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Cisco SFS 7012 InfiniBand Server Switch Hardware Users Guide
OL-8787-04
Appendix
Troubleshooting Scenarios
InfiniBand
This section documents common problems seen with the SFS 7012 switch.
Invalid IP Address entered for SWC via Console Port
Symptoms
Cannot access the Chassis Viewer browser window. The browser window times out and Chassis
Viewer will not come up.
Resolution / Workaround
Invalid IP Address entered for switch card via the console port. Make sure configuration is using a
valid IP address for the Switch (make sure initial configuration for switch is correct using the
console port during the boot sequence).
Bad IB Cable
Symptoms
When viewing the IB fabric with a subnet manager viewer, no nodes will be seen, or only the nodes
that have a good IB connection will be seen.
Resolution / Workaround
Possibly a bad IB cable(s). Ensure that there is a Blue LED illuminated on the leaf module IB ports
of the SFS 7012 switch. Make sure that all devices (nodes) can be seen in the subnet manager
window.
Improperly Seated IB Cable
Symptoms
When viewing the Subnet Manager no nodes will be seen, or only the nodes that have a good IB
connection will be seen.
Resolution / Workaround
Possibly an improperly seated IB cable(s). Ensure that there is a Blue LED illuminated on the
switch. Make sure that all devices (nodes) can be seen in your Subnet Manager window.