Questions tagged [hub]

An Ethernet hub is a device for connecting multiple Ethernet devices together and making them act as a single network segment

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53 views

How to properly daisy chain network switches?

My setup will be similar to the image I created above. Let me summarize: My old Cat3 phone lines will be converted to ethernet by simply adding some ethernet plugs on the end of the cables. I'll then ...
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Unplugged Ethernet Cable Causing Network Slowdown

A few days ago the internet speed on my main PC went to near zero. It's an HP Elite with Win 7. Here's the setup: NIC - 2' ethernet cable - union - 10' eth cable - union - 25' eth cable - powered eth ...
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1answer
25 views

assigning com ports to usb ports of a usb hub

I am starting to automate my lab and for that I need to connect 8 devices to my computer (not enough USB ports). All of them can communicate through a virtual com port. My question is that if I ...
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1answer
30 views

ThunderBolt 3 Dock/Hub on a laptop with USB C (Gen1)

I have a laptop (Lenovo Thinkpad l390) with 2 USB C and wanted to get a hub that had VGA and RJ-45, and maybe some other ports but most of the options I can find are Thunderbolt 3 Hub/Docks I was ...
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1answer
29 views

Using DSL router for hub only

Is there a way to use my ATT DSL router as a hub/switch only? I'm cancelling my DSL service but need a 4 port hub. When I disconnect DSL service, the other ports don't work. I have a Netgear b90-...
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52 views

Power from laptop usb 3.0 vs mains powered usb hub

I’m wondering if mains powered usb 3.0 hub delivers more power in amps per port than a standard laptop usb 3.0 port. I can’t find any amperage specs for either (data ports rather than charge-only ...
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1answer
48 views

Use Tomato router as ethernet hub?

I'm running tomato 1.28 on my N600 netgear router, and I have the following situation: I have an ethernet cord coming directly from a normal router (I'll call it router1), that I would like to use to ...
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27 views

Dongle or hub to pass through power from screen [closed]

I have an LG 4k USB-C screen that I connect to my 2018 MacBook pro and it simultaneously powers the laptop while getting a 4k signal from the laptop at 60hz. I would like to add a dongle or hub to my ...
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2answers
5k views

Crossover cable or straight through between multiple hubs/switches

I'm networking a bunch of Raspberry Pis together on a subnet as shown in my highly technical diagram below: I'm wondering if the red cables are supposed to be crossover cables or straight through? ...
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2answers
468 views

Why am I getting packet loss when pinging raspberry pis on subnet?

I have three raspberry pis connected together on a subnet via a hub. I've given them all static IPs and I'm using one main Pi to ping the other two Pis. Here is my setup: Once the main Pi starts ...
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1answer
48 views

Who Can See My Ping Requests?

Diagram From my understanding: If a ping request is passed to another computer through the hub, the ping request can be seen by all 5 computers on the network If a ping request is passed to another ...
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1answer
269 views

Toggle Switch Internet Connection - Between Two Computers

I have regular cable internet. I also have a personal computer and work computer in my residence. I would like to toggle share internet, so if personal home computer is using internet, work ...
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166 views

Audacity freezes when attempting to record from my blue snowball microphone, while it's plugged into a hub

Audacity, by and large, works fine for me. I use Linux Mint 19 at the moment. When I have my Blue Snowmall microphone plugged in directly, it has zero issues reading from it. However, when I plug ...
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1answer
90 views

In house networking – hub or switch?

I have a 200 MBPS cable modem that has 4 Ethernet cables, but it is in one room, I want to go put a hub or switch in the attic and run Ethernet cables to each room in the house, two in the master ...
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1answer
74 views

*Hardware* / Win 7 / External HDD + HUB / Correct shut down

I hope someone can answer me that question Case:Im using several external HDD's which are connected to a hub, which again has it's own power supply and no on/off switch. Problem: I don't want the ...
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0answers
324 views

Webcam only detected through usb hub but not directly

I posted this question first on StackOverflow. I got the hint to post it here with additional information. So here is the updated question. Original question: I tried to connect a usb webcam ...
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1answer
57 views

connect multiple devices securely to a single device over internet without any static IP

I'm an electronics engineer with no experience and knowledge in networking. I'm working on some home automation project and will choose the best way to connect my phone(s) to the HUB(which controls ...
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1answer
526 views

Can we add external power to usb hub to power keyboard and mouse?

I have tried to connect a usb hub with external power as shown in the picture but dosent seem to power up my keyboard and mouse.! I'm trying to connect these two to my android device through an OTG ...
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1answer
1k views

USB 3.0 Powered Hub disconnects every few seconds but works fine on USB 2.0

I have a TP-Link USB 3.0 7-Port Powered Hub UH700 with 7 devices connected. I have the hub connected to my laptop via a Belkin USB 3.1 Type-C to Micro-B cable. The hub works fine for a couple of ...
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3answers
13k views

Is it important for a USB 3.0 hub to be powered? [closed]

Since the power specification for USB 3 is significantly higher than that for USB 2, I'm wondering if it's important to choose a powered USB 3 hub over a less-expensive unpowered USB 3 hub.
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1answer
224 views

How to extend usb cable 30m thru ethernet? (with non-powered ethernet usb hub)

I need to connect a usb hub 15m from my computer, i've tried a hub with 4 slots and a power supply, and a 15m active usb cable. The hub has a wireless Xbox receptor (with up to 4 xbox controllers ...
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0answers
189 views

Collision Domains: Switch connected with two hubs

I know there are already some topics concerning Collision Domains, but I think my question is still specific enough to warrant a specific answer. I understand collisions only occur on half-duplex ...
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2answers
3k views

The Math Behind Lots of Devices on a USB Hub

I've been searching for a solid answer for this, but haven't found anything conslusive. Basically, I am getting a powered 7-port USB 3.0 hub, but I am plugging devices that are important or are high-...
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1answer
660 views

OS boot fails with external USB HUB attached (workarounds but no solution)

After extensive testing I have narrowed down a problem where both Windows 7 and Ubuntu Mate 64-bit won't boot with "Load Optimal Defaults" option in BIOS and a USB HUB plugged in (TA790GX3 A2+ mobo, ...
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0answers
53 views

USB HUB reboots when external power is applied - normal or abnormal?

Equipment: I have a StartTech.com 7-port USB 3.0 HUB plugged into a PC. There are seven devices plugged into the hub, and I'm running the 12VDC external power to the HUB as well. The HUB is plugged ...
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2answers
4k views

Connect 4 webcams to a USB HUB

I have a USB2.0 hub with 4 ports connected to my computer. Can I connect 4 USB cameras to this hub at the same time? Thanks
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2answers
3k views

How to share internet using hub instead of wifi router

I have broadband, and my ISP set up my windows PC for the internet via a Ethernet cable. But my other PC (which runs Ubuntu Linux) can't now connect to the Internet. My ISP suggests using a Wifi ...
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1answer
536 views

Bash not working any more?

I was trying to install home brew (I am new to the command line and was following some tutorials on how to get up and running with github). So I was following this Unofficial Update Method: Compile ...
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2answers
1k views

What do I need to power a device via USB?

I have USB Y cable and if I am correct one of them is only for the power supply. It was suggested to that I get a USB powered hub but I only want to supply 5V of power for a single port. Would it be ...
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6answers
10k views

Why is a router needed?

I‘ve been trying to figure out why a router is needed. I know a router can be used for DHCP and some other things, but I’m just thinking of networking with static IPs. So the following: Is it ...
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1answer
2k views

Network Hub to Hub - no network

I've set up a home network using hubs. I know it's best to replace hubs with network switches however the hubs were donated and it's not feasible to buy network switches. The setup consists of a hub (...
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2answers
984 views

How to extend or to divide a network? [closed]

I try to understand the difference between the Switch, Hub , Bridge , etc ... But I did not really happen. In the event that I wish to extend my network or divide, what material should I use exactly ?...
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1answer
1k views

Windows Tablet data and power from one USB

My Windows tablet has one mini USB port which is used for charging the tablet's battery as well as for data transfer but because there is only the one USB port it won't let me do both at the same time....
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1answer
298 views

Make CISCO RVS4000 into hub mode

I am trying to do packet analysis with a RVS4000 Cisco device that has four computers connected. The device is not broadcasting packets to the other devices connected to the device. For my lab, I ...
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2answers
401 views

Can just modem + hub distribute internet to the computers without router?

As I asked in question header, without router can we share the internet with modem+hub or modem+switch?
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1answer
272 views

Connecting youview box via a D-Link DIR-655 to broadband

Hope this is the right forum to ask this question: I have a recently installed youview box with BT Infinity broadband. I would like to use an old D-Link DIR-655 to connect from the TV broadband ...
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2answers
278 views

Unused port on Linksys 5 port workgroup hub still blinks even with nothing connected to it

The light on port 5 on the Ethernet hub will continue to blink green as long as the power is on. I have removed the power for 30 seconds and inserted the power cable again without any change. Model ...
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1answer
1k views

Should I purchase a switch, a hub, or a router?

I have just installed a Motorola SURFboard SBG901 cable modem, and I can connect two computers I have to the Internet via Wifi. I'd like to distribute the Internet connection among some other machines ...
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1answer
984 views

Is there an USB-Hub that allows simultaneous sharing? [duplicate]

I have been looking for a device to connect printer, smartcard, etc. to two PCs at the same time. I've heard that there'd be a file corruption issue, but maybe they worked out a workaround. ...
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4answers
18k views

Identify the device if it is hub, switch, router or gateway

If you are given two hosts which are connected via a blackbox which you dont know. How can you recognize that blackbox as hub, switch, router or gateway without using any additional device or host? ...
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3answers
29k views

Can't a USB hub power keyboard and mouse at same time?

I'm trying to use a Dell mouse and keyboard via a single USB port using the USB splitter hub, but the devices seem to misbehave. Just one of the devices work when I connect both. I figured out it's a ...
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2answers
3k views

Can Current Backflow from Powered Hub's Adapter & cause PC Damage?

Getting this short: Can current flow from a powered USB hub's power adapter (lying 10 Meter away) back to computer via usb port and cause damage to Computer components like mobo, etc? What should be ...
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3answers
8k views

Can modern switches act like hubs?

I've been trying to find a hub, specifically for the packet broadcast characteristic. I'm troubleshooting a NAS behind a NAT router and want to look at the traffic arriving on the wire and this seems ...
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2answers
1k views

In theory, how would you set up a mechanism by which repeaters/hubs could detect loops and shutdown ports to break the loop? [closed]

I am trying to think of a mechanism to use repeaters to detect loops and then shutdown ports in order to break the loops. Is it possible for any solution to work 100%?
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903 views

If repeaters/hubs are connected into a loop, rather than bridges, what happens when somebody transmits?

On a network, repeaters(hubs) are connected into a loop, instead of using bridges. What happens when a transmission is made?
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2answers
257 views

Usb hub is not able to extinguish peripherals

I have a problem. Few days ago I have bought new active hub (LogiLink UA0096). Hub recognizes devices rightly and I can use them. Unfortunately, Hub is not able to eject them properly. After the ...
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1answer
804 views

Why do hubs and switches receive on pins 1 and 2 and transmit data through pins 3 and 6 of their cable?

Is there any reason they couldn't have been made to use the same pins as NICs and routers for transmitting and receiving? I had trouble finding any information about this through Google, so I hope you ...
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2answers
730 views

Will connecting two hubs with two cables help for performance?

I have two 1 GBit hubs and I wondering if connecting them with two network cables help for network performance? Here is example: I have switch A and B. I have 4 computers, A1 and A2 which are ...
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177 views

AU6254 generic hub working very slowly - need a driver

I have a USB HUB based on an AU6254 chip, but it works extremely slow on Windows 7, less then 1 Mbit/s and pretty slow on Windows XP - I can run a webcam in 2 MP mode, but if I ...
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1answer
377 views

Central hub for Computer/TV/Video Game systems/etc?

I have the following devices: TV (Inputs: HDMI + DVI) Xbox 360 (Outputs: HDMI Audio/Video) Desktop PC (Outputs: HDMI + DVI Video; 1/8" mini cable out Audio) Two LCD PC monitors (Outputs: DVI Video) ...