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How to show process usage with H series by CLI
Question: How to show process usage with H series by CLI Answer: usgflex500h running config# cmd debug system ps
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How to restart the call home process
Scenario: You noticed that Nebula shows the device is disconnected even though the network is normal. This could be due to some reasons causing the call home to fail. Workaround: 1)log in by SSH and perfom the following CLI. usgflex200h> cmd debug nebula callhome restart And please contact Zyxel support to investigate the…
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How to change the WAN interface from static IP to DHCP in the serial console?
Question How to change the WAN interface from static IP to DHCP in the serial console? Answer Refer to the CLI below to modify the firewall WAN interface from static IP to DHCP IP: usgflex100h> edit running usgflex100h running config# vrf main interface ethernet ge1 usgflex100h running ethernet ge1# del ipv4 address…
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How to reset the configuration to system default in debug mode in the H series?
Question I am unable to log in to the device via the serial console, and pressing the reset button is not working. How can I reset the configuration to system default in debug mode in the H series? Answer Press any key to enter debug mode when the device is rebooting. Type atkz -b. Type atgo to continue. Press Ctrl + D to…
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How to check the CPU temperature via CLI in USG Flex H series models?
Question: Users may wish to check the CPU temperature via CLI for troubleshooting purposes. This article will guide you on how to check it. Answer: Please use the CLI "cmd cpu-temperature" to check it, as shown below: usgflex500h> cmd cpu-temperature cpu-temperature info "43 Degrees Celsius"
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How to reset password ?
1)Rebooting Firewall and enter debug mdoe. 2) USG FLEX 100HP> atkz -g USG FLEX 100HP> atgo -f 3) Now the admin password will be reset, and the settings will be retained
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How to enable console log level 8 on USG FLEX H?
On console, enter the command to change debug level. usgflex500h> cmd debug kernel console-level 8 OK. Check the debug level. usgflex500h> cmd debug kernel console-level show kernel console-level: 8
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Why the Device Registration Status shows "Incomplete"?
Question : When the user navigates to the GUI path: Licensing > Licenses, they may notice the Device Registration Status shows "Incomplete." Why? Answer : "Incomplete" means the device is currently checking its Nebula organization and site status with Nebula. If it doesn't receive a response from Nebula, the registration…
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USG FLEX H Series - Configuration File
USG FLEX H Series - Configuration File Overview Managing configuration files is crucial for the effective operation and maintenance of the USG FLEX H Series firewalls. This guide provides a detailed explanation of how the firewall handles configuration files, error management, and new enhancements introduced in version…
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Why the USG Flex H model display offline on the Nebula and how to resolve it?
Question : Users may encounter a situation where the USG Flex H model displays as offline on Nebula, as shown below: This article will guide you on how to resolve it. Answer : The possible reason is a DNS resolution issue and the service port 4335 being blocked in the user's internet environment. This occurs because the…
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How to configure alert emails on the USG FLEX H/ATP/FLEX series?
Question I would like to receive firewall alert event logs. How do I configure alert emails on the USG FLEH series? Answer Alert mail cannot be set on the device end. However, we can configure alert mail in Nebula. Navigate to Site-wide > Configure > Alert settings > Security alerts. To enable notification, select Email as…
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How to track the process of applying settings?
Symptom You have problem when applied config on device. 1)Log in by FTP and change directly to /tmp/ 2)You can get this file "boot-config-error.log" and contact Zyxel Support for further helps
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How to get boot failure log
Symptom: You have problem when booted device. 1)Log in by FTP and change directly to /tmp/ 2)You can get this file "boot-config-error.log" and contact Zyxel Support for further helps
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How to capture packets on the Web-GUI in USG Flex H models?
Question : Capturing packets on the Web-GUI is an important troubleshooting skill for network administrators. This article will guide you on how to perform this task. Answer : For instance, if a user tries to capture packets from the USG Flex 200HP model, follow these steps: Navigate to the device's Web-GUI Maintenance >…
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How to check system uptime on USG Flex H series models via Web-GUI and CLI command?
Scenario : The system uptime is an important indicator of the firewall's stability. This article will guide you on how to check the system uptime on USG Flex H series models. Answer : Users can utilize the dashboard to directly check the system uptime, as demonstrated below: Users can also use the CLI command "show system…
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How to check the current running startup config by CLI in USG Flex H seriers models?
Scenario : Users not only use the Web-GUI to check the current running configuration but also use CLI to do so. This article will guide you on how to perform this task. Answer : Users can utilize the CLI command "show config running all" to check the current running startup configuration, as demonstrated below:
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How to restore the default setting of my USG FLEX H device?
Question: How to restore the default setting of my USG FLEX H device? Answer: You can reset the device to the default setting using web GUI, CLI and RESET button. Web GUI Select system-default.conf and click "Apply". CLI Use command to apply system-default.conf. How to use CLI to apply the configuration file? RESET button…
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Why is USG FLEX H firmware unavailable on myZyxel.com?
Question: I'd like to download the latest USG FLEX H firmware but the link in the download library which goes to portal.myzyxel.com has no firmware in it. Answer: If the factory default firmware version is 6.29 patch 2, you have to follow the wizard to upgrade the device to 1.08 and then upgrade to 1.10 P1 or later…
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How to configure ports P3 to P8 to the same LAN port ge3 on USG Flex 200H/HP models?
Scenario: By default, P1 and P2 are WAN ports, and P3 to P6 belong to the ge3 port, while P7 to P8 belong to the ge4 port. Users may wish to configure P3 to P8 ports to the same ge3 port. This FAQ will guide you on how to configure it. Answer : STEP1. Navigate to Object > Zone > To move the ge4 to Available. STEP2.…
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How to check Web-GUI access port number in USG Flex H series devices?
Question: Sometimes, users change the Web-GUI access port number for improved security. However, users might forget the port number accidentally. In such cases, how can users use CLI to check the Web-GUI access port number? Answer : Users can utilize the CLI command "show state vrf main http-server server" to examine the…