Limitations of Fibre Channel Routing
Interop mode 5 (Brocade NOS interop Mode) is not available from Fabric OS 8.2.0 and above.
In SANnav Management Portal, only Brocade native IM0 is supported irrespective of any Fabric OS version. You cannot configure IM5 on Fabric OS 7.4.x.
The backbone fabric connected to NOS Edges can be discovered but the EX_Ports connected to the NOS Edge are greyed out and cannot be configured or removed.
Backbone fabric ID conditions
• In case an active router is present in the fabric and when you want to add a new router in the same fabric SANnav will change the backbone ID to the existing backbone ID.
• In case multiple routers are present in the same fabric and the first created backbone ID is applied by SANnav when you create a new backbone fabric.
• When multiple active routers are present in the same fabric with different backbone fabric IDs SANnav will list the lowest backbone fabric id among them.
• In case EX_Ports are configured using CLI scripts, but FCR is disabled and when you want to configure ports in SANnav, follow the below protocols:
◦ Delete all the configured ports.
◦ Rediscover the switches and then add the ports.
• By default the backbone fabric ID is 1 when you select a non VF to configure new backbone (when FCR is disabled or no EX-Ports are configured), you can modify the default backbone fabric ID. In case of VF, SANnav does not allow you to modify the default backbone ID.
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