As of 10/15/01, there is no known way to raise MTU in WinXP from 1480. This issue is seen only by WinXP users who are connecting with the built-in PPPoE connection software. If you change to RASPPPoE, or use a router instead, your MTU should then default to 1492. RASPPPoE is popular, free and less problematic than WinPoet (another choice).

This small difference (12 bytes) in MTU is negligible, however, and should cause no concern. Check back from time to time, though, for a "fix."

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by Pinan
last modified: 2008-04-30 19:16:44