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

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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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3answers
31 views

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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2answers
340 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 ...
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3answers
12k views

Can I split one ethernet line coming out of my wall into multiple separate lines?

Hi all and thanks in advance. I'll start with some background. I live in an apartment which provides internet service included in the rent. They use company called pavlov for the internet ...
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2answers
6k views

Can ping device from one computer and not the other

I've recently been assigned to work on a diagnostic program done in C++ which communicates with a piece of electronic equipment. Our normal scenario involves communicating via an RS232 interface, but ...
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4answers
2k views

2 WAN to LAN, What router do I need?

I did CCNA a long, long time ago at school, and now I need to use it. But as you know, you forget things quite easily when not using them. :P Ok, I need a router that is able to be connected to 2 WAN ...
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1answer
35 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
23 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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2answers
7k views

Is there a switch that will connect directly to my modem and allow my router to serve only as a WiFi connection?

Details Devices Internets -50Mbps Cable Internet Modem - Motorola Surfboard Extreme Router - Netgear WNDR3700v3 Switch - D-Link DGS-1008G Wired Ethernet Cable - Cat6_24Awg_ Device Configuration - ...
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0answers
282 views

cannot connect to OpenWrt router via switch

(Copied from the OpenWrt forum, where it went from the visible pages without answer...) Dear all, a few days ago I set up a TP-Link TL-WR1043ND with OpenWrt Attitude Adjustment 12.09-rc1. The router ...
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18 views

Why does my managed switch report a short in my cable? Is it accurate?

I'm using a Dell PowerConnect 2824 and it has a built-in Marvell Virtual Cable Tester. Is it accurate? It's reporting "Short Cable" on many of my cables that are working perfectly. However, two new ...
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36 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
43 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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2answers
64 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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4answers
61 views

Would a switch be covered by a router's firewall

I need more Ethernet ports on my home network. Sadly, we already have an old router connected to the main router and we still need more ports. Would the devices connected to the switch be ...
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16 views

(Un)managed switches (R)ARP tables size?

The question in short : What is the address storage capacity of (un)managed switches nowadays ? Or does it not matter anymore ? Question in long : I remember that back in 2005 you had to make sure ...
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72 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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1answer
37 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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8answers
18k views

How to disable Windows system sounds - permanently - but not application sound

I prefer the sound scheme of Windows 7 HP to be set to "No Sounds" ALL the time. The problem is, when I switch themes, the themes switch sound schemes also. I know I can go in and disable/change to ...
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1answer
33 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
103 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
46 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
16 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
31 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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20 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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60 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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68 views

Cant get Vlan to work on tomato shibby (AP)

Im setting up a small network. The hardware used is: HP 4330s with pfsense( As a router ) -> Broadcasting vlan1000(Admin) and vlan1001(Guest) Zyxel gs1900-24e (Switch) Asus RT-N66U firmware replaced ...
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1answer
38 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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0answers
14 views

Where does the OS fetches the MAC address before encapsulating frames?

packet arrives from application->...Network->(IP encapsulation added here as per IP configuration)->goes down to Data Link Layer Here the Framing is Done and SourceMac and Dest Mac is added for LAN ...
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2answers
37 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
30 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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108 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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121 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
25 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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2answers
57 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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4answers
1k views

Internet Connection Sharing via Switch

i want to ask if is possible to share an internet connection via a switch. Two raspberry pi are connected to the switch and a windows laptop that is wirelessly connected to the internet. Is it ...
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4answers
60 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
26 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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17 views

where to place network switch now that wires are run?

I just had my house reno'd with about 1000' of CAT6 everywhere, for both internet and phone Currently, nothing but cables dangling from the walls, gathered in the basement I've never wired up a ...
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2answers
64 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
52 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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37 views

Computers connected to same switch cannot access one another

I've connected multiple computers to a ASUS 8-port switch (all have IP address in range, mask 255.255.255.0, and same gateway). I use them mainly to RDP into one of the computers, which acts as a ...
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1answer
47 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
217 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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235 views

random internet requests failing; advise on pinpointing exact cause requested

I've got this weird problem with our internet connection. At random times requests just fail. Usually with an error message that looks like "no response". Repeated attempts usually result in a correct ...
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35 views

Network interference from a PC wired into router/switch?

Is it possible for a desktop PC directly wired into a switch to have a bad ethernet port which causes problems for other devices wired into the switch? I noticed whenever one of our desktop PCs is ...
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2answers
54 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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1answer
45 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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2answers
872 views

Motherboard wiring

I am putting a new motherboard in a chenbro chasis and I dont get how to plugin the wires for powerSW resetSW, etc. It is a SuperMicro P4DP6 motherboard. The powerSW lead is a green and white wire. ...