HP (NYSE:HPQ) Networking grew 12 percent year-over-year in 2011 -- nothing to sniff at in a tailspin year for the world's biggest IT company. But to hear HP Networking's top executive tell it, that growth is only the beginning of what HP hopes to achieve behind networking-centric channel partners this year at it cements its place as a legitimate challenger to Cisco's long-held data networking dominance.