In article <01139FC052A0D411900B00508B9535FC0820C43B@ZCH07EXM04.corp.mot.com> you wrote: > Does IP layer do fragment depend on the MTU? of course, at least as long as the DF bit is not set. If the DF is set, it wil lsend an ICMP Frag needed message instead. Greetings Bernd y - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html