This is way many global+per-device sysctls work in the networking. The global setting is the default unless the per-device value is set, in which case it overrides the global value.
Changing the global value does not change the per-device values. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html