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How to confiure MD5 key on BGP session in Azure gateway

François BELLEC 20 Reputation points
2025-02-11T17:44:57.84+00:00

Hello.
I've setup a IPSec tunnel from Azure to my On-Premise router.
BGP is configured to exchange routes.
Even if it works fine, I want to configure MD5 key on this BGP connexion, but I can't find any settings on this.
Can you explain where I can setup this ?
Kind regards François.

Azure VPN Gateway
Azure VPN Gateway
An Azure service that enables the connection of on-premises networks to Azure through site-to-site virtual private networks.
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  1. rvinnakota 4,760 Reputation points Moderator
    2025-02-12T22:10:43.9966667+00:00

    Hi @François BELLEC,

    Greetings

    Currently, there is no option to configure the MD5 key on the BGP session in the Azure gateway.

    If you would like to request this feature, please post it in the Azure feedback. All the feedback you share in these forums will be monitored and reviewed by the Microsoft engineering teams responsible for building Azure.

    https://feedback.azure.com/d365community/idea/232f250e-c9cc-ef11-95f5-6045bd863e31

    Please don’t forget to close the thread by clicking "Accept the answer" wherever the information provided helps you, as this can be beneficial to other community members.

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  1. chrischin 915 Reputation points Microsoft Employee
    2025-02-11T18:22:56.5933333+00:00

    You can do this for the IPsec tunnel, but you will have to do it via custom IPsec policy, see: https://learn.microsoft.com/en-us/azure/vpn-gateway/ipsec-ike-policy-howto

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