IP-MTU & MTU

Unanswered Question
Nov 13th, 2007
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Hi...


As per my understanding, in Cisco if I set MTU to 1500 that means Layer2 Payload... i.e--- Data+L3 Header--- Excluding Layer 2 Header


If I set IP-MTU, it means Layer3 Payload.... i.e---- Data+TCP/UDP header---Excluding Layer 3 Header...




So if I set IP MTU of an interface to be 1500 bytes will MTU of that inteface be automatically increased i.e--- IP-MTU + Layer Header.. or do I need to increase the MTU as well....



Thanks in advance...


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