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minheo's avatar
minheo
Icon for Nimbostratus rankNimbostratus
Jun 11, 2025
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Multiple Default Gateways

Hi,   I have a question regarding default gateway configuration. Please refer to the following setup:     We currently have an L4 HA device setup (R2600) in Active-Standby mode, and both uni...
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  • VGF5's avatar
    VGF5
    Jun 11, 2025

    Hi minheo​ 

    It is not possible or supported to configure different default gateways per device in an F5 HA pair (BIG-IP tenants on rSeries/F5OS). The default gateway must be the same on both units, and any change will be synchronized across the HA pair. The supported method for gateway redundancy is to use a floating IP (VRRP/HSRP) on the upstream L3 device.

     

VGF5's avatar
VGF5
Icon for Cumulonimbus rankCumulonimbus
Jun 11, 2025

Hi minheo​ 

It is not possible or supported to configure different default gateways per device in an F5 HA pair (BIG-IP tenants on rSeries/F5OS). The default gateway must be the same on both units, and any change will be synchronized across the HA pair. The supported method for gateway redundancy is to use a floating IP (VRRP/HSRP) on the upstream L3 device.