There are 2 data centers which need to be interconnected.
Each data center equipped with 6500 switches.coppper connectivity avaliable b/w switches.
4 Vlans exist in data center1 with interface Vlans configured on FWSM.all desktops have FWSM interface as gateway.
2 Vlans exist in data center2 with interface vlans configured on switch.
our requirement is to connect these two data centers and make communication between the data center Vlans possible.
Can you suggest the best approach to acheive this.
attached the figure for info and let me know if anythng more needed.