INTEGER { link-down(0), full-10Mbps-8023x(1), full-10Mbps-none(2), half-10Mbps-backp(3), half-10Mbps-none(4), full-100Mbps-8023x(5), full-100Mbps-none(6), half-100Mbps-backp(7), half-100Mbps-none(8), full-1Gigabps-8023x(9), full-1Gigabps-none(10), half-1Gigabps-backp(11), half-1Gigabps-none(12), full-10Gigabps-8023x(13), full-10Gigabps-none(14), half-10Gigabps-8023x(15), half-10Gigabps-none(16), empty(17), err-disabled(18) }