I have 12 years old of experience in Cisco Tech (switchs, PIX/ASA, routers), S2S VPN, Nexus Tech (2000, 5000 and 7000 series). And the other hand i have 5 years old of experience in design and implement network architechture over heterogenous techs. I have experience in BGP, OSPF, RIP and other protocols too (IPv6 version of this protocols too).