ipsec, pppoe, l2tpv3, snmp, rmon, ram 4 gb (installed) / 16 gb (max), 4 x 10base-t/100base-tx/1000base-t - rj-45, 1 x console - rj-45, 1 x console - mini-usb type b, 2 x auxiliary - rj-45, usb 2.0 : 2 x 4 pin usb type a, 4 x sfp (mini-gbic)