Processor consumption at nearly 100% Problem analysis
Logging into the ZyWALL USG GUI, we quickly saw that the processor resources were being used at over 90%. In this case it was a ZyWALL USG 50 firewall. Thanks to UDITIS, we were able to quickly isolate the problem and understood that it came from the firewall. As shown below, the pings performed sometimes went up to more than a hundred milliseconds, Pinging 8.8.8.8 with 32 bytes of data The performance problems resulted in very slow access to a remote system. Users first reported sporadic access problems and then these problems became permanent. Introductionįrom one day to the next, network performance deteriorated. Are you experiencing performance problems with your Zyxel ZyWALL USG firewall? You will find in this blog an example of a real case I faced and how I solved it.
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