ADSL & windows XP

[alaa.musa]

I have a problem with my customer whom have a windows XP if they connect to my ADSL service using windows XP dialer they couldn't make most of site such as yahoo mail or symantec , if i use anther dialer for windows xp such as

PPP dialer it work perfectly . could some oneadvice about this problem .

[Erick Bergquist]

A majority of DSL users need to set their MTU to 1492 for things to work good. Try changing their MTU on the DSL interface. You may have to try a few different #s. Generally start w/1492 and if that doesn't work try 1490, 1480, etc.

[alaa.musa]

The problem solved , it was an IOS bug , i change the IOS the every thing working fine .

thanks alot