Noah O'Donoghue wrote: > I've got 100/40 NBN with iinet.. > > I just used my old Asus rt-n16.. NBN gives you a plain old Ethernet with > DHCP. No auth. Simple as.
Well, DHCP (and SNAT?) is a bit gratuitous for a point-to-point link. I can understand why they do it, though. Fewer derps from their non-technical customers. > However, I tried latest openwrt trunk on my router.. Worked great but > limited the speed to about 40Mbps. > > Turns out the native firmware uses 'hardware NAT' which works much better.. > (Wire speed, 95/38 on speedtest.net). Unfortunately the native firmware is > full of bugs.. > > This hardware NAT is a part of broadcoms binary blob, is a hack, and it's > unlikely you'll get it to work on any open firmwares. I suspect you may > have trouble with NBN on any router running open firmware, unless the CPU > is ridiculously over powered. Interesting and horrible. I am surprised the system can't handle at least 100mbps doing NATting in netfilter -- NAT state is not terribly expensive to maintain. Worst case, of course, you can just put down an x86-64 whitebox desktop as your bastion router, and relegate the WRT to doing only switching & wifi AP. If the bottleneck really is the CPU, that'll fix it. Hmm... NT-R16 is a 480MHz BCM4718, WNDR3800 is a 680MHz AR7161. Are they of comparable speed?
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