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Just run the Cat5/6 cable to the switch in DMZ on one end and the Nic of ESX server on the other end ?
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Just run the Cat5/6 cable to the switch in DMZ on one end and the Nic of ESX server on the other end ?

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Correct, make sure it's a different vSwitch with different Virtual Machine Portgroup and label DMZ
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Correct, make sure it's a different vSwitch with different Virtual Machine Portgroup and label DMZ

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If My ESX host has 2 or more physical Nics, can I plug one of them to the switch in DMZ and leave others plugged to the switch inside the Network ?
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If My ESX host has 2 or more physical Nics, can I plug one of them to the switch in DMZ and leave others plugged to the switch inside the Network ?

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so what do you suggest if I need to have VMs in the DMZ ?<br />
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an ESX host with 4 Nics?
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so what do you suggest if I need to have VMs in the DMZ ?

an ESX host with 4 Nics?

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I meant an ESX server with 2 Nics inside the network and 2 Nics in the DMZ ?
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I meant an ESX server with 2 Nics inside the network and 2 Nics in the DMZ ?

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I would like to know if I need to put some VM machines in a DMZ (between 2 physical firewall appliances), then do I need to put a physical ESX server in the DMZ , or there is another way &nbsp;to do that ?<br />
<br />
Thank you
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I would like to know if I need to put some VM machines in a DMZ (between 2 physical firewall appliances), then do I need to put a physical ESX server in the DMZ , or there is another way  to do that ?

Thank you

Vmware Machines in a DMZ

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.

VMware

Microsoft Virtual Server was a virtualization solution that facilitated the creation of virtual machines on the Windows XP, Windows Vista and Windows Server 2003 operating systems. Virtual machines are created and managed through a web-based interface that relies on Internet Information Services (IIS) or through a Windows client application tool called VMRCplus. Features included Linux guest operating system support, Virtual Disk Precompactor, symmetric multiprocessing (SMP), x64 host operating system support, the ability to mount virtual hard drives on the host machine and additional operating systems support, including Windows Vista, and a volume shadow copy writer.

Microsoft Virtual Server

Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.