Cisco MDS-9124 Troubleshooting Guide - Page 330
Cannot Con FCIP or PortChannel for FICON, FCIP fails for FICON
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FICON Issues Chapter 16 Troubleshooting FICON Send documentation comments to [email protected] Cannot Configure FCIP or PortChannel for FICON Symptom Cannot configure FCIP or PortChannel for FICON. Table 16-7 Cannot Configure FCIP or PortChannel for FICON Symptom Cannot configure FCIP or PortChannel for FICON. Possible Cause FICON port numbers are not reserved for logical ports. Solution Reserve a block of FICON port numbers for logical ports. Use the show ficon first-available port-number CLI command to determine which logical ports are available for use with FCIP and or PortChannels. Choose FICON > Port Numbers in Device Manager. Alternatively, use the ficon logical-port assign port-numbers CLI command. FCIP fails for FICON Symptom FCIP fails for FICON. Table 16-8 FCIP Fails for FICON Symptom FCIP fails for FICON. Possible Cause Solution FICON port address is not assigned to the FCIP tunnel. Assign the FICON port address to FCIP tunnel and restart FCIP tunnel. Use the show ficon port-numbers interface CLI command to determine if there is a FICON port number assigned to the logical port. Use the the ficon portnumber CLI command in FCIP or PortChannel submode. FICON Tape Acceleration Not Working Symptom FICON tape acceleration not working. Table 16-9 FICON Tape Acceleration Not Working Symptom FICON tape acceleration not working. Possible Cause Solution FICON tape acceleration is not enabled on both ends of an FCIP link. Enable FICON tape acceleration on both ends of the FCIP link. Choose Switches > ISLs > FCIP in Fabric Manager, then select the Tunnels (Advanced) tab and check Write Accelerator. Or use the ficon-tape-accelerator vsan CLI command on each FCIP interface. 16-12 Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x OL-9285-05
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