Sir ,I am going to design a data center where the following equipments are the1. one router 76092. two core switch (WS-C6509-E)3. two firewall (WS-C6506-E, with Firewall blade)4. one VOICE ROUTER (CISCO2821with PVDM2-64, VWIC2-2MFT-T1/E1, PVDM2-32)5....