Any other mechanism than azure route server like static routing

Aniket Jagadale 31

Is there any other mechanism other than azure route server to exchange traffic or do transit routing via azure cloud. For e.g. like creating static routes using route table.

1 answer

SaiKishor-MSFT 17,216 Reputation points

2022-02-09T22:06:18.86+00:00
@Aniket Jagadale Thank you for reaching out to Microsoft Q&A.

I understand that you want to know how to achieve transit routing via Azure Cloud via other mechanisms than Azure Route Server.

If you want to Transit Routing between On-premises and Azure Cloud using Azure VPN, then you can do so by using BGP with Virtual Network Gateway.

If using BGP based VPN Gateway, you can have Transit routing between P2S VPN clients and on-premises connected to this BGP based VPN Gateway.

However, this is not possible using static routes at the moment. Also please note that, when using Express Route, you cannot have Transit Routing via Azure Cloud. Hope this helps.
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Aniket Jagadale 31 Reputation points

2022-02-10T08:15:31.26+00:00

Thanks for the response @SaiKishor-MSFT . So below is my understanding as per your response.

BGP is required for transit routing between a S2S VPN connection and an On-premises via Azure cloud

Static routes is not in place as of now if transit routing is required between a ExpressRoute connection and an On-premises via Azure cloud, for that you have to go with Azure Route Server.

Now I've 2 more questions on this.

Is BGP required for transit routing between a S2S VPN connection and an On-premises (which is running again on a separate S2S VPN connection) or we don't need to enable BGP here. Also note these both S2S VPN connections are terminating on same VPN gateway.

Also will Azure Route Server exchange traffic between a S2S VPN connection and an On-premises (which is running again on a separate S2S VPN connection). Also note these both S2S VPN connections are terminating on same VPN gateway.

Is BGP required for transit routing between a ExpressRoute connection and an On-premises (which is running again on a separate ExpressRoute connection). Also note these both ExpressRoute connections are terminating on same ExpressRoute gateway.

Also will Azure Route Server exchange traffic between a ExpressRoute connection and an On-premises (which is running again on a separate ExpressRoute connection). Also note these both ExpressRoute connections are terminating on same ExpressRoute gateway.

So there are total 4 scenarios mentioned above and what would be the ideal solution for each of the scenarios.

SaiKishor-MSFT 17,216 Reputation points

2022-02-10T19:36:14.903+00:00

@Aniket Jagadale Can you please explain further or provide a Network diagram here. I am unable to understand what you mean by -a S2S VPN connection and an On-premises (which is running again on a separate S2S VPN connection)?
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Any other mechanism than azure route server like static routing

1 answer