F5F Stay Refreshed Power Users Networks Configure the FG-80E firewall to divide your network into distinct segments.

Configure the FG-80E firewall to divide your network into distinct segments.

Configure the FG-80E firewall to divide your network into distinct segments.

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Human_Torch452
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11-07-2024, 06:52 AM
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We now possess a structure built with an ONT, Fortigate Firewall model FG-80E, and two HPE OfficeConnect 1920S series switches. The first switch is set to 192.168.1.11, the second to 192.168.1.12, both in Building A. This network feeds Switch 3 (192.168.1.14) in Building B through Switch 2 using SFP fiber uplinks. With ownership of both sites and ISP payments, we aim to adjust the Fortigate for network segmentation—dividing or isolating the two buildings into separate networks. We lack credentials and anticipate a hard reset will be necessary. This isn’t my first experience configuring a hardware firewall this way; aside from perhaps an EdgeRouter X, I’m seeking guidance on tutorials that demonstrate segmenting a network into two using the FG-80E. I’ve found limited resources for this model, but are there alternatives with similar configurations or Fortigate versions? Does the setup require pre-existing subnetting or can the firewall handle segmentation and routing directly? I’m uncertain if the firewall merely forwards traffic within an already segmented environment or can truly split and direct packets between networks. On the EdgeRouter X, I could assign distinct IPs per port, assuming the device supports that—so I assume the firewall can manage it.
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Human_Torch452
11-07-2024, 06:52 AM #1

We now possess a structure built with an ONT, Fortigate Firewall model FG-80E, and two HPE OfficeConnect 1920S series switches. The first switch is set to 192.168.1.11, the second to 192.168.1.12, both in Building A. This network feeds Switch 3 (192.168.1.14) in Building B through Switch 2 using SFP fiber uplinks. With ownership of both sites and ISP payments, we aim to adjust the Fortigate for network segmentation—dividing or isolating the two buildings into separate networks. We lack credentials and anticipate a hard reset will be necessary. This isn’t my first experience configuring a hardware firewall this way; aside from perhaps an EdgeRouter X, I’m seeking guidance on tutorials that demonstrate segmenting a network into two using the FG-80E. I’ve found limited resources for this model, but are there alternatives with similar configurations or Fortigate versions? Does the setup require pre-existing subnetting or can the firewall handle segmentation and routing directly? I’m uncertain if the firewall merely forwards traffic within an already segmented environment or can truly split and direct packets between networks. On the EdgeRouter X, I could assign distinct IPs per port, assuming the device supports that—so I assume the firewall can manage it.

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