A network switch or a hub is a computer networking device that connects network segments.

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Ping not working between two devices when going trough a switch with nothing else connected

(Apologies in advance if this is misplaced here. I'm trying to integrate a NAS into my network and have multiple problems. This is one of several questions that I'm planning to ask about this here.) ...
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1answer
437 views

Setting up Remote FTP server access via switch, router and modem

I'm trying to access my remote FTP server from a PC that is connected to our (Virgin) DSL modem via a switch (Netgear GS108PE). The switch is connected to a Router (Asus RT-AC68U) and that is ...
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1answer
38 views

Is there any defensive element for non-standard voltages on networks?

Assume that an attacker join to our network as a good person and we give him a cable that is connected to one of our switches. Now, If he connect the wires of that cable to a high voltage (60v for ...
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1answer
505 views

How Duplicate address is detected in lan for ipv4 networks

If i have two pc's connected to a switch , and i statically configure the same ip address on both the pc's, then how the pc's come to know that there is a address conflict (duplicate address) on the ...
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0answers
58 views

Possible to route multiple networks through same Switch? [closed]

I am not sure if I phrased this question correctly so I drew it out as best as possible My dilemma is I am on a budget and Nano/Booksize PCs with dual RJ45 connections are twice as much as the lower ...
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2answers
181 views

Switch after Router seems to create own subnet

I have a Router (Easybox 802) connected to the Internet. It has sockets for LAN-cables and a wifi-antenna. One socket of the router is connected to a switch (netgear fs605 v2) in another level in the ...
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0answers
703 views

NAS can't connect via switch but works directly on router

I own a WD MyCloud 3TB and a TP-LINK TL-SG1005D Switch (10/100/1000Mbps 5-Port Gigabit Desktop Switch) as well as a Linksys X3000 Modem-Router. If I attach the NAS to the router it connects without ...
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2answers
253 views

Adding a switch hangs my network

In my current setting, I have a Cisco EPC3982AD router running it's own DHCP server, and handing out addresses on the 192.168.150.X subnet to machines connected to it, on the LAN interfaces. In the ...
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1answer
55 views

Router as switch between wall and main router

Here is the situation: I have an old SMC router that I want to configure as a switch (or bridge, I'm not sure what it would be...) to act as a device that is connected to the internet outlet in the ...
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1answer
57 views

Connecting to a computer on a switch from a computer directory from router

So I have 3 Computers: Computer 1: Connected Directly to router. Vendor: Cisco, Model: DPC3939 Computer 2: Connected to switch. Vendor Dynex, Model:: DX-E401 Computer 3: Connected to switch. Vendor ...
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1answer
721 views

IPTV and NET over one cable - VLAN

My scenario: House with 2 floors. 1st floor equipment: ONT (fixed on this floor) - with four ports - three for IPTV and one for Internet Netgear Switch GS105E NAS (fixed) Computer (fixed) ...
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1answer
773 views

Monitor switch traffic load on specific port (CISCO managed switch)

For troubleshooting networks problems I need to know how to monitor the traffic (work load) on a managed switch. I read about SPAN for CISCO switches. But it seems to be overkill since it does mirror ...
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1answer
85 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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3answers
90 views

can I use eth0 interface to connect to two different networks

I'm using Ubuntu on PC. I have switch with 5 ports, and Rasberry. how can I connect to raspberry via eth0 using static network (192.068.0.0/24) and in same time connect to internet using another ...
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2answers
92 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
217 views

Router as VLAN broker bridge on single managed switch?

Will the network configuration below work? [ 8-port Managed Switch ] VLAN_1: Port 1 = Cable Modem VLAN_2: Port 2 = Router WAN VLAN_3: Ports 3-8 = Other Can the router on VLAN_2 broker between the ...
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1answer
117 views

Multiport connection between home router and switch for better LAN bandwidth

I have quite a few GigE devices at home that I’d like to have better LAN speed between them, but at the moment, all I have available are 3 ports on my (GigE) FTTH router (It has 4 but can’t use one of ...
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2answers
1k views

Multiple switches - how does it work?

I was reading about networking hardware some time ago and came across an explanation on how network switches work - basically, it said that a switch keeps an internal database of what MAC address is ...
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2answers
93 views

How can I separate networks so users can only see computers in their own department? [closed]

With 5 different departments, I want people to see and ping only one's department computers. 60 computers are connected in LAN environment through various switches, routers and one Cisco Managed ...
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1answer
35 views

Can we build a network switch chip by ourself? [closed]

Looks it it simple enough - just forward package to other port. I am wondering if is possible to build it on some common ARM SOC. Didn't need care about the speed or advance feature.
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4answers
721 views

Is a switch just a simple router?

A switch connects computers together. As an example we set up a switch to create a network. When computer A wants to speak to another computer B, it sends the packet to the switch (it has the ...
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631 views

10/100Mbps router overwhelmed by Gigabit switch & its devices?

I believe I've got the scenario outlined in this SU answer, where my 10/100Mbps router is being overwhelmed by a Gigabit switch and the devices connected to it. This comes into play with frequent ...
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1answer
35 views

How do I get a switch to refresh connections faster?

The process I'm using is as follows: Setup a repeated ping from one machine (that's already connected to the switch) to the IP address of a second machine. Plug the second machine (which is powered ...
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4answers
118 views

Is it possible to use a ethernet switch to provide two different routers with the same internet?

Say I wanted to created two networks. One for the more privileged group of people. The restrictions on this network would be less severe. Then the other network would be for the "guests" or those ...
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1answer
88 views

Connected Gigabit switches with 100 Mbit devices

I need a network with two unmanaged switches. Each switch will have two, 100BaseT devices attached. 100Base devices on one switch communicate with devices connected to the other switch. If I ...
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2answers
107 views

Control communication flow between devices on a network

For simplicity, let's say my network looks like this: [Internet/Modem] | [Standard home wi-fi Router] | [Windows/Mac PCs] ...
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2answers
270 views

Cisco Catalyst 2950 Console to DB-9 female to USB Linux

My dad has given me a secureworks iSensor with centOS, 3 ethernet cisco catalyst switches and a the wires needed to connect them. I am trying to connect several computers via ssh, and eventually a ...
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1answer
315 views

Modem not able to easily establish broadband connection. Takes several restarts

I had asked similar question here. But instead of reviving it, I thought I would post a new question with additional details. The issue is establishing broadband connection initially. I have a DSL ...
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1answer
122 views

Are there any unmanaged gigabit switches available without indicator LEDs? [closed]

I need to put a switch into my home theatre stack and am looking for something without blinking indicator LEDs. I’ve debated taping over them but that looks ghetto and actually requires some precision ...
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3answers
440 views

How to add an additional ethernet jack in a room already wired?

I have a router and switch in the basement and have set up ethernet jacks here and there on the first floor. During some remodeling, I had an electrician pull Cat6 cable up to my 2nd floor. Now I ...
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1answer
167 views

Ever have bad voltage on an ethernet jack on a router/switch?

So I've got a bit of an odd problem I'm trying to solve. I have an ASUS RT-N66U router which has a desktop, xbox, and my brand new NAS directly wired into it. Whenever I hook the brand new NAS up ...
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1answer
452 views

Setup Switch HP 1810-8G - Internet connection with several VLANs

I'm newby to this, indulge me. We bought a new HP switch with VLAN. The goal is to have two separate VLANs. The first port is for the router/internet connection. I've two groups ( A, B ) using the ...
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2answers
68 views

How do I manage two internet lines going into one router at home? [closed]

I have a normal home WiFi network with some 10-15 devices connected. I have one regular use 2Mbps ADSL internet source and one high-speed 50Mbps cable line. I don't need to use both simultaneously, as ...
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0answers
20 views

Is there any way to persist the usage stats of a router even if it reboots due to power failure?

I have a router (Tp-Link WR841N) for home use. I need to be aware of how much bandwidth is used in a particular time period(for example- a month) to avoid data caps applied by ISP. I can monitor my ...
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1answer
41 views

Router and Switch MAC Address

There is a MAC address for each router and switch interface. But, is there a MAC address that represents the whole device?
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4answers
202 views

Networking, Switches, and Running Cables

I have a three floor home with the basement about to be finished. Here is my issue: I want a hard line to the basement as my wifi doesn't quite get there, and the basement will be the new ...
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3answers
10k views

Can I use a ethernet splitter to connect a router to two devices? [duplicate]

I have a portable mini wireless router with different functions (AP/Client/Router). Can I use a ethernet splitter to give internet access to two devices? The router only has a ethernet port and ...
0
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1answer
69 views

Tagging VLAN1 on a switch

I have a Nortel switch which dates back to 2006. It has an egress tagging function which I think tags all VLANs including native VLAN1. This is my scenario: I plugged my laptop into that port which ...
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1answer
291 views

Why does our Netgear FS105 Port Splitter no longer work at our new apartment?

I have a Netgear FS105 5-way port splitter for splitting an internet connection from a router. At our previous apartment, the combination of a router hooked to our Time Warner Cable Coaxial internet ...
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1answer
49 views

No ethernet link with certain combination of devices and cables

I have a problem that seems odd to me. I have a small patch panel in my home which is wired to various outlets. Until recently, I was running my router (an Asus RT-N66U) near the panel but am now ...
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2answers
1k views

Applications continue to use original audio device, even though I selected a different default audio device

Problem example: Default Audio Device is my Headset. ITunes playback through headset. I switch Default Audio Device to Monitor. ITunes continues playback through headset. This happens visa versa ...
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0answers
647 views

How to connect switch to a patch panel

I have a 24-port patch panel that connects Cat6 cables throughout my house. Out of these, only 12 ports are connected at the moment. I am in the process of setting up my home network and looking at ...
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1answer
178 views

Split a LAN with a low-end router

I've a normal LAN, connected to Internet through a DSL router, with private local IPs 192.168.1.1/24. Now I would like to use a low-end router (like a commercial Zyxel) to split the LAN in two, ...
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2answers
1k views

Daisy chaining PoE switches for IP security camera system

I have a fairly large (for me) security camera system to install and the cost of cabling is keeping this project cost prohibitive. I'll outline what I'd like to do, and welcome comments on the ...
3
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1answer
276 views

How hop count in a local area network works?

I have a network laid out similar to this: Router A (LAN Port) -> Switch -> Router B (WAN Port) A PC is connected to the LAN side of each router. PC 1 is on Router A, PC 2 is on Router B. IP ...
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1answer
124 views

Managed USB Switch [closed]

We have 4 computers controlled by an KVM-over-IP switch, so we can remotely control the keyboard and the mouse and can see the screens. Now, we need to connect an usb flash device to that computers - ...
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1answer
67 views

Does router have ability of port mirroring?

I want to find how two device exchange packets and what information they send. For that task I decided to buy smart switch with ability of port mirroring. However I will use switch only for that ...
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1answer
69 views

Connect main (serving) PC to router or to switch in high traffic LAN?

I am restructuring my home network after finally upgrading my aging Linksys WRT54G router to an Asus RT-N66U. All desktop computers are gigabit ethernet wired connections utilizing multiple switches. ...
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1answer
1k views

Connect 4G router to multiple devices via Ethernet cable

I have a 4G router (Huawei e5172) with one LAN port (DHCP enabled). I need to connect 3 PCs and 1 wireless access point to this router via Ethernet so I got a 5-port Ethernet switch and connected it ...
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1answer
22 views

“Prioritize” traffic behind a switch to stay behind a switch

I have a few devices plugged into a Linksys SE2500 switch, which then plugged into an Airport Express (acting as a wireless bridge), which connects wirelessly to some Comcast modem/router. The ...