Azure Zone-Redundant ExpressRoute Gateway

Max 41 Reputation points
2022-02-03T18:19:13.583+00:00

Hi,
Can anyone help me understand the zone-redundant SKUs for ExpressRoute? I want to have a Standard SKU zone redundant ER. Should I select ErGw1AZ? Is ErGw1AZ=Standard SKU+zone redundant ER GW where instances automatically get distributed across AZs by Azure?
It is a little confusing with this naming.. It's not clear if ErGw1AZ deploys into zone 1 or is it zone redundant Standard SKU..
Thanks.

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. SaiKishor-MSFT 17,216 Reputation points
    2022-02-03T22:12:37.66+00:00

    @Max Thank you for reaching out to Microsoft Q&A.

    As seen from the below Table, these are the available SKUs currently:

    171143-2022-02-03-14-05-11-about-expressroute-virtual-net.png

    And below are the Zone Redundant SKUs:

    Zone-redundant gateways use specific new gateway SKUs for ExpressRoute gateway.

    • ErGw1AZ
    • ErGw2AZ
    • ErGw3AZ

    The new gateway SKUs also support other deployment options to best match your needs. When creating a virtual network gateway using the new gateway SKUs, you also have the option to deploy the gateway in a specific zone. This is referred to as a zonal gateway. When you deploy a zonal gateway, all the instances of the gateway are deployed in the same Availability Zone.

    So if you want a Zone redundant Gateway, you would go with the new SKUs and sinc eyou need a Standard SKU Type with Zone redundancy you would use ErGW1AZ which has the following capabilities:

    Standard/ERGw1Az

    • Circuit bandwidth: 1Gbps
    • Number of routes advertises by the Gateway: 500
    • Number of routes learned: 4,000

    Hope this helps. Please let us know if you have any further questions and we will be glad to assist you further. Thank you!

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