??????????? ??????? ????
VPN. Virtual Private Network ? ??????????? ??????? ????. ??????????
???????? ... VLAN, MPLS, VPLS ? ?????? ... ?VPN ?????-????? (? PPP ? ???
????) ..... (vyatta+openvpn) ?? fullmesh (mikrotik+tincvpn) ... http://www.cisco.com
/c/en/us/td/docs/switches/datacenter/nexus1000/sw/4_0/license/configuration/
guide/ ...