What kind of network cable do you need to hook a router to a router?

Answer 1

PC to Router = Ethernet Cross-OverBoth of these devices are expecting to connect to a switch. When connecting them together, we need to use a cross-over cable so that the transmit pair from 1 device, goes to the receiving pair of the other device.

Answer 2

There are several ways to connect two routers together. I'm assuming this question is referring to an ethernet cable. However, the most common way is with a serial crossover cable, in which one router is the DCE and the other router is the DTE. The DCE is the router configured with a clock rate.

When connecting two routers via ethernet, a crossover cable should be used. An ethernet crossover cable has the receive and transmit pins crossed.

To distinguish which kind of cable one would use to interconnect networking devices, keep in mind that the transmit pins on one device must match the receive pins on the other device. If the transmit and receive pins do not match, the wrong kind of cable is being used and your devices will not be able to communicate.

If devices that transmit on pins 1, 2 and receive on pins 3, 6 are connected to a device that receive on pins 1, 2 and transmit on pins 3, 6; then a straight-through cable (patch cable) can be used.

Devices that transmit on pins 1, 2 and receive on pins 3, 6 :

PC

Routers

Access Points / WAP's

Network Printers

Devices that transmit on pins 3, 6 and receive on pins 1, 2 :

Hub

Switch

Bridge

Examples of when to use a patch cable:

PC to switch, router to switch, PC to hub, router to hub, PC to bridge, router to bridge.

However, when connecting two like devices one can see the problem. Connecting a router with another router, both transmit on pins 1, 2 and receive on pins 3, 6; so neither device will ever receive those transmissions !!

That's why a crossover cable must be used. So that the transmit and receive pins on one end of the cable are crossed, thus aligning the transmit pins on one device to the receive pins on the other device.

Examples of when to use a crossover cable:

router to router, PC to router, PC to PC, switch to switch, hub to hub, bridge to bridge, switch to hub, switch to bridge.

The only exceptions to this rule are devices that have a special port called an uplink port or devices that have a logical auto-uplinking or 'auto crossing' feature built-in. Auto crossing is a feature that detects when the wrong cable is used and the device logically 'crosses' the transmit and receiving ends to correct this, allowing the device to send and receive transmissions. With these kinds of devices a patch cable can be used to connect them together. Newer switches and hubs have these features built-in. It's rarer to see routers with auto-uplink; however, they are on the market.

Look for the terms: Auto-uplink (auto MDI/MDI-X) in the specs to see if the device supports this feature.

Answer 3

A straight through cable, when connecting a router to another router, you would use a cross link cable. If interconnecting 2 switches, unless they are rather old, you would use a straight through cable also.
Ethernet cable

Answer 4

An ethernet cable. Its look similar to a phone line but its a little wider.

Answer 5

the straight cable can connect switch with router

Answer 6

Typically you would use a CAT5e or CAT6 Unshielded Twisted Pair (UTP) patch cable. Specifying CAT5e or CAT6 pretty much defined everything about the cable except its length.

Answer 7

You would use Cat5, Cat6 patch cable to connect switch to router. It must defined the cable length and bandwidth.

Answer 8

enthernet cable

Answer 9

rj-45