In 1998 the company announces its operating system,
, with a modular architecture that would make for high reliability. It also issues its first product, the M40 router (shown here) with OC-48 interfaces, which quickly spikes the company's revenues to $102.6 million in 1999 and grabs the company 15% of the market. When the company goes public in 1999 its stock price jumps from $34 to $98.88 the first day. In 2000, the company introduces a beefier core router, the M-160, with OC-196 interfaces and follows up with smaller versions of its routers to serve as carrier edge routers.