Cisco Systems (Nasdaq: CSCO) has agreed to acquire Meraki Networks, a Mountain View, Calif.-based developer of cloud-based wireless networking solutions. The deal is valued at approximately $1.2 billion in cash and retention-based incentives. Meraki has raised around $40 million in VC funding from Sequoia Capital, DAG Ventures, Google, Felicis Ventures and Northgate Capital.

Allergan Inc. (NYSE: AGN) has agreed to acquire Skinmedica, a Carlsbad, Calif.–based professional skin care company. The deal is valued at upwards of $375 million, including a $350 million up-front payment. Skinmedica has raised around $150 million in VC funding from firms like Apax Partners, Domain Associates, EuclidSR Partners, HealthCare Ventures, Montagu Newhall Associates, Montreux Equity Partners, Perseus-Soros BioPharmaceutical Fund, Split Rock Partners and Windamere Venture Partners.

Dell Inc. (Nasdaq: DELL) has acquired Gale Technologies, a Santa Clara, Calif.–based provider of infrastructure automation software that streamlines deployment of on-premise and hybrid clouds for self-service access to infrastructure. No financial terms were disclosed. Sellers include Crescendo

Platinum Equity has agreed to sell Contego Cartons, a UK-based food and consumer product packaging company, to Graphic Packaging Holding Co. (NYSE: GPK). The deal is valued at approximately £71 million in cash, plus the assumption of around £10 million in other net liabilities.

Cablevision Systems Corp. (NYSE: CVC) has hired JPMorgan Chase and Citigroup to find a buyer for Bresnan Broadband Holdings, according to Bloomberg. Cablevision bought Bresnan, which provides cable and broadband services in Colorado, Montana and Wyoming, from Providence Equity Partners for $1.37 billion in 2010.

HSBC Holdings
 said that it is in talks to sell its minority stake in China’s Ping An Insurance. The NY Times suggests that the deal could be valued in excess of $9 billion.

Inside Secure
 (Paris: INSD) has agreed to acquire the Embeddable Security Solutions unit ofAuthentec Inc. The deal is valued at up to $48 million, including a $38 million cash up-front payment. Authentec is owned by Apple (Nasdaq: AAPL).

Mitre Media, an Edmonton-based financial media company, has acquired No financial terms were disclosed. Mitre Media shareholders include iNovia

Pri-Med, a professional medical education subsidiary of Diversified Communications, has acquiredAmazing Charts, a North Kingstown, R.I.–based provider of electronic health records to independent medical practices. No financial terms were disclosed.

WANdisco (LSE: WAND) has acquired AltoStor, a big data software startup based in Silicon Valley. No financial terms were disclosed.

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