1. May be a problem with physical line!
2. RB1100AHx2 is pretty old device and I don't know if he can handle more than 150 PPP Sessions!
If router is not rebooted for all monthThe interface menu retains total bytes/packets in/out for each interface. You can copy out the numbers on the first of each month than zero it for next month.
ip firewall nat> add action=src-nat chain=srcnat src-address=192.168.0.6 to-addresses=213.212.xxx.62
I did not mean that but their processor is becoming old now and cannot take care for new targets or security!This does not mean that every 2011 should have problems too..!
ip firewall nat add chain=dstnat dst-address=your_Pulic_IP protocol=tcp dst-port=Public_Port action=dst-nat to-addresses=your_LAN(Device)_IP to-ports=devide_Port
interface vlan add vlan-id=20 interface=sfp1 name=vlan20 interface pppoe-client add interface=vlan20 name=PPPoE_Out user=xxxxx password=yyyyyy use-peer-dns=yes add-default-route=yes