Hi all, I tried to search but didn't find a "real" answer, it is not clear if it is possible or not... Problem: I always worked with homogeneous Brocade fabrics. Some days ago my company asked me if it is possible to add a Nexus 5596UB to an existing (6 switches) production Brocade fabric. I underlined production as we should not interrupt SAN traffic on joining the fabric nor we should reboot and/or reconfigure existing switches. I found a lot of info about "interoperability mode" on MDS switches but nothing on Nexus.
About Interop Mode Cisco NX-OS software supports the following four interop modes: • Mode 1— Standards-based interop mode that requires all other vendors in the fabric to be in interop mode. • Mode 2—Brocade native mode (Core PID 0). • Mode 3—Brocade native mode (Core PID 1). • Mode 4—McData native mode.
For information about configuring interop modes 2, 3, and 4, see the Cisco MDS 9000 Family Switch-to-Switch Interoperability Configuration Guide, available at the following location: http://www.cisco.com/en/US/docs/storage/san_switches/mds9000/interoperability/guide/intopgd.html
Configuring Interop Mode 1 The interop mode1 in Cisco Nexus 5000 Series switches can be enabled disruptively or nondisruptively.
So in summary: Nexus 5000 only supports standard Interop Mode (Mode 1); which most likely doesn't help you at all.
Thank you all for the replies. Actually we were able to set the Nexus (NX-OS 6.0(2)n2(3)) to interop-mode 3 and the Brocade (FOS v7.1.0c) with Core PID enabled (1), as we set the Brocade port to R_RDY mode the E_PORT came up and all the zoning info passed from the Brocade to the Nexus. We tried to make the Nexus as the Principal for the fabric (we are in a lab environment) and tried to create some fcalias, zoneset and all passed to the Brocade.
We're testing this for a migration purposes so we can't change the Brocade config, we just need to find a way to make the Nexus join the actual fabric in a nondisruptively mode...and it looks like this config is working as we would expect.
The questionis: We hope we will never need support but, just in case, will Cisco give us support for such configuration? :)
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