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OSPF neighbors go down after configuring HSB

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We encounter a problem where OSPF neighbouts fail after configuring HSB.
As analysing process is recommended to:

      Check the configuration and the topology. 

      Check the link connectivity between the devices in the HSB system and let us know if the HSB error message still occurs in the logs

Concerning the OSPF failing, verify the logs in the diagnostic provided and it seems that the OSPF error messages indicate to packets are received from non-OSPF neighbors.

Please can you try to configure the command “ospf bfd enable” on the interfaces connected in HSB and test OSPF then.

Check if the IPsec is up. If not, the OSPF is down due to IPsec being down and need to resolve IPsec issue.

The root cause of this problem is basically because the router was configured as a firewall also and the interfaces connected to the other device which are involved in HSB were under firewall zones. 

The AR doesn't support configure firewall zones under HSB interface, because HSB binding firewall is used to backup the firewall sessions when the VRRP status changed.
As a solution and suggestion we recommend to delete firewall zones from the HSB interfaces and test if the HSB status comes up. Then the IPsec will change to up state and therefore the OSPF will work.

Hope this helps anyone who encounter this issue.
From group: Routers
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