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Rescheduled 2024/01/30 - TDP Azure VPN C3 IPSEC Link Over Express route (West Europe)

Rescheduled Operation - New Date​

We have rescheduled the operation to take place on 30/01/2024 between 11:00 PM and 1:00 AM (CET)​

Dates already postponed

  • 2023/12/14
  • 2024/01/30

We want to inform you about an upcoming scheduled maintenance activity for our TDP Azure Virtual WAN infrastructure,

Rescheduled 30 january 2024 at 11:00 PM and concluding at 01:00 AM 10th january

Maintenance Details:

  • Presentation of the Change TDP Azure VPN C3 IPSEC Link Over Express route (West Europe):
    • This maintenance involves the activation of the secondary tunnel between Cisco ASA (Elancourt) and Azure NL. It encompasses configuring BGP between the Azure instances and Cisco ASA, alongside the implementation of ASPath-Prepend to prioritize Link 0 over Link 1.
    • These changes aim to maintain continuous VPN connectivity during Azure-initiated maintenance activities.
    • The purpose of this maintenance is to address the intermittent disruptions caused by Azure-initiated VPN maintenance operations. By activating the secondary tunnel and configuring ASPath-Prepend, the objective is to ensure uninterrupted VPN connectivity, preventing service interruptions during Azure maintenance activities.
More info about recurring maintenance operations : Azure VPN Gateway Maintenance Events Maintenance Events​

  • Impact on Services :

    • During the maintenance window, Expect a downtime of up to 60 minutes during this operation for the following:

      • Elancourt On-premises and virtual network VNET traffic :

        • Site-to-VNET traffic through the vHub TDP West Europe vhub may experience 1 hour of downtime, may experience brief interruptions.

        • [WARNING] Landing zone C3 connected to TDP West Europe vhub that wish to access the group or vice versa (Mobility , different Thales sites RIE ...)

        • [WARNING] CLoudbridge Link for projects "EIP / API Factory APIGEE " is also affected by this disruption

        • [WARNING] The domain *.infra.thales as well as the routing to and from the group Elancourt will be suspended

        • [ NOTE] There is no impact or disruption on TDP/VNET services operating inside (W.EU Hub) and accessing the domain *.tdp.infra.thales.

      • External Flows: Branche-to-Branche : Other traffic flows through the hub including Site-to-Site VPN
        • Defintion : Azure VWAN Branch to Branch: The direct network connectivity established TDP WEU infrastructure within Azure Virtual WAN for seamless and secure communication.

        • [!IMPORTANT] The DIS vHub will be affected, with disruption due to the unavailability of services during this operation carried by TDP "West Europe" vHUB TDP C3 (Group Internal DNS resoltion *.infra.thales and *.gemalto.com , DIS LZ to and from Thales Group Access ...)

        • [!IMPORTANT] To minimize any potential disruptions, we kindly request your support in updating the TTL (Time to Live) for DNS entries related to *.gemalto.com TDP Hosted services. Extending the TTL will help mitigate any DNS-related interruptions during this maintenance period.

  • Action Required:

    • for information CAB TDP : RITM0034320 RITM0037648
    • We would like you to take account of this scheduled maintenance and, if necessary, adjust your operational procedures to take into consideration the potential downtime.
    • We apologise for any inconvenience this may cause and thank you for your understanding as we work to improve our services.

Please do not hesitate to contact our support https://postit.service-now.com/esc if you have any questions or need assistance with this maintenance.

Thank you for your cooperation.

Trustnest MCS : Managed Cloud Services - Network Backbone Team​