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Cisco Bug: CSCul34476 - In 9250i, the throughput is low on FCIP tunnel with IPSec enabled

Last Modified

Mar 10, 2015

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

6.2(5)S40

Description (partial) 

Symptom:
In 9250i, the application throughput is low on FCIP tunnel with IPSec enabled even after configuring 5 TCP connection

Conditions:
The FCIP processor has 32 cores for packet processing. The cores are being allocated for each processing unit like FCIP, TCP/IP, Compression and WA/TA. Since there are not available cores, IPSec packet processing is sharing the cores with TCP/IP cores. This causes the performance hit when FCIP tunnel is enabled with IPSec
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