Cannot establish BGP peering with on prem / Palo alto 5250

DG001 406 Reputation points Microsoft Employee
2023-06-08T20:02:52.9333333+00:00

I have a cx that cant establish BGP peering with On-prem. The circuit is provisioned and status enabled. Provider status is enabled.

The On-prem peer can ping the azure peer. But On-prem and azure are not exchanging routes.

They are trying to set up private peering.

On-premises resource IPv4 address - 169.254.14.1/32

Have you seen this issue before and what is the fix for this?

Azure ExpressRoute
Azure ExpressRoute
An Azure service that provides private connections between Azure datacenters and infrastructure, either on premises or in a colocation environment.
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  1. KapilAnanth-MSFT 45,111 Reputation points Microsoft Employee
    2023-06-09T04:13:42.47+00:00

    @DG001

    Welcome to the Microsoft Q&A Platform. Thank you for reaching out & I hope you are doing well.

    I suspect this is happening because the OnPrem is using an APIPA IP 169.254.14.1/32

    Can you try using a different subnet range other than APIPA?

    ExpressRoute scenarios such as this would require a deeper investigation, so if you have a support plan, I request you file a support ticket, else please do let us know, we will try and help you get a one-time free technical support.

    Cheers,

    Kapil

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