I copied only important ports, LAN1 and LAN2 uses to connect Switch. Btw, I changed the MAC and IP into xxx for privacy indeed.
WAN Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
inet addr:xxx.xxx.xxx.xxx Bcast:xxx.xxx.xxx.xxx Mask:xxx.xxx.xxx.xxx
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:29392574 errors:1439911 dropped:755 overruns:0 frame:1557862
TX packets:25045004 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4292707451 (3.9 GiB) TX bytes:2376566533 (2.2 GiB)
eth1 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:28961827 errors:0 dropped:1 overruns:0 frame:0
TX packets:29090006 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3400537063 (3.1 GiB) TX bytes:4190357047 (3.9 GiB)
LAN1 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:24087372 errors:0 dropped:1 overruns:0 frame:0
TX packets:27842428 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1511988096 (1.4 GiB) TX bytes:3947024923 (3.6 GiB)
LAN2 Link encap:Ethernet HWaddr xx:xx:xx:xx:xx:xx
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4866498 errors:0 dropped:6 overruns:0 frame:0
TX packets:1247572 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1771935171 (1.6 GiB) TX bytes:533676195 (508.9 MiB)
I disabled QoS yesterday and I noticed the speed jumped now to 9M/9M. I also noticed that there is an entry in Limits for Office365 Applications with 3M/3M and I temporary delete this for test purposes