Why is the VLAN interface always in the 'UP' status even when the physical port is down?

Posts: 1,518  Zyxel Employee
Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
edited November 2023 in Maintenance

Question:

Why is the VLAN interface always in the 'UP' status even when the physical port is down?

Answer:

The physical interface port types for 100H/100HP/200H/200HP are switch ports. Therefore, the VLAN interface status does not change based on the physical port's up/down status.

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