Questions tagged [wired-networking]

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36 views

Please Help!! - Extensive CAT6A Prewiring for Renovation [closed]

All, I need your help! I am overseeing a major renovation at a multiunit building, and I am trying to install a prewired, future-proof network. Jobsite: 2-story Building, 6 Apartment Units End Goal:...
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11 views

Satechi Multiport disrupts LAN

We have a wired LAN network with about 100 pcs, connected via various unmanaged switches. Every now and then, all devices on one specific switch lose connection. After some searching, I found that as ...
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21 views

Portforwarding on Huawei B818-260

I got a Huawei modem/router for 4G broadband at home with a contract for that. We have also a IP Camera, Foscam FI9805W, which worked during several yw\ears now, but we cannot use it with an app on ...
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30 views

DL185 G5 poor Ethernet lan speed

I picked up this server for like $20 and just using it for my homelab setup. The problem is that the ethernet speeds are peaking at 8MB/s on the LAN and even worse to the internet down to like 5MB/s. ...
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1answer
15 views

Network topolgy from AP to Master/Slave Load Balancers

This is (complete overkill) for a personal project and something I thought was interesting. I would like some redundancy in my system, there are several places a master/slave relationship could exist....
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49 views

Cat5E wall plate wiring: Used the diagram that came with the wall plate. It doesn't work. Any suggestions? Turns the switch port light off

I ran a CAT5E cable from a functioning switch port and cut one end off and installed a wall plate, using the wiring color code per the chart with the wall plate. When connecting to a computer via a ...
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1answer
49 views

There is an available RJ45 wall socket, without network configuration information, how do I connect to the network?

In my apartment I have an RJ45 wall socket and I have permission from the landlord to use it (I've asked him). He doesn't know much about technology; so cannot provide me with the configuration ...
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21 views

KVM vm's dropping network connections

My entire network is wired, using ipv4 internally, dhcp6 for ipv6 I have a server running a Debian 9.x using KVM/QEMU to host vm's, let's call this mainserver. On mainserver is a bunch of vm's ...
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2answers
243 views

What to disable on my second router as switch?

I'm extending my network coverage to the basement and I took the dust off my old router and am now converting it to a network switch. Wireless will probably be turned off so that it only support wired ...
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2answers
39 views

How to identify bottlenecks in my home network

I have a fairly simple network setup, Netgear CM1200 cable modem in master bedroom Wired Ethernet throughout the house Netgear R6700v3 wifi router connected to wired wall Ethernet in second bedroom ...
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1answer
146 views

Fast Ethernet router limits my speed to 10Mb/s

My internet speed is supposed to be 100Mbps down and 10Mbps up, if I connect my PC directly to modem I can measure that, with a degree of error. So far so good. But if I connect PC to modem via router ...
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1answer
78 views

Having trouble with 2 default gateways

I got trouble with having 2 Default Gateways and when those 2 are configured it just causes too many problems like loss of Internet connectivity Here is my IP config for each adapter Wireless LAN ...
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1answer
84 views

Why can't I turn on 'metered connection' for Ethernet in Windows 10?

I have been using Windows 10 since last 4 years. I have a Windows 10 (Pro) PC and one Windows 10 (Home) edition. But I have seen something peculiar in both of them while connecting to the internet via ...
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2answers
53 views

Possible methods of making detecting MAC addresses more straightforward?

For a little bit of background, I am a student computer technician and have spent quite a bit of time finding the ethernet MAC address of numerous devices so that they can be registered for use on ...
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1answer
75 views

Networking or Internet Problems

I have recently had my ISP install a router for my office in the comms room of the building and now need to get my nighthawk d7000 in my actual office to connect through the floor back to the ISP ...
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2answers
76 views

What's the most secure cipher for ssh that can send files at USB3 speeds? (~480Mbps)

I have a gigabit connection between my PC and my server (iperf3 tests show ~930Mbps) and I want to be able to transfer large files as fast as possible. The hard drive on the server is connected via ...
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1answer
56 views

USB interconnection between computer and iPhone failing due to “link not ready” error

I am trying to connect to the internet on my laptop (Lenovo Thinkpad running Ubuntu 18.04) by connecting to my phone (iPhone 6s) though a USB-Lightning cord. This has worked for months but suddenly ...
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51 views

Router slows down until Ethernet cable unplugged and plugged back in

My internet will run quite fast for a period of time, but then will abruptly get very very slow, until I unplug the Ethernet cable that is plugged into the router (not my computer) and plug it back in....
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1answer
50 views

Router throughput concern

I'm hosting LAN party and I am concerned about networking. Everyone will be connected on wire to switch. There will be multiple switches (4x 24/48 port) and I am thinking about wiring these switches ...
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214 views

Uninstalled game, now LAN onboard NIC not turning on

I am dealing with an older PC with Windows 7 and I have uninstalled the game League of Legends by Riot and Tencent games. Then when I rebooted my PC I could not get the ethernet jack to turn on. After ...
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1answer
29 views

Ping transmit general failure on Windows

We have a windows 7 system with static IP and DNS in our network. From last couple of days, the network icon on taskbar is displaying red cross. I can't ping PC's static IP, gateway, DNS even loopback ...
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1answer
48 views

Copy files over WiFi less reliable than wired connection

I wan't to copy some data (2TB) from a network share to an external hard drive. My laptop is connected to the share using a WiFi connection. I don't care about the time it needs to copy. But is ...
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2answers
56 views

AT&T UVerse debugging after lightning strike

My AT&T UVerse modem fails to connect after a recent lightning strike. I've done some basic debugging: If I connect the modem to the jack in the telephone network interface box outside my house, ...
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1answer
30 views

How do I get LAN speeds on device with different public ip?

I want to setup my network with the following configuration. A switch going out of my router which would provide a public ip to a server and a public ip to my home network. How do I configure my ...
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12 views

How does CAN communication know to decode as little or big endian?

Specifically I am looking for a 29-bit transmitter under J1939 standards. I assume there is a section dedicated to identifying which order was sent in the hearder, but I can't find anything in the ...
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1answer
177 views

How to connect FIOS in new (to us) apartment to PCs and devices

My roommate and I just moved into a new apartment and had Verizon FIOS set up. We assumed that since there were several Ethernet outputs across the apartment that we would be able to just hook up ...
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37 views

Debain based software booted on Macbook Pro 2016 wired connection falure

Problem So I have the network adapter appearing in lsusb Bus 006 Device 002: ID 0bda:8153 Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter I tried installing the driver with sudo apt-...
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38 views

Wired Network Issue with Debian based system booted on Macbook Pro 2016

I dual booted my mac with Parrot OS. I have perfectly fine wireless connection but Ethernet is not recognized. When I installed the system, it said that the Ethernet card could not be identified and ...
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37 views

Wired Connection not working with Parrot OS booted on Macbook Pro 2016

I dual booted my mac with Parrot OS. I have perfectly fine wireless connection but Ethernet is not recognized. When I installed the system, it said that the Ethernet card could not be identified and ...
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0answers
36 views

Using a 2nd router most effectively

Hope this question is in the right place. I have an AT&T wireless modem & router, and an Asus RT-AC68. I had been running two separate networks, one for upstairs & one for downstairs. I've ...
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95 views

Disadvantages of field termination plugs for home networks

For my home network I consider to use field termination plugs like this instead of a patch panel or keystones. In my basement there are about 20 CAT7 cables which I need to connect to a (web ...
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0answers
35 views

How are the three channels of an ISDN line seperated from each other? And how does that differ from the way channesl are divided in a DSL line?

My thinking is (pls correct me if I'm wrong)an ISDN line has two B channels for data transferring and a D channel for signaling; channels of a DSL line are separated by frequencies of the ...
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2answers
2k views

Can I use a Cat5e cable with an RJ45 and Cat6 port?

I want to have wired connection but my laptop has an RJ45 port and my wall port is a Cat6 and the only wire I have is a Cat5e. I don't want to go out buying new cables and converters so I was ...
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1answer
1k views

Types of Ethernet Link Modes from ethtool [closed]

What's the difference between the following link modes when we run ethtool: Supported link modes Advertised link modes Link partner advertised link modes There is a similar output from mii-tool: ...
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2answers
249 views

How to RDC via local adapter instead of wireless network?

I have these two computers, both joined to my home wireless network. I frequently access either of them using RDC from the other with no problem. I have large video files to transfer via the RDC and ...
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2answers
35 views

LAN on 2 locations with weak link - how to set up fallback DHCP+RADIUS if there's a disconnect between the locations?

The site concerned is small and it's long, thin and winding, without consent to drill holes. There's an area affected by this, which has a couple of file servers, and 2 sporadically used PCs. To be ...
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1answer
20 views

Can't see network printer after switching from standard wireless access points to Linksys Velop Dual band system

I have included a link to a Word doc with the details of the before and after installation below. https://www.dropbox.com/l/scl/AADGiu_4QvODYeCh5JlwGq6sfduPywPvUMY When you try and print to the ...
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0answers
50 views

Is one large home network superior to two separate ones?

I have a Plusnet Hub One as my primary router/modem for all of the home's wired and wireless connections. In an attempt to increase the range and speeds when connecting to the internet upstairs, I'm ...
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1answer
37 views

Setting up my own network inside room and connect with common router [closed]

Background and Specs I'm currently planning to add a personal network inside my room because of several reasons. However to do that, I thought to buy my own router and setup inside room and connect ...
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1answer
423 views

Ethernet throughput bottlenecks

I'm trying to figure out the bottlenecks of a typical wired network. In my case, the network is closed off where I have many single board computers communicating to my laptop via a switch. I'm using a ...
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1answer
980 views

Can I use 120 ohm impedance cable for ethernet

Can I use existing telco cable in my building for ethernet networking (100 Mbit link) ? Cables have a marking 120 Ohm, 350 MHz, and contain 4 twisted pairs. What could be possible downsides ? I have ...
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1answer
201 views

Ethernet in a cavity wall?

I would like wired Ethernet in my house, a couple weeks ago I asked about the risk of lightning when running it outside, I done some more research and found that my house has a cavity wall which means ...
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1answer
187 views

No network > local system has static IP(from LAN) but my virtual box(centOS) has no net work

I have installed VirtualBox(centOS 7) on my local system(windows 10). Local system >> Static IP (from my local Internet Service Provider) VirtualBox Network Settings >> Bridged Adapter with ...
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1answer
606 views

Wired router in front of a wireless router?

I have an AC3200, R8000 Wifi router. I want to have a wired-only router with at least 4 (preferably more) ethernet outlets in front of this at the modem and then feed the wireless router from the ...
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0answers
79 views

Using a Windows 7 laptop as an 802.1x authenticator & authentication server

I am aware that I can make a Linux image act as an 802.1x Authenticator and authentication server by configuring a combination of hostapd and freeRADIUS (see this question). However, I'm being asked ...
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1answer
527 views

PCI gigabit (tp-link TG-3269) and PCIe gigabit (TP-Link tg-3468)

I need help as my PC has few NICS. I notice that TG-3269 can reach only 60-80 MBytes/s (tested using NetIO) but PCI express (TG-3468) always above 100 MBytes/s, even upto 110 MBytes/s Is that normal ...
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3answers
31k views

How to enable network adapter in centOS7 minimal?

While installing centOS 7 minimal, I missed enabling network. Now, I am unable to connect to the network (unable to ping or install packages using yum to be precise). How can I enable the network ...
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1answer
15k views

How can I connect my Steam Link directly to my Windows PC?

I recently bought a Steam Link to play my PC games on TV, but playing over WiFi hasn't been a great experience, with random hiccups, delays and dropped frames. I had read in on Steam discussions that ...
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2answers
582 views

Do I need to wire a CAT5e cable a certain way to provide digital TV over fiber optic?

Fiber optic internet, phone, and TV service comes in to an outside mounted ONT. Two CAT5E cables run into the home from 2 of the 6 ports on the the ONT, which I am assuming is one for internet and one ...
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2answers
97 views

How to configure LAN IPs and subnets for this topology?

I have a server that has 1G and 10G links, and a 1G + 10G switch. I want to be able to use the 1G and 10G links simultaneously - either to test both against each other, or to command via SSH on one ...