At the moment my CPE terminating the L2TP tunnels can't handle the speed so there will be packetloss when I'm downloading (It's an RB450G, I have a more powerful CPE but It's not here at the moment, will swap them out once I have it here)
Not enough data yet to be sure, but interestingly the ping to the Tunneled IP doesn't appear to be showing the same spikes that's common with the Puma6 chipset in the SH3
or at least not as frequently.
P.s it's 2x L2TP tunnels "bonded" (They're limited to 100M each)