Need help in migration from Layer2 to layer3

HI Guys
Need u r help in migration from layer2 switched network to layer3.
here is the setup there are 9 sites connected with a 10gig backbone in a ring.each site has a 6513 but at the data centre site we having two 6513.we are having a combination of voice and data vlans.at present all the sites are connected with layer2 trunks.all the trunks are teminated at the core ie datacentre site.so how should i procedd and what are the advantages of it ie migration.
Thanks
Mahmood

For this migration you first need to assign IP addresses to your connections between switches. This could be /30 (or /31, if supported) subnets. You should also consider running some dynamic routing protocol such as OSPF between switches.
Hope this helps.

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