Are NSGs and Route Tables zone redundant? Unfortunately I could not find this information on microsoft.com (e.g. https://learn.microsoft.com/en-us/azure/reliability/availability-zones-service-support )

@Bart Olejnik Welcome to the Microsoft Q&A Platform. Thank you for reaching out & I hope you are doing well. I understand that you would like to know if NSGs are Zone Redundant. NSGs follow the same resiliency as Azure Virtual Network. This means, yes, NSGs are Zone Redundant Thanks, Kapil 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.

DRC in azure - Are NSGs and Route Tables zone redundant?

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KapilAnanth-MSFT 47,046 Reputation points Microsoft Employee

2023-02-24T08:58:26.55+00:00

@Bart Olejnik

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

I understand that you would like to know if NSGs are Zone Redundant.

NSGs follow the same resiliency as Azure Virtual Network.

This means, yes, NSGs are Zone Redundant

Thanks,

Kapil

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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Bart Olejnik 125 Reputation points

2023-02-24T11:07:23.1833333+00:00

Hi Kapil,

thank you for your answer. It's really helpful and answer my question.

Could you also tell me how does it look like for Route Table (UDR)?

I'm asking because I'm currently building DRP strategy for Azure resources where mostly I would like to relay on "Zone redundancy"

Best regards

Bartek

KapilAnanth-MSFT 47,046 Reputation points Microsoft Employee

2023-03-01T03:24:19.6033333+00:00

@Bart Olejnik ,

Apologies for the delay in my response.

Yes, NSGs and UDRs both are Zone redundant and follow the same resiliency as Virtual Networks in Azure.

Cheers,

Kapil

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.

Alfonso Albacete Zapata 0 Reputation points Microsoft Employee

2023-05-31T15:16:59.52+00:00

Hello @KapilAnanth-MSFT , could you please provide official Microsoft documentation where we can find that information?

thank you so much

KapilAnanth-MSFT 47,046 Reputation points Microsoft Employee

2023-05-31T16:08:17.3566667+00:00

Alfonso Albacete Zapata

NSGs and Azure Route Tables are virtual components, unlike a VPN Gateway or VM where we have dedicated node(s) in one of our data centers (physical components).

The same can be said for a VNet, as the name implies.

So, they are Zone Redundant. I am afraid I could not find the specific document that states this.

https://learn.microsoft.com/en-us/azure/reliability/availability-zones-service-support

Cheers,

Kapil

Alfonso Albacete Zapata 0 Reputation points Microsoft Employee

2023-06-01T07:07:32.46+00:00

I understand @KapilAnanth-MSFT . Thank you for your answer. Moreover, I have noticed in the documentation you provide, that the link in Azure Virtual Network is pointing to the same as the Virtual Network Gateway link. Would this be a mistake?

KapilAnanth-MSFT 47,046 Reputation points Microsoft Employee

2023-06-01T07:15:52.33+00:00

Alfonso Albacete Zapata

Looks like it.

I shall work on this internally and get this resolved.

Thank you.
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DRC in azure - Are NSGs and Route Tables zone redundant?

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