Insight Compass

Do I need a crossover cable to connect two Cisco switches

Originally Answered: Do you need a crossover cable to connect two switches? No, you do not need a crossover cable to connect two switches, with qualifications. Most (probably all) modern switches have either an auto detect port(s) or a manual uplink switch for a particular port.

Which type of cable should be used when connecting between Cisco switches?

Straight-through cable is used for unlike devices: router to switch/hub, computer to Switch/hub. Cross-over cable is used for like devices: Switch to Switch, Router to Router, Computer to Computer Rolled cable is used for Configuring Router or Switches.

Are crossover cables necessary?

Crossover cables are needed only when connecting two Ethernet client devices, neither of which is configured for Gigabit Ethernet. Modern Ethernet devices automatically detect the use of crossover cables and work with them seamlessly.

Which type of cable would you use to connect two switches together?

An Ethernet crossover cable is a crossover cable for Ethernet used to connect computing devices together directly. It is most often used to connect two devices of the same type, e.g. two computers (via their network interface controllers) or two switches to each other.

Do I need a crossover cable to connect a Switch to a router?

A straight-through cable is used in local area networks to connect different devices like a computer to a network hub such as a router, router and switch, PC and switch, and so on. … A crossover cable is only required when interconnecting two devices with the same functionality.

What is a crossover cable Cisco?

An Ethernet crossover cable is a type of Ethernet cable used to connect computing devices together directly. Unlike straight through cable, crossover cables use two different wiring standards: one end uses the T568A wiring standard, and the other end uses the T568B wiring standard.

What type of cable is used to connect to a Cisco console port?

The console port uses an 8-pin RJ-45 connector. If you did not order a console cable, you need to provide an RJ-45-to-DB-9 adapter cable to connect the switch console port to a PC console port.

Why it is necessary to crossover the cables to connect two PCS?

Crossover cables flip the transmit and receive wire pairs from one end to the next, so that the transmissions channel on one end corresponds to the receiving channel on the other and vice versa. This eliminates the need for a hub, switch or other intermediary hardware.

What is crossover cable used for?

Crossover cables These are used to connect two computers or similar devices directly together, such as computers or hubs. To create a crossover cable is to rearrange the wires on one end of a standard Ethernet cable, so that they are in the following order (starting at pin 1):

How can you tell if a cable is crossover or Ethernet?

One easy way to tell what you have is to look at the order of the colored wires inside the RJ45 connector. If the order of the wires is the same on both ends, then you have a straight through cable. If not, then it’s most likely a crossover cable or was wired wrong.

Article first time published on

Do modern laptops need crossover cables?

current devices have implemented ethernet auto mdix. The answer is simple: You don’t need such cable.

How do I connect 2 switches together?

Daisy-chaining network switches You can daisy-chain network switches together. On most switches, it doesn’t matter which port you use to daisy chain to another switch. Just pick a port on both switches and use a patch cable to connect the switches to each other via these ports.

Can you connect two computers with a straight-through cable?

Yes, If both of the Computers have NICs (Network Interface Cards) with Auto MDIX (Medium Dependent Interface Crossover) capability then Straight Cable can be used to connect similar network devices, i.e. A Computer to Another Computer instead of a Crossover Cable required.

When would you use a crossover cable when connecting to a Cisco device?

In a nutshell, if you are going from like device to like device, you will use an Ethernet Crossover Patch cable. For example; when you go to connect two routers directly together via their fast Ethernet ports, you will use an Ethernet Crossover Patch cable.

Which type of cable do you need to connect a switch to a workstation?

In general when you connect two similar devices ie, switch to switch, router to router, workstation to workstation, you will use a cross-over cable, and for all others – use a straight through.

Can a crossover cable connect a switch to a router?

Yes a crossover cable will work for you. It may very well not be necessary, as the ports on many modern switches autosense and adapt to the correct transmit/receive orientation. If they do autosense, you will still be OK.

Is Cisco console cable straight-through?

Types of RJ-45 Cabling Cisco products use the following types of RJ-45 cables: Straight-through. Crossover.

How do I connect my Cisco console to my laptop?

Plug the serial DB-9 end of the console cable into the serial DB-9 port on your laptop. If your laptop has no serial DB-9 port, plug the serial DB-9 end of the console cable into the serial DB-9 end of a USB to serial DB-9 adapter and then into a USB port on your laptop.

Which pairs are crossed in a crossover cable?

In brief, a crossover cable connects two devices of the same type to communicate together, like a PC to a PC, or a switch to a switch. The patch cable connects two different devices to each other, like a PC and a switch.

What features in modern switches eliminate the need for crossover cables?

Auto-MDIX uses automatic line sensing in the ports called auto sensing. This feature eliminates the need for special crossover cable, separate MDI and MDIX ports, and switches requiring selection for particular devices.

What setting on a switch device allows for cross over or straight through cables and configures for that connection?

Auto-MDIX on an Interface When automatic medium-dependent interface crossover (auto-MDIX) is enabled on an interface, the interface automatically detects the required cable connection type (straight through or crossover) and configures the connection appropriately.

What is the difference between RJ 11 & RJ 45 connectors?

RJ45 is mostly used with Ethernet cables while RJ11 is connecting to telephone units. RJ45 has 8 wires inside while Rj11 has 4 wires. RJ45 is bigger in size than RJ11. You cannot plug-in the RJ45 cable connector into an RJ11 jack/interface/port/slot, however, you can do the opposite.

Can I use straight through cable to connect two switches?

When hooking two new switches, or an old switch to a new switch, you can use either a straight or crossover cable and it will probably auto detect how to configure the port. If not, press the up-link button and connect the cable to the highest numbered port on that switch.

Is Cat5e a crossover cable?

Crossover cable such as Cat5, Cat5e crossover cable, etc. is a type of twisted pair cable used to connect two devices of the same type such as “DTE to DTE” or ”DCE to DCE” in the following situations: One computer to another computer. One switch to another switch connecting a normal port on both sides.

Can two switches play together without WIFI?

No problem! With the Nintendo Switch, you and up to seven other people can play a game together wirelessly, without needing an Internet connection. … Since playing over local wireless is all done through an ad-hoc wireless network (non-discoverable by other non-Switch devices), you don’t need a Wi-Fi connection to play.

Can 2 switches play the same game?

Nintendo Switch lets two systems play the same game at the same time. … This will make the second console the account’s primary system. You can then log out of that account on the second Switch, and create a new profile. You can now play the same game on both systems at the same time.

Can I connect two computers together?

Connect Two Computers Directly With a Cable The conventional way to network two computers involves making a dedicated link by plugging one cable into the two systems. You may need an Ethernet crossover cable, a null modem serial cable or parallel peripheral cable, or special-purpose USB cables.

What type of RJ45 cable is used between switches?

To connect two switches together, you would use a RJ45 UTP crossover cable.

How do I connect two computers to the same computer?

Step 1: Connect two Computers using an ethernet cable. Step 2: Click on Start->Control Panel->Network and Internet->Network and Sharing Center. Step 3: Click on option Change Advanced Sharing Settings in the upper-left side of the window. Step 4: Turn on file sharing.

Which cable will be used to connect router and PC in Cisco Packet Tracer?

Copper straight-through: This is a standard Ethernet cable that is used to connect two devices that operate in different layers of the OSI model (such as hub to router and switch to PC).

Why did a straight through cable work when I connected a router to another router?

Do not be surprise when you connect a router to another router with a straight through cable and it works, this is because they both have auto-sensing and auto-crossover will occur between them.