Point Protocol over Ethernet) DSL (p. 22 in user manual).
Other MTU settings are listed in the manual, simply do a search for "MTU".

Note: AOL DSL+ users must use MTU of 1400.

To find the proper MTU Size, you'll have to do a special ping of the destination you're trying to go to. A destination could
be another computer, or a URL (p. 86 in user manual).

Here is the PDF link to the User Manual:
http://www.dlink.com/-/media/Consumer_Products/DGL/DGL%204500/Manual/DGL%204500_Manual_EN_US.pdf

Sep 20, 2011 | D-Link DGL-4500 Wireless Router

1 Answer

Not enough mtu to go to xbox live at hotel


An MTU is the largest physical packet size, measure in Bytes that a network is capable of transmitting.. If messages are larger than the MTU they are divided into smaller packets before they can be sent. All networks have different MTU's which the owner of the network set at what they want to set it at. 576 is a very common MTU if you connect through PPP. 1500 is the most common MTU for Ethernet connections. The Xbox Live system requires your network to have a certain Maximum Transmission Unit (MTU). MTU values are important to the performance of online games. If this test fails, you can adjust the MTU setting on your network router or equivalent device to resolve the problem. Xbox live requires the network you use to have a maximum MTU. This is key to online gamesing. If the MTU fails then you have to adjust the router you are using. If you cannot access the router to adjust the MTU the you will not be able to play online games.

Mar 22, 2011 | Microsoft Xbox 360 Console

2 Answers

How do i change mtu setting in motorola 3347


the gateway of the router is actually 192.168.1.254

Then you click on home, configure, wan, then PPP over Ethernet vcc1 under WAN IP Interfaces, then advanced at the bottom.

Click advanced at the bottom.

Under LCP settings, They call it MRU

that is the same as the MTU, which stands for Maximum Transmission Unit, and the default is 1492. some routers put in 1500, but they are rounding off. If you reset the MTU, set it to 1468, it has to go down evenly in 8's, because you are talking about shapping the data packets that are coming in. Only do this if you are connected no browse, or cant get cerrtain websites. Not all routers can handle jumbo packets, but to be honest, I have never seen an MTU issue on a netopia, and I deal with problem issues on netopias all day long.

spin

.

Jun 16, 2009 | Netopia 3346N-ENT Router (3346NENT)

2 Answers

My xbox live is saying mtu failed


Hi,

MTU stands for maximum transmission unit, which is, the maximum data that can be transmitted each time a network device sends out a signal.
I don't think you can change the MTU in the Xbox 360 dashboard.
You will probably have to go through a router to get around it.

the Maximum transmission unit is 1500, but for the Xbox 360 it must be set within the range 1364 – 1492.

So please access to the router setting on your PC & set it within the range 1364 – 1492 or call your ISP or router manufacturer to assist you doing so if you do not know how to access to your router settings.

I can give some steps to access router settings,

The way to access to your router settings differs from one router to another but basically it will always be through your PC most of them would be as follows:
1. Open an Internet explorer page on your PC.
2. On the address bar type 192.168.1.1 as for Netgear routers and 192.168.2.1 as for Belkin routers or 192.168.1.1 as linksys routers, if you have even any other brand you can try these three numbers I reckon one of them will work.
3. Then you click GO.
4. You'll get your router settings main page on the screen asking you for your Username & password usually by default the password will be even the same as the Username (Username: admin, Password: admin) OR it will be password (Password: password).
5. You can there look for MTU settings, it differs from one router to another you can just look for it then set it to 1365 as we said before.


Hope my info fix your problem,
Thanx for using fixya,
Cheers.

Sep 29, 2008 | Microsoft Xbox 360 Controller

1 Answer

Connection problems


MTU stands for "Maximum Transmission Connection". Some routers and/or network gateways are incompatible with Xbox LIVE, while others may be compatible but merely need to have a setting changed. If you compare your router to the list of routers at the following web address, you can confirm whether or not your hardware has been confirmed as compatible with Xbox LIVE by Microsoft:

http://www.xbox.com/en-US/support/connecttolive/xbox360/homenetworking/equipment.htm

Whether or not your hardware is listed as compatible, it would still be a good idea to check your instruction manual for the hardware you are using and see how (if possible) to change the MTU settings. Microsoft suggests that the MTU setting should be 1364. Using untested hardware or hardware not listed as compatible may still work, however, future updates to LIVE may suddenly make your hardware incompatible, as updates to LIVE and the Xbox console are made to work with the specifications of tested and listed compatible routers and gateways.

Aug 13, 2008 | Microsoft Xbox 360 Console

1 Answer

Mtu


If you have your Xbox connected through a router, most routers, on their control panel (192.168.1.100 for example) give you the option of setting an MTU, or leaving it to default. This option is normally found on the setup page of your routers control panel.

MTU stands for maximum transmission unit, basically a speed thing.

If you can set it, change it to something above 1500 depending on how fast your internet connection is, but I am fairly certain that 1500 is the minimum that you would want to have set for xbox live.

Another way to do it is, if your router has this option, set the MTU to Automatic. That way your router (should) be able to do all of that dynamically as the need arises.

I hope this helps to solve your problem, good luck!

May 16, 2008 | Microsoft Xbox 360 Console

1 Answer

M t u


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 a slow interface for some time, increasing the lag on other packets. For example, a 1,500-byte packet, the largest allowed by Ethernet (and most of the Internet), would block up a 14.4k modem for about one second.
The default MTU on a PPPoE connection is 1,492. The default MTU for a DHCP or PPPoA connection is 1,500.
Increasing the MTU size beyond these levels is possible on a client computer, but not recommended, because the MTU size on the outbound connection to the ISP will nullify any potential gains from a larger MTU.

Apr 20, 2008 | Siemens SpeedStream Modem (4100) (SS4100)

1 Answer

MTU


MTU, Partial Loss of Internet Connection, and Performance MTU (Maximum Transmission Unit) is the largest packet a network device transmits. The best MTU setting for NETGEAR equipment is often just the default value. MTU is sometimes presented as something that can be easily changed to improve performance, but in practice this may cause problems. Leave MTU unchanged unless one of these situations applies: 1. You have problems connecting to your ISP or other Internet service, and their technical support (or NETGEAR's) recommends changing MTU. For example, these services may require an MTU change: * Yahoo email * MSN * AOL's DSL service 2. You use VPN, and have severe performance problems. 3. You used a program to "optimize" MTU for performance reasons, and now you have connectivity or performance problems. * An easy solution to most problems is to change MTU to 1400. * If you are willing to experiment, gradually reduce MTU as described in "Details of MTU", below. How to Change a Computer's MTU Size Note: If you change MTU on one computer, it is likely you will want to change it on your other computers, switches, and routers, as well. Instructions for changing MTU on other NETGEAR devices is found in the Reference Manuals. The third party Dr. TCP software can be used to change the MTU setting. 1. Download it from this link, choosing the zip file or the exe file at the top of the page. 2. Run the utility. 3. In the Adapter Settings pull down, select the Ethernet driver and adapter used to connect with the network. 4. In the MTU box, type the MTU size you are trying. 5. Click in any other box, without changing the data there. 6. Click Save. 7. Click Exit. 8. Restart the computer. Details About MTU A packet sent to a device larger than its MTU is broken into pieces. Ideally, MTU would be set to the same ? large ? value on all your computers, routers and switches, as well as on all the parts of the Internet that you access. But you cannot control the MTU on the Internet, and in practice the optimum MTU size on your LAN is related to your hardware, software, wireless interference, etc. * Tweaking MTU size may work well in one situation, but cause performance and connection problems in others. * When network devices with different MTU settings communicate, packets are fragmented to accommodate the one with the smallest MTU. * Windows XP sets MTU automatically, that is, it optimizes computer MTU for you. This Microsoft article explains resolving lack of connection to a broadband ISP using Windows XP: http://www.microsoft.com/windowsxp/using/networking/learnmore/ppoe.mspx * Once a network device fragments a packet, the data stays fragmented until arriving at the destination computer. Setting MTU size is a process of trial-and-error: start with the maximum value of 1500, then reduce the size until the problem goes away. Using one of these values is likely to solve problems caused by MTU size: * 1500. The largest Ethernet packet size; it is also the default value. This is the typical setting for non-PPPoE, non-VPN connections. The default value for NETGEAR routers, adapters and switches. * 1492. The size PPPoE prefers. * 1472. Maximum size to use for pinging. (Bigger packets are fragmented.) * 1468. The size DHCP prefers. * 1460. Usable by AOL if you don't have large email attachments, etc. * 1430. The size VPN and PPTP prefer. * 1400. Maximum size for AOL DSL. * 576. Typical value to connect to dial-up ISPs.

Feb 19, 2006 | NetGear DG814 DSL Modem Internet Gateway...

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