FortiGate's multi-tenancy feature, specifically Virtual Domains (VDOMs), is the most appropriate tool for segmenting network operations and the administration of managed FortiSwitch devices on FortiGate. Here's why:
VDOMs as Virtual Firewalls:VDOMs function as independent virtual firewalls within a single FortiGate device. Each VDOM can have its own:
Security policies
Interfaces (Including FortiLink interfaces for FortiSwitch management)
Routing table
Administrative access
Segmenting Network Operations:By assigning different FortiSwitch devices (or groups of ports) to separate VDOMs, you effectively partition your network. Network administrators can manage specific FortiSwitches through their assigned VDOMs, maintaining operational isolation.
Enhanced Administration:VDOMs offer granular administrative control. Different administrators can be assigned to specific VDOMs, limiting their management scope and reducing the risk of accidental configuration changes.
Why Other Options Are Less Suitable:
B. Multi-chassis link aggregation trunk:This focuses on link redundancy and bandwidth aggregation, not network segmentation.
C. FortiGate clustering protocol:This is aimed at high availability and scalability of the firewall functions themselves, not the management of switches.
D. FortiLink split interface:This allows dividing a FortiLink interface on the FortiGate for managing multiple FortiSwitches, but it doesn't provide the true segmentation and administrative isolation that VDOMs offer.
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