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Replacing 6200 Fabric Interconnects with 6332-16UP

Jeremy Waldrop
Level 4
Level 4

I have a customer that is looking to replace their 6248 FIs with the new 6332-16 model along with the 2304 IOMs.

I found this guide - Migrating to UCS 6300 Series Fabric Interconnects and the UCS 2304 IOM 

The guide isn't near as detailed as the previous version for replacing 6100 FIs with 6200 FIs. What the new guide isn't clear on is the IOM port mappings. When upgrade from 6100s to 6200s it was very important that the IOM port mappings matched across both FIs. 

With the 6332-16UP is this even possible with the first 16 ports being for native FC or 1/10 uplinks?

There is also a step in this new guide that states

"Step 3   Remove the configuration from the ports in the subordinate fabric interconnect."

What exactly is this referring to? Does that mean go to each port and "Unconfigure" it?

7 Replies 7

Walter Dey
VIP Alumni
VIP Alumni

With the 6332-16UP is this even possible with the first 16 ports being for native FC or 1/10 uplinks?

yes ! first 16 ports support  16 x 1/10G SFP+ or 16 x 4/8/16G FC

Question: is it possible to migrate non disruptive 6100/6200 to 6300 ? Plus are there any modifications necessary for the service profiles ?

Yes but we are replacing the 2204 IOMs with 2304 so we need to use the 40G QSFP ports for the 2304 IOM to FI connections.

Confused ? on the 6332-16UP you have 16 universal ports plus 24 x 40G !

What I am trying to confirm is that in the past when you replaced the 6100 FI with the 6200 FI the chassis IOM port mappings had to match on both FIs. When replacing the 6200 with a 6300 and replacing the 2204 IOMs with 2304 IOM you have to use the 40G QSFP ports which are not going to be the same port numbers so is it ok that the chassis IOM mappings are different on the 6300 FI vs the 6200 peer FI?

Some of the 16 SFP+ UP ports will be used for native FC SAN uplinks to their MDS and then we will used 10G breakout cables on some of the other 40G QSFP ports for their LAN uplinks to their Nexus 7ks.

Hi Jeremy !

I 100% agree with you ! due to big difference, 10G versus 40G, 8G versus 16G FC, 40G on the FI and IOM-FI, a automatic mapping from 6200 to 6332 is challenging; even if such a tool would exist, I would prefer to do it manually, changing one fabric, testing, and if successful, migrate the second one.

Yes, it will definitely be one fabric at a time just like when replacing 6100 FIs with 6200 FIs.

Hi Jeremy,

I did a migration from 6296UP to 6332FIs in a customer environment there was no FC and I dint try to match the port-mapping between the 6296UP and 6332 FIs but it is definitely a good thing however even if you do not do that you can import the logical configuration and reconfigure the ports.  1 main thing is make sure that you are upgrading the 6332FIs to the latest release 3.1(1h) especially if you are customer is using ESXi because of the following bug: 

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuz46574

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