S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
FCID area allocation company id info:
Total company ids: 7
+ - Additional user configured company ids.
* - Explicitly deleted company ids from default list.
You can implicitly derive the default entries shipped with a specific release by combining the list of
Company IDs displayed without any identification with the list of deleted entries.
You can also view or obtain the company IDs in a specific WWN by issuing the show fcid-allocation
company-id-from-wwn command (see
IDs. In these cases, you many need to configure the FC ID persistent entry.
Example 29-19 Displays the Company ID for the Specified WWN
switch# show fcid-allocation company-id-from-wwn 20:00:00:05:30:00:21:60
Extracted Company ID: 0x000530
Interoperability enables the products of multiple vendors to come into contact with each other. Fibre
Channel standards guide vendors towards common external Fibre Channel interfaces.
If all vendors followed the standards in the same manner, then interconnecting different products would
become a trivial exercise. However, not all vendors follow the standards in the same way, thus resulting
in interoperability modes. This section briefly explains the basic concepts of these modes.
Each vendor has a regular mode and an equivalent interoperability mode, which specifically turns off
advanced or proprietary features and provides the product with a more amiable standards compliant
For more information on configuring interoperability for the Cisco MDS 9000 Family switches, refer to
This section includes the following topics:
About Interop Mode
Cisco SAN-OS software supports the following four interop modes:
Cisco MDS 9000 Family CLI Configuration Guide
<-------------------- Default entry
<------------------ User-added entry
<------------- Explicitly deleted entry (from the original default list)
Cisco MDS Family Switch-to-Switch Interoperability Configuration
About Interop Mode, page 29-12
Configuring Interop Mode 1, page 29-15
Verifying Interoperating Status, page 29-16
29-19). Some WWN formats do not support company
Advanced Features and Concepts
OL-16184-01, Cisco MDS SAN-OS Release 3.x