Routers on the same fiber optic cable but with different IP addresses on different subnets

To configure more than one IP address on an interface, issue the ip address command with the secondary keyword in interface configuration mode. Routers configured with secondary addresses can route be...

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Dec 10, 2025
BASIC COMPUTER NETWORKING: Overview and Key Concepts

This document provides a comprehensive overview of computer networking, including definitions, advantages, disadvantages, types of networks, and key components. It discusses various network

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May 09, 2026
Router (computing)

A router is connected to two or more data lines from different IP networks. When a data packet comes in on a line, the router reads the network address

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Feb 24, 2026
Different subnets in the same LAN

If the destination IP is in the same subnet as the senders IP and subnet mask then it will look locally for the destination MAC address. Otherwise

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Mar 19, 2026

I tried different Switches and also reduced my network setup to 1 device + 2 Fritzboxes but I still always experience the same phenomenon. Is there nothing else I can do than to physically

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Feb 10, 2026
connect two routers with different subnet

Do those routers have a third interface you can use to physically connect them (assuming they are in the same location to begin with)? Otherwise

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Nov 20, 2025
How to use multiple routers with fibre optics cable?

P-T-P links (a /30 mask) are used to route traffic between routers, not to assign addresses to hosts and should be from a completely different subnet than the traffic routed across

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May 01, 2026
Choosing the Right Network Cable for Your Job

Not all network cables are built for the same job. Choosing the right cable can directly impact speed, stability, distance, and overall network performance. Here''s a quick breakdown of common

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May 20, 2026
Physically connecting two OpenWRT routers serving separate subnets

This can be one of the LANs, or a separate small subnet that doesn''t overlap anything else in either site. There are advantages and disadvantages to both approaches.

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Apr 14, 2026
Fiber-optic cable

Different types of cable are used for fiber-optic communication in different applications, for example long-distance telecommunication or providing a high

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Nov 23, 2025
Understanding Routers, Switches, and Network Hardware

Here is the simplest network configuration available: a computer linked directly to a modem which is in turn linked through a phone

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Mar 15, 2026
2 separate subnets on 2 different router''s ports

If you only wish to have your two networks on individual and separate ports you can remove those ports from the bridge, add IP addresses to the ports, a DHCP server to one of them

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Sep 11, 2025
How to Reset Your Router: A Step-By-Step Guide

Before pressing any buttons, it helps to know which option you actually need and what information to save first. With the right preparation, you can reset your router without losing access

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Jul 02, 2026
Network vs. Internet: What''s the Difference? A Simple Explanation

🌐 **TL;DR: Network vs. Internet – Quick Breakdown** Network = A group of connected devices (e.g., Wi-Fi at home, office LAN). Think of it as a private club where devices share resources. Internet = A

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Feb 05, 2026
What is SFP? A Must-Know for Networking

A Must-Know for Networking Professionals SFP (Small Form-factor Pluggable) modules are essential components in modern networking, enabling seamless connectivity between switches, routers, or

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Apr 05, 2026
Intercommunication between routers on different

When a router is connected to another router, and the two routers are connected to different network segments, in order for the two network segments

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Mar 06, 2026
One fibre line into two separate networks? : r/HomeNetworking

Two of the Ethernet ports (E1 and E2) are configured with static IP addresses on different small subnets with private IP spaces, like 192.168.100.0/30 and 192.168.200.0/30, each running a DHCP server

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Apr 14, 2026
How to configure multiple IP addresses on an interface

To configure more than one IP address on an interface, issue the ip address command with the secondary keyword in interface configuration mode. Routers configured with secondary

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May 27, 2026
Direct Fiber between subnets

A fiber connection is really no different than just running an ethernet cable between the two buildings, at least not from a network configuration perspective. If the buildings use different subnets,

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Apr 25, 2026
Can I connect two routers to one fiber modem?

Learn if you can connect two routers to one fiber modem for better WiFi coverage. Discover setup methods and potential challenges.

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Jun 20, 2026
ASUS RT-BE92U Review: A Solid Just-Right Wi-Fi 7 Router | Dong Knows Tech

Table of Contents ASUS RT-BE92U: A practical Wi-Fi 7 mesh router As mentioned, the RT-BE92U is totally different from

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Dec 15, 2025
Optical computing interconnect technology landscape 2026

Optical computing interconnect patents and research 2026: silicon photonics, co-packaged optics, FSO, and fiber switching — mapped across hyperscalers, chipmakers, and academia.

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Oct 28, 2025
I upgraded to fiber and my Wi-Fi still lagged: How to

Every time a device joins your network, your router''s DHCP server automatically hands it a unique IP address, subnet mask, and gateway info so it can communicate without manual

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Nov 06, 2025
Convert Word and PDF files to clean HTML | Free

Enter or paste your text or upload and convert your Word (DOCX, DOC), PDF, ODT, RTF, and TXT documents to clean HTML.

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Jun 27, 2026
Optical Module Solutions for Huawei S5700/S5720 Series Switches

When using switches, we may encounter many confusions, such as what types of optical modules are needed for different models of Huawei switches, and how to resolve issues encountered

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