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Question 90

An NSX administrator is creating a NAT rule on a Tier-0 Gateway configured in active-standby high availability mode.

Which two NAT rule types are supported for this configuration? (Choose two.)

    Correct Answer: B, E

    When configuring a Tier-0 Gateway in active-standby high availability mode, the supported NAT rule types are Source NAT (SNAT) and Destination NAT (DNAT). Reflexive NAT is mainly used in active-active mode due to its handling of asymmetric paths. Therefore, for an active-standby setup, SNAT and DNAT are the appropriate choices.

Discussion
Omega666Options: BE

https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/administration/GUID-DDB35A76-BD12-4F09-8D88-2490E4DAA8F6.html Gateway Available Actions Tier-1 gateway Available actions are SNAT, DNAT, Reflexive, NO SNAT, and NO DNAT. Tier-0 gateway in active-standby mode Available actions are SNAT, DNAT, Reflexive, NO SNAT, and NO DNAT. Tier-0 gateway in active-active mode The available action is Reflexive. I think here is a mistake in the Possible answers, because in Active/Standby is possible SNAT, DNAT and Reflexive. Either there is a possibility to select 3 solutions in the check or another possibility to exclude something

fylingfish

I think they are saying "..two NAT rule types are ONLY supported for this..."

abdul9999Options: BE

reflexive used for Active-Active teir 0. SNAT & DNAT for Active-Standby

Virtual_ITTechOptions: BE

BE is correct Reflexive only support Active-Active

studyexam603Options: BE

I agree with Omega666 - active/standby supports SNAT, DNAT, and Reflexive NAT. See: https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/administration/GUID-C24C751C-74CE-47BE-93B6-E5B7C646C343.html "A tier-0 logical router in active-standby mode supports source NAT (SNAT), destination NAT (DNAT) and reflexive NAT. A tier-0 logical router in active-active mode supports reflexive NAT only."

hello_world67859Y63Options: BE

B and E answers is good, not D because the question mention an active-standby mode, not an active-active mode. Saw in the ICM 4.0 : "You can use the reflexive NAT rule when a Tier-0 gateway runs in stateless active-active mode and when stateful NAT might lead to issues because of asymmetric paths."

hello_world67859Y63Options: BE

B and E answers is good, not D because the question mention an active-standby mode, not an active-active mode. Saw in the ICM 4.0 : "You can use the reflexive NAT rule when a Tier-0 gateway runs in stateless active-active mode and when stateful NAT might lead to issues because of asymmetric paths."

zokkysmokkyOptions: BE

B&E is correct

gregd22Options: BE

B and E since this is Active / Standby.

ytochiOptions: BE

BE is correct

warCZertOptions: BE

"You can configure source and destination NAT on a tier-0 logical router that is running in active-standby mode." https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/administration/GUID-45949ACD-9029-4674-B29C-C2EABEB39E1D.html

warCZertOptions: BE

Hi, see this: "You can configure source and destination NAT on a tier-0 logical router that is running in active-standby mode." https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.2/administration/GUID-45949ACD-9029-4674-B29C-C2EABEB39E1D.html So I agree on B+E...

asorinOptions: BE

reflexive is used in active/active