Vyatta, a San Mateo, Ca. company that sells open-source networking products including routers, firewalls and virtual private networks, has raised $11 million more in a second round of financing.

The round was led by Comcast Interactive Capital, the company said in a statement.

Also participating in the round are existing investors JPMorgan Partners (Panorama), ComVentures, and ArrowPath Venture Partners. The company’s total funding is now $18.5 million.

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