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Can two IP segments be connected to the same switch

Optical network knowledge brief Published 19 Mar 2026

Prepared for preliminary research by the COETZER OPTICAL knowledge desk. Confirm compatibility, loss budgets and installation requirements against current standards and product documentation.

2 ip ranges 1 Switch since you want 2 separate networks, you SHOULD use VLANs to create the logical separation. without them, you What are the implications.

Can two IP segments be connected to the same switch

Ethernet Segment

Hi guys.I''m studding for the ICND 2. Spanning Tree Concepts ( ICND 2 Book)- It''s says " Switches attach to the same segment ". I

Two subnets on one switch with no VLAN and possible problems

It is perfectly possible -- and not terribly uncommon -- to run two separate layer 3 (i.e, "IP") networks over one layer 2 (i.e, "Ethernet")

Network segment

At this point in the evolution of Ethernet, multiple network segments could be connected with repeaters (in accordance with the 5-4-3

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Technical note

This reference is intended for preliminary optical-network research. Compatibility, link budgets, installation methods, test limits and applicable standards must be verified for the specific project.

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