Angel Tsankov wrote:
Try moving mtu and mru statements in /etc/ppp/peers/megalan53 to the
very top. If this doesn't help, I give up.
Unfortunately, this did not help. Could you explain in a few words why I
get this message and where I could find further assistance?
You get this harmless message because the default mtu for ppp connections is
1500 (big mtu = low overhead for packet headers = better speed), and this is not
valid for pppoe (where the maximum allowed mtu/mru is 1492, because one IP
packet plus PPP headers must fit in one 1500-byte Ethernet packet). The end
result is correct, so you have nothing to worry about.
If you really want to know everythig about packet headers, try sniffing the
traffic on eth0 with WireShark (formerly known as Ethereal) and googling for
unknown words you see on the screen, plus the word "RFC".
--
Alexander E. Patrakov
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