Most devices don't care anymore but In the old days it mattered if you had a straight cable or crossover cable. I spent some time troubleshooting a system and I asked if they had swapped the cable. Of course they said no but on a hunch I checked. Yup, they had a patch cable when a crossover was needed.
Mandatory Auto MDI/MDIX support is arguably one of the best improvements of the Gigabit Ethernet standards over 10/100 Fast Ethernet aside from just the speed
Had the same problem with RS232 cables, back in the days. Those for communication between two devices were crossed, while those for controlling another device were not.
Back at school I did my CCNA and Aries A+ and I remember having to manually pin the cables differently depending on what it was being used for. The tool was also way less fancy then some I see, we just had a cut and crimp tool.
Oh so that's why in recent years we don't have to make a straight-cross cable anymore, in school I learn straight-straight is for different device straight - cross is connected from same device
@@tzielsky well, you were taught wrong. Cross means the green and orange pairs cross, straight means they don't. At 100Mbps these are the RX/TX pairs, so one device's RX needs to cross over to the other's TX and vice versa. Above 100M you must use all 4 pairs and Auto-MDI(X) takes care of it. There are more types other that straight and cross, like inverted which IIRC was used for console ports.
This is what I follow since the day my prof cleared this in the Cisco packet tracer- Straight through/patch cable for linking 2 different devices like PC and switch Crossover is used for linking devices of the same type like PC to PC/Switch to Switch Obviously modern devices are much smarter and have auto switching capabilities but still follow this rule when you are actually working for a company!
If you still follow that rule when working for a company then if the devices are new enough to have auto mdi/mdix then you are just making the devices change the nic/port to the different one to work. If it is a mix of old and new hardware then it would make sense.
@mikkelgraff6879 Oh thanks for clearing that. I have moved to the cybersecurity field so don't follow much on networking but it's great to have better understanding for the newer devices!! Also there are very limited companies who have all of their devices upgraded to the latest tech. Most companies I have encountered will always have a mix of old and new and don't upgrade until there is an absolute need for the same just like most clients out there are Windows 10 based.
Mainly one use for going between different types of devices or different layers layer vs while the other is used to talk to same layer: pc to pc you need cross over
I used a crossover cable to connect 2 routers across my house. I pulled one line through my attic and down to the cable outlet so that's a dual ethernet/coax and the other side of the house to my fiber optic modem in my daughters' room. The crossover cable is so i don't have to mess with programming anything more on the second AP. Glad I used singing with my IT degree.
Did anyone else go "awww" the way you do when you see old technology you're familiar with? You know like MemMaker, Wang workstations, or talking calculators.
I still use cross over cables to configure devices on a “local network” ie plugging directly into my laptop, working the feild it’s not always possible to have a switch handy, and I’m better off with a crossover in my bag opposed to a 5 port switch
Why tho. If your pc is modern it should support auto mdi/mdix and change it self if it detect it is needed. If you use a crossover all the time the nic just changes it self so it works as a straight cable. From what i know it only requires one device to have it as it will change to work with the other device
@ ah i’m not so sure. I mean, I work in radio, and broadcast equipment has pretty much stagnated since the 90s, these units I configure from a company called Btools, they ship with crossover cables, and you have to specify that you want the network version when you order it otherwise you might get the one with an auto dialer or the one with a serial port
@Uncleharkinian Okay Damm. But you laptop if it is new should have auto mdi/mdix and then it will detect if a straight or crossover connection is needed and change it self to what is needed. Then you should be able to use a straigt cable to those older devices. That is what i think based on my understanding of the auto mdi/mdix feature. That it is only needed on one device as it will detect what is needed to communicate with the onther device and change itself to that. I could be wrong tho.
@Uncleharkinian nice. But i would suggest you read about auto mdi/mdix yourself to make sure it could work on paper. As I am not 100% sure i remember correctly.
I never understood cross cables until someone told me that Ethernet port on your device has "data in" pins and "data out". And by crossing cables you connect outs of one port with ins of the other and vice versa. Nowadays this doesn't matter anymore but back in the day this helped me a lot. And to be honest, I never knew pins by heart, I always used manuals to make a cable myself 😅
Hosts to host = use crossover Network device to network device= cross over Host to network device = straight Routers are considered hosts. But.... I'd buy only straight cables and just use crossover adapters if necessary. You don't need to care anymore as since the introduction of gigabit the network cards auto negotiate that, except of you're them in lower speeds for example for passive PoE.
Great explanation! I found it easier to understand with demonstration and actually seeing what im learning. Does that mean that straight-through cables are not in use anymore?
I've been aware of the ethernet crossover cable since my OG Xbox modding days. There's also a crossover and straight through Serial cable too to really mess with your head!😂
Back in the days straight through cables were used to link two computers without a switch or a hub to create network. I am not sure what the use of these cables are in 2025, but I see that Davis still have one cable just like that.
Xbox 360 needed a crossover cable to connect to the internet via the PC. I went crazy because I didn't know, trying all the cables they had, finally one worked and had crossover written on it and from there I discovered their existence.😂
It used to matter which one you use to connect which devices but nowadays it doean't matter thanks to mdix function devices know who is on each end thus they use straight cable accordingly either as intended or as crossover but you don't need both anymore.
Brings back memories of me trying to connect 2 Win98 computers together with just one cable. After setting up the ip addresses manually, I did get it to work, but it was very fiddly. I didn't get Win7 to work without DHCP.
LOL, it reminds me one of the first times I tried laying cat cables and when I was using the cable tester I used a crossover cable and didn't understand how I messed the order so much, good times....
I feel for you on that! Not sure what your situation is, but it is likely worth looking around for grants and other programs that might be available, such as through your local community colleges. You'd be surprised how many areas need/want tech experts and are willing to pay the cost of sitting exams for certs for you!
Crossover and auto MDI only matters at 20 and 100 Mbps. Gigabit ethernet runs all pairs in both directions so either configuration will work. By the way I have the same cheap Chinese cable tester.
classic, usually this will actually matters for old cisco and other enterprise model network that they don't want to replace adapters because expensive but still working lmao, nowadays just go straight cable for almost anything with the auto
I still to this day check cables by holding both ends up to each other to check it's a straight through, even though cable type doesn't really matter anymore, but I'd been burned so badly by wrong cable type over the decades.
I love it when you go to school for like 8 years learning all this stuff about wiring and signals and networking and then you get out of school and things are completely different and work nothing like how you were taught. Now stuff just plugs in and it works. No SQL or bulshit to deal with, and now that $600 you spent on your SQL certification is meaningless
Great, now I wonder what if two modern PCs are connected first with crossover cable and then with S-T cable? Will NICs auto detect this and enable communication in both cases? A long time ago, only CS cable could be used, otherwise HUB or Switch was needed, but today I’m not sure, I think that also S-T cable can be used for direct connection.
It's not that easy to explain briefly and concisely, but I'll give it a try. So, in the Ethernet cable, one pair of wires, e.g. the orange and orange-white, is intended for receiving data and one pair of wires, e.g. the green and green-white, is intended for sending data. For a connection to work, the transmitter pairs of one device must be connected to the receiver pairs of the other device. If these two devices are similar to each other, e.g. two computers, a cross-over cable is required. The receiver pair of one computer becomes a transmitter pair on the other side as a result of the swap. However, if you now connect a switch or a router between the two computers via which this data runs, both computers need a straight-through cable to the switch. So receiver remains receiver and transmitter remains transmitter. This is because the two port connections are basically wired cross over within the switch already, a cross over cable would swap it again -> no connection. Back then this was really important, as David says in the video, otherwise nothing lights up. It was quite easy to remember: A connection to a switch/hub is always straight through, a connection to an identical device such as Pc-Pc, switch/hub-switch/hub, PC router, router-router is always cross over. Nowadays, devices automatically recognise the sending and receiving wires and it is simply adapted. Mostly straight-through cables are used today. Cross Over is kinda dead but could be needed with older devices
To make it exceedingly uncomplicated. Devices that lived on the same layer didn’t know how to talk to each other without it getting awkward. They couldn’t talk and listen at the same time so you wired the mouths of the cables on one end to the ears on the other end. Then the devices that lived on the same level could hear each other and speak clearly without yelling at each other. Devices that lived on different levels didn’t care who was speaking when because they could either ignore the chatterboxes or tell them to shut up while they dealt with more important matters.
A straight cable is in-in, out-out great for pluging a device into a bit of network gear that has hardware inside to route traffic between devices. A crossover is in-out, out-in useful for a quick device to device link as otherwise the devices would each have their ins and outs pointing at each other with no mechanism to "talk" as the lacked the ability to swap their in/outs. Think mouth-mouth, ear-ear vs mouth-ear, ear-mouth if it helps. Network equipments job was to link mouths and ears as needed, and devices couldn't move the location of their mouths and ears. Gigabit standard changed this, so even devices have this basic ability to sort out who listens where, and crossover cables(and adapters) went😊 away.
You can still use a crossover if you ... want to plug a laptop straight into your pc tower, and you have a dhcpd running. You can get that transfer if you are out a switch. It's a good basic Linux survival skill. And if you have a few wireless nics with master mode, build yourself an epic router.
Ich Patche die selber mit LSA+ Werkzeug. Dann wird das am ende mit dem LanTec IV getestet, ob die Kabel richtig angeschlossen sind und am Panel auch am richtigen Port angeschlossen sind. Macht viel Spaß. Ein Kollege im Server Raum und ein Kollege läuft durch das Gebäude und man Telefoniert miteinander. LWL Kabel verlegen machen wir, aber anschließen macht die andere Firma von unserem Unternehmen.
I had always hated this since 20 years, because I never knew what was wrong with my cables. Now I know 😅
Usually cross over cables were Red
20 years for you to discover:
TX -> TX
RX -> RX
and
TX -> RX
RX -> TX
Seriously?
terminating rj45 ethernet.... it took you 20 years to find the answer....
@@BB-of3gh not if you crimp your own cables
Most devices don't care anymore but In the old days it mattered if you had a straight cable or crossover cable. I spent some time troubleshooting a system and I asked if they had swapped the cable. Of course they said no but on a hunch I checked. Yup, they had a patch cable when a crossover was needed.
How are you even verified, you don’t have 100k subs????
thank you, i think that was the vid about
Mandatory Auto MDI/MDIX support is arguably one of the best improvements of the Gigabit Ethernet standards over 10/100 Fast Ethernet aside from just the speed
On the other hand, mdix also makes it a lot easier to accidentally create network loops.
Brought back memories. That's how I co-op 2 person LAN party back in the day for cheap
@@cheesemons i bought router for lan coop in my dorm and put it outside
Still remember how chaos is my dorm after it 🤣
Well at least we will never forget why there are crossover cables. 😅
The same goes for terminators on a coax network.
Usually Straight Through cable is used for connection between a PC and a Switch.
A Cross-over cable is used for connection between 2 PCs
Modern NICs do auto cross over, so you don't need cross over cable between 2 PCs
Last time I used cross was for that 4-5 years ago 😂
This is what I was looking for thank you
@@newstar346 Yes... We all watched the same video
No need for that anymore.
Great explanation- I’ve been needing practical networking examples like this!! 🎉
He literally explained nothing
Had the same problem with RS232 cables, back in the days. Those for communication between two devices were crossed, while those for controlling another device were not.
Starting my journey as a Network Engineer/Manager, this videos are insanely helpful, thank you so much 🙏
Just for your awareness. Modern NICs auto negotiate and do auto crossover. Nearly every scenario now will use a straight through.
So nice to see the results on a physical tool, nice short as always!
Back at school I did my CCNA and Aries A+ and I remember having to manually pin the cables differently depending on what it was being used for. The tool was also way less fancy then some I see, we just had a cut and crimp tool.
It's very satisfying to hear the sound of Ethernet cable plugging in the port and locking ❤❤❤
I really appreciate you, David and everything that you do keep doing what you do best, sir
Love the video ❤ Thank you Sir
Oh so that's why in recent years we don't have to make a straight-cross cable anymore, in school I learn straight-straight is for different device straight - cross is connected from same device
There's no straight-cross. A cable is either straight (AA/BB) or crossed (AB).
@@LordFokas I was taught in school that cable start with green strip-green called cross pattern, the start orange strip-orange called straight
@@tzielsky well, you were taught wrong. Cross means the green and orange pairs cross, straight means they don't. At 100Mbps these are the RX/TX pairs, so one device's RX needs to cross over to the other's TX and vice versa. Above 100M you must use all 4 pairs and Auto-MDI(X) takes care of it. There are more types other that straight and cross, like inverted which IIRC was used for console ports.
I remember needing to crimp crossovers manually for direct device linkage back in the day. Poor man's Laplink if I recall correctly.
This is what I follow since the day my prof cleared this in the Cisco packet tracer- Straight through/patch cable for linking 2 different devices like PC and switch
Crossover is used for linking devices of the same type like PC to PC/Switch to Switch
Obviously modern devices are much smarter and have auto switching capabilities but still follow this rule when you are actually working for a company!
If you still follow that rule when working for a company then if the devices are new enough to have auto mdi/mdix then you are just making the devices change the nic/port to the different one to work.
If it is a mix of old and new hardware then it would make sense.
@mikkelgraff6879 Oh thanks for clearing that. I have moved to the cybersecurity field so don't follow much on networking but it's great to have better understanding for the newer devices!!
Also there are very limited companies who have all of their devices upgraded to the latest tech. Most companies I have encountered will always have a mix of old and new and don't upgrade until there is an absolute need for the same just like most clients out there are Windows 10 based.
Thank God....this was such a limitation ....one of the old networking restrictions I don't miss
Did you know this?
No I did not. Tha KS for sharing. Just got my lpi recently. Going for my ccna next
A to B cable
Yes I did but its always good to see knowledge being shared because not everyone does.
No 😅 but it's a good thing to know!
I didnt. Thanks for making this comparison video
Oh man. I remember having to find the correct cable for connecting these. All too easy now!
Back in the day we always bought or made our crossover cables from red-sheathed Cat5/5e, and straight-through could be white, grey, blue, or yellow.
That’s interesting, I didn’t even know about the existence of crossover cables. But what’s the difference in functionality tho?
Mainly one use for going between different types of devices or different layers layer vs while the other is used to talk to same layer: pc to pc you need cross over
Crossover are the more famous one thats it
@@oDiabloNope
Crossover is hub to hub, regular is device to hub.
Because they've been unnecessary for decades since auto-mdi
I used a crossover cable to connect 2 routers across my house. I pulled one line through my attic and down to the cable outlet so that's a dual ethernet/coax and the other side of the house to my fiber optic modem in my daughters' room. The crossover cable is so i don't have to mess with programming anything more on the second AP. Glad I used singing with my IT degree.
So basically, a straight through cable you do need to worry about color coding, just make sure each same color goes top the same pin...
At school they have taught us that but they never told us about auto mdi/mdix. Thanks!
Did anyone else go "awww" the way you do when you see old technology you're familiar with? You know like MemMaker, Wang workstations, or talking calculators.
I still use cross over cables to configure devices on a “local network” ie plugging directly into my laptop, working the feild it’s not always possible to have a switch handy, and I’m better off with a crossover in my bag opposed to a 5 port switch
Why tho.
If your pc is modern it should support auto mdi/mdix and change it self if it detect it is needed. If you use a crossover all the time the nic just changes it self so it works as a straight cable.
From what i know it only requires one device to have it as it will change to work with the other device
@ ah i’m not so sure. I mean, I work in radio, and broadcast equipment has pretty much stagnated since the 90s, these units I configure from a company called Btools, they ship with crossover cables, and you have to specify that you want the network version when you order it otherwise you might get the one with an auto dialer or the one with a serial port
@Uncleharkinian Okay Damm. But you laptop if it is new should have auto mdi/mdix and then it will detect if a straight or crossover connection is needed and change it self to what is needed. Then you should be able to use a straigt cable to those older devices.
That is what i think based on my understanding of the auto mdi/mdix feature. That it is only needed on one device as it will detect what is needed to communicate with the onther device and change itself to that. I could be wrong tho.
@ hmm I’ll give it a shot next time i’m setting one up
@Uncleharkinian nice. But i would suggest you read about auto mdi/mdix yourself to make sure it could work on paper. As I am not 100% sure i remember correctly.
Ah the old days where you'll carry a cross-over cable with you everywhere, just in case you need to do peer-to-peer connection.
The crossover cable is the one i use the most
Industrial or commercial jobs over here have it as standard
I never understood cross cables until someone told me that Ethernet port on your device has "data in" pins and "data out". And by crossing cables you connect outs of one port with ins of the other and vice versa. Nowadays this doesn't matter anymore but back in the day this helped me a lot.
And to be honest, I never knew pins by heart, I always used manuals to make a cable myself 😅
This was an issue back when OG Was to be connected to a WinXP PC. Crossover was a must. At least I did go by that rule.
Hosts to host = use crossover
Network device to network device= cross over
Host to network device = straight
Routers are considered hosts.
But.... I'd buy only straight cables and just use crossover adapters if necessary.
You don't need to care anymore as since the introduction of gigabit the network cards auto negotiate that, except of you're them in lower speeds for example for passive PoE.
Some of us stil work on old cards etc so it is still valid to know the difference
I remember back in the day using cross over cables to directly connect two computers without the need of a switch, hub or any other network device.
Yep great for lan games while on a flight ✈️
Great explanation! I found it easier to understand with demonstration and actually seeing what im learning. Does that mean that straight-through cables are not in use anymore?
I've been aware of the ethernet crossover cable since my OG Xbox modding days. There's also a crossover and straight through Serial cable too to really mess with your head!😂
Back in the days straight through cables were used to link two computers without a switch or a hub to create network. I am not sure what the use of these cables are in 2025, but I see that Davis still have one cable just like that.
Xbox 360 needed a crossover cable to connect to the internet via the PC. I went crazy because I didn't know, trying all the cables they had, finally one worked and had crossover written on it and from there I discovered their existence.😂
It used to matter which one you use to connect which devices but nowadays it doean't matter thanks to mdix function devices know who is on each end thus they use straight cable accordingly either as intended or as crossover but you don't need both anymore.
Excellent ❤
Where in from, crossover cables are usually red.
Flashbacks to CSNA course prep 😭
Yeah, I had used them in the back with the original Xbox to do two Xboxes connected together.
Halo LAN Parties!
Keep up the good work
Brings back memories of me trying to connect 2 Win98 computers together with just one cable. After setting up the ip addresses manually, I did get it to work, but it was very fiddly. I didn't get Win7 to work without DHCP.
Crossover no longer needed.
Thanks for making this short
Always wondered what the difference was
LOL, it reminds me one of the first times I tried laying cat cables and when I was using the cable tester I used a crossover cable and didn't understand how I messed the order so much, good times....
I learned that in school about 20 year ago. ... Next video on roll-over cables please 😊
As a 16 years old preparing for ccna I know this. I prepare for the ccna more than enough but don't have the money to get the cert 300😊
I feel for you on that! Not sure what your situation is, but it is likely worth looking around for grants and other programs that might be available, such as through your local community colleges. You'd be surprised how many areas need/want tech experts and are willing to pay the cost of sitting exams for certs for you!
Good luck, pay more attention about vlan and dynamic routing
Crossover and auto MDI only matters at 20 and 100 Mbps. Gigabit ethernet runs all pairs in both directions so either configuration will work. By the way I have the same cheap Chinese cable tester.
This video reminds me that I have a router I have never touched since I bought it
Let's not forget the rollover cable
Haven't touched cross over cables in years
classic, usually this will actually matters for old cisco and other enterprise model network that they don't want to replace adapters because expensive but still working lmao, nowadays just go straight cable for almost anything with the auto
I still to this day check cables by holding both ends up to each other to check it's a straight through, even though cable type doesn't really matter anymore, but I'd been burned so badly by wrong cable type over the decades.
I still have a crossover cable in my work laptop bag.
Great content sir
A on one side and B on the other. Orange and green pair swap places.
I love it when you go to school for like 8 years learning all this stuff about wiring and signals and networking and then you get out of school and things are completely different and work nothing like how you were taught. Now stuff just plugs in and it works. No SQL or bulshit to deal with, and now that $600 you spent on your SQL certification is meaningless
As a electrician I never knew why there is a A code and a B Code.
Great, now I wonder what if two modern PCs are connected first with crossover cable and then with S-T cable? Will NICs auto detect this and enable communication in both cases? A long time ago, only CS cable could be used, otherwise HUB or Switch was needed, but today I’m not sure, I think that also S-T cable can be used for direct connection.
Modern devices will auto detect in most cases. So yeah, they would work fine in your example.
@@asv5769 it will work fine
Switch over cable more strength than straight cable.
I forgot what I learn from my classroom lol
Didn't know that, but why the difference? Do they behave differently? Why would someone choose to use one over the other?
It's not that easy to explain briefly and concisely, but I'll give it a try.
So, in the Ethernet cable, one pair of wires, e.g. the orange and orange-white, is intended for receiving data and one pair of wires, e.g. the green and green-white, is intended for sending data. For a connection to work, the transmitter pairs of one device must be connected to the receiver pairs of the other device. If these two devices are similar to each other, e.g. two computers, a cross-over cable is required. The receiver pair of one computer becomes a transmitter pair on the other side as a result of the swap.
However, if you now connect a switch or a router between the two computers via which this data runs, both computers need a straight-through cable to the switch. So receiver remains receiver and transmitter remains transmitter. This is because the two port connections are basically wired cross over within the switch already, a cross over cable would swap it again -> no connection.
Back then this was really important, as David says in the video, otherwise nothing lights up. It was quite easy to remember: A connection to a switch/hub is always straight through, a connection to an identical device such as Pc-Pc, switch/hub-switch/hub, PC router, router-router is always cross over.
Nowadays, devices automatically recognise the sending and receiving wires and it is simply adapted. Mostly straight-through cables are used today. Cross Over is kinda dead but could be needed with older devices
To make it exceedingly uncomplicated. Devices that lived on the same layer didn’t know how to talk to each other without it getting awkward. They couldn’t talk and listen at the same time so you wired the mouths of the cables on one end to the ears on the other end. Then the devices that lived on the same level could hear each other and speak clearly without yelling at each other.
Devices that lived on different levels didn’t care who was speaking when because they could either ignore the chatterboxes or tell them to shut up while they dealt with more important matters.
Great explanation Mr. C1phor 1337
A straight cable is in-in, out-out great for pluging a device into a bit of network gear that has hardware inside to route traffic between devices. A crossover is in-out, out-in useful for a quick device to device link as otherwise the devices would each have their ins and outs pointing at each other with no mechanism to "talk" as the lacked the ability to swap their in/outs. Think mouth-mouth, ear-ear vs mouth-ear, ear-mouth if it helps. Network equipments job was to link mouths and ears as needed, and devices couldn't move the location of their mouths and ears. Gigabit standard changed this, so even devices have this basic ability to sort out who listens where, and crossover cables(and adapters) went😊 away.
I need to check on my IT book network.
And now most people just use crossover for everything. I know i do.
You can still use a crossover if you ... want to plug a laptop straight into your pc tower, and you have a dhcpd running. You can get that transfer if you are out a switch. It's a good basic Linux survival skill. And if you have a few wireless nics with master mode, build yourself an epic router.
Doesn't matter anymore. You can use any type of cable now.
How could anyone not know this by now?
Thank you 🙏
You’re welcome 😊
used a crossover cable to give internet to my laptop through my pc
I am so glad auto MDI-X became a thing.
I have the exact same cable tester. Nice.
love this
My head hurts.
I just checked and half of my house is wired with crossover and half is straightthrough
this is the nightmare way back when auto MDI-x was still an alien to some switches
One correction, it’s a twisted pair cable and not an ethernet cable, Ethernet is the protocol.
Ich Patche die selber mit LSA+ Werkzeug. Dann wird das am ende mit dem LanTec IV getestet, ob die Kabel richtig angeschlossen sind und am Panel auch am richtigen Port angeschlossen sind. Macht viel Spaß. Ein Kollege im Server Raum und ein Kollege läuft durch das Gebäude und man Telefoniert miteinander. LWL Kabel verlegen machen wir, aber anschließen macht die andere Firma von unserem Unternehmen.
I have needed to touch a cross over cable in over 15 years!
You don't need this for any modern device. They will just figure it out and remap.
then why we still have cross over cable when we Auto MDI/MDIX support now
You needed the crossover cable to play with two Xbox’s back in the day (IIRC)
Which one is better for faster internet
Not gonna lie cross over cable seems stupid. Just keep the straight cable.
I remember this was an issue with PC-PC (need for crossover). When did computers network cards begin to support non-crossover cables?
But if you connectting 2 gigabit switch with straight cable, the transfer rate just 100Mbps only.
But what was the point of the cross over cable?
Gigabit plus you don’t need crossover
Lost in time.. few people understand why that is. Love the old way vs the dumb new way.
I remember when i was in college. During those time, Internet is no available. We play dota using crossover 😂 . Pc to pc
DavidBombal has a South African accent
Why did ten years ago school push me to learn this?
Its a hectic thing, thank god they did auto
What is the purpose of crossover cables? Seems like a needless complication
What if you plug in 2 modern computers? Instant LAN?
I was taught in the old times that you used a crossover cable for devices that live on the same layer of the osi model.
Same, like switch to switch, pc to pc
Now show us a rollover cable.
Clearly one is white and the other is a light gray.
Why did they use a crossover cable?
Yeah annoying af 20 years ago. Today I don't people even know