I'm less confused. My Netis modem/router is a single "machine" with both pppoe and NAT. My "machines" on my private LAN do connect to the Netis pppoe+NAT.
The relevant portion from the pppoe man page
Quote:
Problems can arise on machines with private IPs connecting to the
Internet via a machine running both Network Address Translation (NAT) and
pppoe. Standard Ethernet uses a maximum transmission unit (MTU) of 1500
bytes, whereas PPPoE mechanisms need a further 8 bytes of overhead. This
leaves a maximum MTU of 1492. pppoe sets the MTU on its interface to
1492 as a matter of course. However, machines connecting on a private
LAN will still have their MTUs set to 1500, causing conflict.
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I can test the speeds with/without the pf.conf rule when the modem arrives. @jggimi, Thanks for all your help,