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How to change the MTU in dataone(UT300R2U)?

This is a discussion on How to change the MTU in dataone(UT300R2U)? within the BSNL broadband forums, part of the Broadband Internet Service Providers category; I have a problem opening some certain sites. While searching on google , I came to know changing the MTU ...

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How to change the MTU in dataone(UT300R2U)? How to change the MTU in dataone(UT300R2U)?

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Old 06-26-09, 03:08 PM   #1
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Default How to change the MTU in dataone(UT300R2U)?
I have a problem opening some certain sites. While searching
on google , I came to know changing the MTU may solve the problem.

os : windows xp service pack 2
router type : UT300R2U.

I can't find any option to change the MTU value in my modem.

please help .

best regards,
Spectre
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Old 06-26-09, 03:44 PM   #2
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MTU option will be in internet connection settings. Before trying MTU, try Open DNS
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Old 06-26-09, 06:31 PM   #3
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Quote:
Originally Posted by Spectre View Post
I have a problem opening some certain sites. While searching
on google , I came to know changing the MTU may solve the problem.

os : windows xp service pack 2
router type : UT300R2U.

I can't find any option to change the MTU value in my modem.

please help .

best regards,
Spectre
1. In WAN settings uncheck "Bridged" and select ppp/PPPoE
In the page where you enter UserID ( without @ bsnl.in ) and pw
MTU box may be available.
Quote:
PPP Username and Password

PPP usually requires that you have a user name and password to establish your connection. In the boxes below, enter the user name and password that your ISP has provided to you.


PPPoE Service Name:
PPP Username:
PPP Password:
PPPoE Service Name:
Authentication Method:

Enable Fullcone NAT

Manual connect
Dial on demand (with idle timeout timer)
Inactivity Timeout (minutes) [1-4320]:

MTU [1000-2000]:
PPP IP extension
Use Static IP Address
**************************************
2.
try tcp/ip optimizer from speedguide.net.
follow the instructions.
Post ipconfig /all data
Start run type cmd type ipconfig /all
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Old 06-26-09, 07:22 PM   #4
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you can do this in windows too Prashanth Speaks-Technology and Life: How To Change MTU Values In Windows
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Old 06-26-09, 08:58 PM   #5
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Quote:
Originally Posted by meetdilip View Post
MTU option will be in internet connection settings. Before trying MTU, try Open DNS]
hi mate , I am using Ppp over Ethernet , not bridged mode so I don't have
to manually connect to the Internet.Sorry I did not mention this before. :P

Please provide me with information how to change the dns with my Router.
Last edited by Spectre; 06-26-09 at 09:17 PM.
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Old 06-26-09, 09:03 PM   #6
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Explained here (with screen shots)

http://www.indiabroadband.net/broadb...nectivity.html (How to repair - Limited or No connectivity)
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Old 06-26-09, 09:16 PM   #7
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Hey Essbebe , how you doing mate?

Well bro , there is no MTU box available there.


Code:
 
« SpeedGuide.net TCP Analyzer Results » 
Tested on: 06.26.2009 10:31 
IP address: 117.198.x.xxx 
Client OS: Windows XP 
 
TCP options string: 0204058c01010402 
MSS: 1420 
MTU: 1460 
TCP Window: 65535 (NOT multiple of MSS) 
RWIN Scaling: 0 bits  
Unscaled RWIN : 65535 
Recommended RWINs: 65320, 130640, 261280, 522560, 1045120 
BDP limit (200ms): 2621kbps (328KBytes/s)
BDP limit (500ms): 1049kbps (131KBytes/s) 
MTU Discovery: ON 
TTL: 112 
Timestamps: OFF 
SACKs: ON 
IP ToS: 00100000 (32) 
    Precedence: 001 (priority)
    Delay: 0 (normal delay)
    Throughput: 0 (normal throughput)
    Reliability: 0 (normal reliability)
    Cost: 0 (normal cost)
    Check bit: 0 (correct)
DiffServ: CS1 001000 (8) - class 1 (RFC 2474). Similar forwarding behavior to the ToS Precedence field.
Ipconfig data

Code:
Windows IP Configuration

        Host Name . . . . . . . . . . . . : sun-8daf7f7408d
        Primary Dns Suffix  . . . . . . . :
        Node Type . . . . . . . . . . . . : Unknown
        IP Routing Enabled. . . . . . . . : No
        WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

        Connection-specific DNS Suffix  . :
        Description . . . . . . . . . . . : Realtek RTL8139 Family PCI Fast Ethe
rnet NIC
        Physical Address. . . . . . . . . : 00-30-18-AB-44-69
        Dhcp Enabled. . . . . . . . . . . : Yes
        Autoconfiguration Enabled . . . . : Yes
        IP Address. . . . . . . . . . . . : 192.168.1.2
        Subnet Mask . . . . . . . . . . . : 255.255.255.0
        Default Gateway . . . . . . . . . : 192.168.1.1
        DHCP Server . . . . . . . . . . . : 192.168.1.1
        DNS Servers . . . . . . . . . . . : 192.168.1.1
        Lease Obtained. . . . . . . . . . : 2009-06-26 19:39
        Lease Expires . . . . . . . . . . : 2009-06-27 19:39
Quote:
Originally Posted by meetdilip View Post
thanks , I got it but have not yet try it though. :P

I have downloaded DRTCP and Speed Optimizer for changing the MTU but have not changed it yet.

Edited : I have changed my dns server

one down , one to go ..

Now it's MTU turn ...

Waiting for your replies ..
Last edited by Spectre; 06-26-09 at 09:32 PM. Reason: Automerged Doublepost
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Old 06-26-09, 09:52 PM   #8
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@spectre
I mentioned
Quote:
MTU box may be available.
Depends on the Firmware version.
There are two versions of Ut300r2u Old and new .
members respond to posts with minimum input from thread starters
and have to assume so many details.

Also other option/s were mentioned.
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Old 06-26-09, 09:59 PM   #9
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Changing DNS is a simple process. You can always switch back to previous one.
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Old 06-26-09, 10:47 PM   #10
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Quote:
Originally Posted by essbebe View Post
@spectre
Also other option/s were mentioned.
So the other options you mentioned in your first post do works?

I read somewhere in the different site's forum these options change only
registry values only but the modem's MTU does not get affected.Sites such as
speedguide.net shows the unaffected results.

please confirm this.
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Old 06-26-09, 11:05 PM   #11
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Open DNS failed to yield result ?
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Old 06-26-09, 11:52 PM   #12
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Quote:
Originally Posted by meetdilip View Post
Open DNS failed to yield result ?
Nope bro , it's working like a heaven.

But I am determined to change the MTU value, Call me crazy.

I greatly appreciate your help.
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