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199-01 · Question #123

A customer is reporting higher than normal CPU utilization on certain routers in their network.Looking at their Steelhead appliance logs, they see "intercept/localkernel/icore.c:1463] nat_check: SYN p

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Question

A customer is reporting higher than normal CPU utilization on certain routers in their network.Looking at their Steelhead appliance logs, they see "intercept/localkernel/icore.c:1463] nat_check: SYN packet for already NAT'd connection 100.100.100.33:1611 -> 100.200.200.32:80 ==> 100.201.201.25:7801".All connections are showing up optimized but the logs persist.Given the exhibit, what is the likely problem?

Exhibit

199-01 question #123 exhibit

Options

  • ALost Opportunistic Lock
  • BSMB Signing
  • CFixed-target rule is needed
  • DAsymmetric Route
  • EPacket Ricochet

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