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Number of network interfaces required in AWS EC2 Instance to rouut multiple subnets

vmsiyer
We are currently using UTM 9 software appliance in an AWS EC2 instances. Our environments has development, staging and production web servers which are required to access the internet from the private subnet.

To achieve this do I need to create:
- 4 interfaces in UTM for External (public), Internal1(development private), Internal2 (Staging private) and Internal3(Production private) in UTM Interfaces and Routing tab

- Corresponding to that do I need have an EC2 instance with 4 network interfaces in AWS EC2. This means I can select only a c3.xlarge instance.

Any help on this configuration details is highly appreciated. Please let me know.

Thanks
-vmsiyer


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  • 0
    Bruce have you tried using VLANs in EC2, thus requiring only two virtual NICs?

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson
    Bruce have you tried using VLANs in EC2, thus requiring only two virtual NICs?

    Cheers - Bob


    You can't use VLANs in AWS EC2/VPC.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

Reply
  • 0 in reply to BAlfson
    Bruce have you tried using VLANs in EC2, thus requiring only two virtual NICs?

    Cheers - Bob


    You can't use VLANs in AWS EC2/VPC.

    CTO, Convergent Information Security Solutions, LLC

    https://www.convergesecurity.com

    Advice given as posted on this forum does not construe a support relationship or other relationship with Convergent Information Security Solutions, LLC or its subsidiaries.  Use the advice given at your own risk.

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