Why the delay of the USG firewall to itself is large?

The delay of the USG2000 & 5000 & 6000 ping itself is normal. The reason for pinging the device is as follows:
1. The ping packet of the device itself needs to be processed from the LPU to the MPU. The MPU will process it from the LPU to the backplane.

2. The main control board processing capacity is limited, but also the core of the control device, can not exceed the processing performance, so the message sent to the main control board is protected, will do the current limit processing.

So access to their own traffic may be some delay, are normal circumstances.

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