Layer 2 connect - data center web hosting

hi, i need your help!!
i have data center with the nexus 7000 , i have servers connecting to the cisco 7000 with web servers. my company do hosting for customers.
the poing that we have shared resources like vmwares on blades and so on.. mean that the ports of the blade are connecting physically to the nexus 7000 with trunk and vlans for every customers.
my nexus connecting to FW than to WAN stiches than to Routers connecting to the internet so if i asked to to hosting from the internet its easy.
the problem is now i have cusomer that wants to connect his switch over the wan directly to his area at my datacenter.... we make for him servers that are the same like his servers with the same subnet and he makes replications...
he dont have router, he connect his switch over wan provider at layer 2 to me..
should i connect him direcly to my nexus??? with his vlan?? should i need other solution like eompls??? what is the safest way to connect him with layer 2.. and i repeat the problem that our servers are shared between many customers - the same nexus ports, please help!!

Hello,
1.PIX is the precursor to the ASA so at this point the ASA is probably a better choice since it'll be around longer plus I'm sure they have beefed up the base hardware compared to the pix.
2.Your external router is dependant on how much traffic your going to be dropping into your hosting site. A 7200 series router is a fairly beefy router and should be able to handle what you need if your looking.
3.One of the nice things about the 6500 is you can put a FWSM and segment all your different hosting servers to provide a more granular network control.
I don't have any case studys but will look around and post them if I find some.
Patrick

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What would be the best way
to provide layer 2 connectivity between 2 data centers? Sample router configs?
Thanks!!
Gary
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