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Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 2 Troubleshooting Installs, Upgrades, and Reboots
Troubleshooting Cisco SAN-OS Software Upgrades and Downgrades
Use the show incompatibility CLI command to identify the problem.
Message 1 indicates that the remote SPAN (RSPAN) feature is in use, but it is not supported by the image
that was installed. The incompatibility is strict because continuing the upgrade might cause the switch
to move into an inconsistent state—that is, configured features might stop working.
switch# show incompatibility system bootflash:new-image
The following configurations on active are incompatible with the system image
1) Feature Index : 67 , Capability : CAP_FEATURE_SPAN_FC_TUNNEL_CFG
Description : SPAN - Remote SPAN feature using fc-tunnels
Capability requirement : STRICT
Message 2 indicates that the Fibre Channel tunnel feature is not supported in the new image. The RSPAN
feature uses Fibre Channel tunnels.
2) Feature Index : 119 , Capability : CAP_FEATURE_FC_TUNNEL_CFG
Description : fc-tunnel is enabled
Capability requirement : STRICT
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