Stephan von Krawczynski wrote:
Hello Jesse,
thank you for answering anyway. Though I think your answer covers only the
obvious half of the problem.
Indeed one might think that this solves the issue - as long as there are only
linux kernels involved. Unfortunately my setup is a bit more complicated in
terms of hardware. So I should have probably clarified the question this way:
how do you configure the interface in a manner that packets with data length
of 1500 get transferred, and not only 1496 ?
I tried enlarging both real-device and first vlan interface mtu but that does
not work out. I really thought that the visible device setting of mtu=1500
should have worked out and that the driver (or some code in between) should
have corrected the allowed frame size to reflect the actual setup, not?
Unless you are patching the VLAN code, stacked VLANs are not going to
work anyway. Search the archives of the VLAN mailing list for reasons
why..and at least a few patches that 'fix' the problem for a few types
of uses.
Ben
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