Brocade Interopmodes are for McData indeed. If you have Brocade as core switch, it makes sense to leave Brocade in native mode and set Interop-3 mode on Cisco MDS. As for your second problem - it could be result of incompatible settings. ________________________________________ From: toasters-bounces@teaparty.net [toasters-bounces@teaparty.net] On Behalf Of Alon Zeltser [alon.zeltser@gmail.com] Sent: Thursday, August 25, 2011 7:22 PM To: toasters@teaparty.net Subject: Mixed San question

Hello toasters I'm trying to implement fas2040 in a new mixed fabric environment I have few IBM blade centers each contain 2 cisco mds 9100 switch All the blade centers mds switches connected to brocade 300 switch The brocade is configured with interopmod 3 The brocade is the principal switch with domain ID 100 while the other mds are connected with E-port downstream with domain ID from 90 to 110 without 100 I have two issue

1. I cannot create aliases / zones in the brocade the button is grated out and say this is disable in mcdata open fabric interopabilty Mode I can live with this issue and configure everything with cisco tools But even then alias or zones are not shown on the brocade even tough they work

2. The real issue is when I configure one blade server on each cage (one port on each mds ) everything is work fine but the minute I try to add a second blade server on the same switch the first blade disconnect from it's group and in "fcp show initiator" I can no longer see the first server wwn until I disconnect the second server

Any ideas ?

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