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I have a 10/100 Linksys router connected to a 10/100 network hub and a 10/100 network switch. &nbsp;My computers are connected to the hub and switch.<br />
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I need more speed on my network, so I am about to replace the switch and hub with a single 16 port 10/100/1000 switch and add 1GB network cards to my PCs.<br />
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My questions are whether I have to also replace the router and if the Cat5 cable will restrict my network performance. &nbsp;Do I need a 1GB router and Cat6 for all of this to work?
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I have a 10/100 Linksys router connected to a 10/100 network hub and a 10/100 network switch.  My computers are connected to the hub and switch.

I need more speed on my network, so I am about to replace the switch and hub with a single 16 port 10/100/1000 switch and add 1GB network cards to my PCs.

My questions are whether I have to also replace the router and if the Cat5 cable will restrict my network performance.  Do I need a 1GB router and Cat6 for all of this to work?

Does router or wiring affect network speed?

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.