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Device HA Enhancements in uOS 1.32
High availability (HA) is a cornerstone of reliable network infrastructure, and with uOS 1.32, Zyxel introduces a comprehensive set of Device HA enhancements to improve stability, simplify troubleshooting, and increase visibility into your failover systems. What’s New in Device HA? 1. HA Status LED Indicator The PWR/SY…
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SYS LED Status for Device HA
Question: What is SYS LED status on active device and passive device? Answer:
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How to Pause Device HA?
Question: How to Pause Device HA? Answer: For troubleshooting purpose, you can stop Device HA temporarily without unpairing the active and passive devices to troubleshoot the active device. Follow the steps below. Turn off the passive device or unplug all Ethernet cables except heartbeat port from the passive device. On…
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How to register two USG FLEX H firewalls in Nebula for Device HA configuration?
Question: How can we register two USG FLEX H firewalls in Nebula for Device HA configuration? Answer: To register two USG FLEX H firewalls in Nebula for Device HA, you need to register each firewall to a different site within the same organization. Create two sites within the same organization in Nebula. Assign the primary…
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How to check synchronization state of Device HA on USG FLEX H?
Question: How to check synchronization state of Device HA on USG FLEX H? Answer: usgflex200h> show state vrf main device-ha _debug sync-info
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How to force a full synchronization of Device HA on USG FLEX H?
Question: How to force a full synchronization of Device HA on USG FLEX H? Answer: usgflex200h> cmd device-ha force-sync full OKusgflex200h>
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Device HA (High Availability) in uOS 1.31
Device HA ensures uninterrupted network connectivity by deploying two firewalls in an active-passive setup. If the active device fails or loses connectivity, the passive device takes over automatically to maintain network stability. 1. Requirements of Device HA Requires Same Model & Firmware: Both firewalls must be the…
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Why Did Device HA Sync Fail?
Question: Why did my ATP500 devices fail to sync when setting up Device HA? Answer: The sync failure likely occurred due to overlapping IP subnets between the heartbeat port and the VTI interface. This issue can prevent proper synchronization and even cause problems accessing the Device HA page. Solution: * First, make…
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How to Resolve HA Pro Sync Issue on ATP/USG FLEX?
Question: Why is the HA Pro synchronization failing on ATP/USG FLEX? Answer: Synchronization issues between active and passive devices in HA Pro setups can often be resolved by checking configuration settings. Please follow the steps below: * Make sure the passive device is reset to its default configuration. * Disable any…
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How to access slave device when you use Device HA
Since slave device only online Heartbeat port. To access slave deivce you need to access Management IP you set up on Device HA pro page. For example: You can access slave device by 1.1.1.2
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What is the scheduled reboot behavior in device HA mode?
Question: What is the scheduled reboot behavior in device HA mode? Answer: When we configure scheduled reboots in device HA mode, the standby device will reboot first. Once the standby device has rebooted successfully, the original active device will proceed to reboot.
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Does USG FLEX H support device HA?
Question: Does USG FLEX H support device HA? Answer: No. At the time of writing, USG FLEX H does not support device HA in version 1.10 and the next version 1.20. Update: Version 1.31 supports device HA.
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How to Upgrade Firmware on HA Pro Synchronized Devices?
This example illustrates how to upgrade firmware from
4.35(ABFU.0) to 4.35(ABFU.2) on device HA Pro. Firmware
Upgrade Flow * Step 1: Make sure the running firmware version of active
and passive are the same. * Step 2: Make sure the running firmware of active and
passive are in the same partition. * Step 3: Make sure the…
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Recovery steps for USG FLEX/ATP Series with Device HA Firmware Update Fail.
Symptom: Device
HA mode update firmware through “Cloud Firmware” upgrade, the network services
is keep running on active device and you may get dialog with “Device HA Pro
Firmware upload is in progress…” on GUI keep loading. And the firmware version
on active device is not upgrade to the new version, but passive device…
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How to Configure Device HA Pro
The Device HA feature acts as a failover
when one of the devices in the network is dead or can’t access the Internet.
Therefore, this is a popular feature for network environments. In the previous
firmware version, the USG supports AP (Activate-Passive/Master-Backup) mode. In
V4.25, the Device HA feature is enhanced and…
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How to replace one defect device of HA Pro
In case, one of HA Device is broke down or
out of service; client needs to purchase the new one and deploy back on the
live Device HA-Pro environment. This guide will lead user on how to swap one of
the HA Pro synchronized devices when the device was RMAed. Scenario and Topology For example, if Device 2 is out of service,…