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René Jorissen works as Solution Specialist for 4IP in the Netherlands. Network Infrastructures are the primary focus. René works with equipment of multiple vendors, like Cisco, HP Networking, Juniper Networks, RSA, PaloAlto Networks, Microsoft and many more. René is CCNA (Routing & Switching, Security), CCNP , Cisco ASA Specialist and CEFFS certified. You can follow René on Twitter and LinkedIn.