How to modify the MTU in the 7050?

[zooster]

Is it possible to modify the MTU in the 7050?

 

[zooster]

Anyone knows it?

 

[rpc]

These are standard things ...

as far as I remember, for PPPoA you have MTU 1500, for PPPoE it will be 1492, these are Internet standards that you won't be able to change ...

 

[sskracic]

Is it possible to modify the MTU in the 7050?

What exactly are you trying to achieve? MTU of which interface (lan, wan)? FYI, telnet into Fritz and issue eg.:

# ifconfig eth0 mtu 1440

 

[zooster]

Wan. Because my provider will need a different MTU than the usual 1500.
Then I have only to # ifconfig eth0 mtu 1440 f.e.?
Will it be saved, or I have to retype it everytime the modem reboots?
And... how can I check the actual MTU?
Thanks.

 

[Fritzbox]

Go to Google for TCPOptimizer.exe. This is a nice tool that does what you want.

 

[zooster]

?what?
I don't use 7050 in usb mode, so the mtu to change is inside the router not in my windows, omg..

 

[sskracic]

Wan. Because my provider will need a different MTU than the usual 1500.
Then I have only to # ifconfig eth0 mtu 1440 f.e.?
Will it be saved, or I have to retype it everytime the modem reboots?
And... how can I check the actual MTU?
Thanks.

We still don't know whether you have a DSL or Cable provider. Type 'ifconfig' at your Fritz! box telnet prompt and you will see a list of all configured network interfaces. The list is long, since lots of stuff is going on inside Fritz 7050 (eg. wireless and bridging to ethernet LAN etc). Most likely you'll need to change the 'dsl' interface. Type:

# ifconfig dsl

... and you'll see a 'MTU: 1500' somewhere in output. To change the MTU only for that interface, type:

# ifconfig dsl mtu 1440

If you want your changes to be persistent across reboots, you have to add that command to /var/flash/debuh.cfg file. You can do it without invoking any editor by:

# echo "ifconfig dsl mtu 1440" >> /var/flash/debug.cfg

 

[zooster]

My provider is a DSL one in PPPoA.
Thank you man.