BGP session failing to establish for active-active configuration on second local gateway

Question

Hi Team,

We have a virtual gateway that is failing to establish the second BGP session for connectivity between our GCP environment and microsoft. We followed this guide here: https://github.com/GoogleCloudPlatform/multicloud-solutions/tree/main/gcp-azure-vpn and everything looks like it is configured fine.

The resource that is failing to establish a BGP session is: "lgw-c-nh-aue-2" The other local gateway is up and fine.

Any insight into this would be amazingly helpful.

Thanks,

Peter.

Answer 1

Hello @peter seabrook

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

Could you please provide more details about your issue? Specifically, we would appreciate it if you could:

• Share the error details, and if possible, provide a screenshot.
• Share your architecture diagram to help us understand the connectivity.
• Verify the BGP peered IP parameters and the VPN connection using the following documents:
• Check ASN numbers and azure BGP APIPA IP addresses.

Refer: https://learn.microsoft.com/en-us/azure/vpn-gateway/tutorial-site-to-site-portal#VerifyConnection

https://learn.microsoft.com/en-us/azure/vpn-gateway/bgp-howto#to-configure-bgp-on-cross-premises-s2s-connections

Looking forward to your response and let me know if you have any further questions. We will be happy to assist you.