jerome_itable Lv3Posted Jul-03-2024 08:46
  
The behavior you're encountering with your Sangfor IAG HA setup in active-standby mode suggests some configuration issues.

Here's a breakdown of the problems and potential solutions:

Secondary Device Issues:

    License Loss:  The secondary device losing its license after HA activation is a major issue. Licenses are typically tied to the device's hardware identifier (MAC address, serial number), and in HA, only the active device should actively utilize the license.

    GUI Inaccessibility & Ping Failure: This indicates potential communication problems between the secondary device and the network. The secondary shouldn't lose internet access completely, but its role might change during failover.

    IP Address Change:  The secondary device's eth0 IP address changing to the main device's eth0 IP address is not normal behavior.  Both devices in HA should have unique IP addresses.

Potential Solutions:

    License Activation: Double-check the license activation process for the secondary device. Ensure it's activated with its own unique license key. Consult Sangfor documentation or support for specific instructions on activating licenses in an HA environment.

    Network Connectivity: Verify network connectivity for the secondary device. Check firewall rules, routing configurations, and ensure proper communication exists between the secondary device and the network.

    HA Interface Configuration:  Review your HA interface configuration. The secondary device's network interface used for HA communication (typically separate from management and data interfaces) might be misconfigured.

I Can Help:

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