Note : a completely separate WAN PHY GMAC would be far more secure! So I am not that far stating the BW is 1/4 of GMAC BW when transfering data with Lamobo-r1 as a LAN-to-LAN or LAN-to-WAN "router" when eth0.101 and eth0.102 are in charge. In doing so, the BW is limited to (as a mean empiric value) A20-GMAC BW divided by 2 (not counting the terrible CPU/IRQ load)Īs A20-GMAC has hardware/software/etc issues RX/TX are not optimal, so you can divide the BW by 2 again (empiric value, worst case). So linux routing/iptables (=CPU) handle every moves from eth0.101 to eth0.102 and vice-versa (VLAN are theorically separate LANs). More simply, when you setup eth0.101 and eth0.102 VLAN both are sharing the same A20-GMAC port 8 (you can use swconfig to set 0,1,2,3 or 4 linked to A20-GMAC port 8, pick port 3 for WAN=eth0.101)Īnd the remaining "LAN" ports (0,1,2,4) for eth0.102 => all of the ports are linked to the A20-GMAC port 8 anyway
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