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Cisco UCS FI - Connecting to non-Cisco Gear

Hi All,

I'm new to Cisco UCS and don't fully understand it's compatibility with non-Cisco gear. My questions are primarily driven around the concept that Cisco UCS smartplays appear to be significantly cheaper than the traditional configurations that I build for customers (3-6 2U servers running vSphere, 200-300GB RAM each, 10GB Switching, using Cisco 4500x or Brocade 6610, NetApp or VNX Storage). I'm trying to understand if Cisco UCS could be an alternative to this configuration.

I'm thinking of Cisco UCS for an environment that currently uses HP P4500 storage, HP DL380 servers,  Netezza appliances, and

Cisco 3750X stack to provide iSCSI and Data connectivity and internal routing. I'd like to know what I would need in a Cisco UCS world to replace this functionality, namely, can I shift all L3 routing from the 3750 stack to the FIs? Can I connect, at leas temporarily, the HP DL380 servers directly to the FIs? Can I connect the FIs directly to my edge switches or ASA5520 cluster?

Perhaps I should keep the 3750X stack for 1GB connections, and get 10GB modules to provide 2-4 10GB uplinks between the FIs and the 3750X stack?

Thanks!

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Cisco Employee

Cisco UCS FI - Connecting to non-Cisco Gear

Hello,

There are a lot of questions, that's ok.

1 - I'd like to know what I would need in a Cisco UCS world to replace this functionality, namely, can I shift all L3 routing from the 3750 stack to the FIs?

No, the FIs run only as L2 switch, you will need a L3 device to perform routing for your enviroment.

2 - Can I connect, at leas temporarily, the HP DL380 servers directly to the FIs?

Yes, if you have the correct transceiver you can define the port as appliance mode to do that. (remember each FI is a different switch, they don't talk each other directly).

3 - Can I connect the FIs directly to my edge switches or ASA5520 cluster?

Yes, if your firewall will perform all L3 function of your UCS enviroment.

4 - Perhaps I should keep the 3750X stack for 1GB connections, and get 10GB modules to provide 2-4 10GB uplinks between the FIs and the 3750X stack?

This is a good idea.

Think the UCS not just like a common server deployment, but like a complete solution to manage your servers, L2 network and SAN. If you look deep will see a lot of good things that can help you in your daily operation. (Service profiles, callhome, firmware management, system visibility, etc, etc....).


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