snSwPortOutOctets 1.3.6.1.4.1.11.2.3.7.11.12.1.3.3.1.1.41

The total number of octets transmitted out of the interface, including framing characters. This object is a 64-bit counter of the ifOutOctets object, defined in RFC 1213. The octet string is in big-endian byte order.