>>>>> "Louis" == Louis A Mamakos <[EMAIL PROTECTED]> writes:
Louis> There's some confusion here, because the MTU is typically
Louis> associated with a protocol stack like IP and refers to the
Louis> largest sized (IP in this case) packet that can be sent on the
Louis> network interface. In the case of Ethernet interfaces that
Louis> support and use VLAN tags, the MTU is still 1500 bytes,
Louis> regardless of the fact that the frame size is a few bytes
Louis> longer to accomodate the VLAN tag information.
Louis> So, this has no effect on the Ethernet type field (or 802.3
Louis> length fields) since the higher level protocol packet size is
Louis> unchanged.
Why, then, are the vlan MTUs hardwired at 1496?
Dave.
--
============================================================================
|David Gilbert, Velocet Communications. | Two things can only be |
|Mail: [EMAIL PROTECTED] | equal if and only if they |
|http://www.velocet.net/~dgilbert | are precisely opposite. |
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