This indicates the technology ability of the local hardware.
The value of this object is the logical OR of all supported
technologies, where each technology is given the values below:
other(1) Undefined, or ability not known
Auto-Negotiation(2) Auto-Negotiation
10BASE-T(4) 10BASE-T
100BASE-TX(8) 100BASE-TX
1000BASE(16) 1000BASE
For example, a port that has the capability of supporting
10BASE-T and 100BASE-TX would have a value of 12 (4 + 8).