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

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Cisco switch Link status Up, Protocol down

I just bought a Cisco 3750X switch and when I did a sh ip int brief command, I see that my TE1/1/1 interface (it's a 10G port) has status up but protocol down. Right now, this 10G port is connected ...
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I can't get router and switches configured properly for my home office network

I recently built a new detached garage, with an office above. As such I had it tied into my existing home Ethernet wiring. The Ethernet signal is coming into the garage just fine, but I cannot get ...
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554 views

Expanding our home network

Currently we have a D-Link DI-524, which is a wireless router with 4 wired Ethernet ports, and an uplink port. The uplink port is plugged into the cable modem, and 2 of the 4 Ethernet ports have our ...
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60 views

USB switch for both data and power

I would like to make a switch for my USB cable. It's a microscope, so its data is important. Question is, in the "off" state, after disconnecting the two power cables, do I have to disconnect both ...
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32 views

How to connect network switch with ADSL broadband?

I have a ADSL broadband and I have connected two computers to that wired broadband using a network switch . But when I connect one computer to the internet and try to connect the other one , it does ...
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103 views

Static routing for static IP on a layer 3 switch

I'm trying to set a Layer 3 Switch (An HP v1910-48G) on my pension (we have around 30 computers). I've got a 6 IP range (4 IPs + 1 Gateway + 1 broadcast). I've created 3 VLANs: VLAN 001: It's a VLAN ...
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240 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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32 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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84 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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VLAN configuration

I'm trying to understand how VLAN works and how to configure VLAN in a switch and Linux box attached to it. Basically, I understood theoretically how a switch handles VLANs and trunking. Although, ...
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509 views

Where to place a port-mirroring switch for home network monitoring

I want to start monitoring traffic that goes in and out of my home network. I'd like to collect information like bandwidth usage and (specifically) HTTP requests from home computers to websites. From ...
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64 views

Why would a layer 3 switch ever need more switching capacity than all ports full-duplex?

I've read a few different places about switching capacity etc. From these items I've learned that in order for a switch to be non-blocking, the switching capacity of said switch must be double the ...
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118 views

Computer wont turn on immediately

Having an issue with my stack, I'll try to describe it as best I can. Was hoping for some advice from you kind people. I turn off my computer normally every time I shut it down, no programs running ...
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263 views

How does a switch forward two different IP addresses?

Comcast allows the home user to buy a second IP address. I bought a Cisco switch (I don't know whether it's Layer 2 or Layer 3) based on some advice I got. One port of the switch is connected to my ...
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293 views

Arp table on a multi switch vlan

Lets say I have multiple cisco switches that are all on the same VLAN. The question is: If I do "arp -a" on a pc that is connected to one of the switches. Do I get the Ip and Mac addresses of all ...
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112 views

Excel Lookup Not returning Proper Result

I have a simple lookup function, which I am using in place of a Switch Case statement. Following is what I am trying to accomplish: switch(F5){ case "apple": return "1"; break; ...
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1k views

Why does traffic between two computers on a switch still travel through my router?

After reading Does All LAN Traffic Travel Through A Router as well as my previous experience, I'm surprised that traffic between two Mac computers on a Gigabit 5-port switch (Netgear Model GS105) was ...
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33 views

FDN and Link LEDs on when computer is off

My computer is off, but the FDN and Link/Act lights are still on for its channel on my network switch. Is it affecting my network, because when my computer is off other devices on the switch lose ...
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105 views

Home Networking Issue with Switch

I have an Allied Telesyn 10/100Mbps Fast Ethernet Switch. Plugged in is the main line to port one, direct from my Comcast router, an IBM ThinkCentre 8143-28U to port two, an Xbox 360 "classic" (mfr ...
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643 views

Connection loss to random websites on LAN

I work in as an IT manager in an office where there are 10+ computers. What my question is that, a particular computer has a connection to some websites. The network setup is a LAN connected to a ...
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271 views

Why do I need a managed switch and which one should I buy?

I bought a 2nd router and I want both routers to have direct WAN access to the modem. One of the 2 routers directs VOIP traffic to a telephone line port. This VOIP service is provided by the cable ...
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104 views

Setup an inside network using a switch while connected to a wifi network

I've recently moved into my dorm at my new school. Everything is done via wifi but I would like to still have my own private network inside of my dorm (I have several computers). I went out and ...
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Resetting D-Link DGS-3324SR without console access?

I've gotten hold of a D-Link DGS-3324SR that's going to replace my old dumb switch at home. Problem is that the seller can't remember the passwords, and D-Link give me the backdoor account without ...
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338 views

hooking up a belkin USB switch

I'm trying to help my parents hook up a Belkin 4-Port USB switch (model F1U200V) to a couple of USB printers, however, Google hasn't been able to find a manual. a picture can befound at ...
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433 views

Clients can't obtain DHCP addresses, other machines get reset in network [closed]

When a new system is added to our network (i.e. we plug a machine into the network) DHCP seems to be doing some funky things. The new computer cannot obtain an IP address Something gets reset: All ...
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HP ProCurve 3500 - monitor bandwith usage

I would like to check the bandwith usage of a port. But I can't seem to find a show command that will let me do so. Any suggestions?
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406 views

How To Connect Internet Modem To 2 LAN Devices? [closed]

I have unresolved problem with router and modem, so can i do this with HUB or switch but not with router?
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885 views

Will a gigabit switch improve in-network transfer speeds without a gigabit router? [duplicate]

Possible Duplicate: Will using a 10/100 router stunt gigabit switch speeds for an internal network? I have a 10/100 router but am considering buying a gigabit switch to add to the network ...
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965 views

free Proxy switching software which will let me surf with different Proxies

I have seen many Questions on the super User regarding Proxy Switching But none of the software helped me. I have used Elite Proxy Switcher, Proxy Switcher Standard easy Hide Ip Hide Ip easy But ...
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How do I share internet with my Windows 7 laptop such that DHCP is off?

I basically want my Windows 7 Laptop to function as a switch. (like a router when DHCP is off). Instead of getting 192.x.x.x addresses, I want public IP address assigned to everyone who connects to ...
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Switch User in RedHat like XP

In our cluster, RedHat4 & 5 machines, if someone locks the computer and walks away no body can use it. Is there a feature in RedHat5, Gnome, KDE etc that would allow for the option of switching ...
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890 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. ...
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linksys wrt54g router to a Cisco router?

This may be a strange question but I have no clue. I currently have a basic linksys wrt54g router fo9r my home network. I am considering getting a rack/cabinet and running a home server or 2 and ...
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260 views

Is there a “spatial” window/application switcher? Ie. press win + left to switch to window left of current

Is anyone aware of a program which would let you switch windows simply by navigating it similar as you'd navigate a menu with keys, or similar to how Opera's spatial navigation works? Here's an ...
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261 views

Implication of variable context switching time

I know that constant switching time of the Linux scheduler was a big achievement. What would be the implication of a non-constant switching time? The only obvious reason I can think of is ...
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Does a true Star Topology exist?

In Mike Meyers A+ CompTIA book, he defines a star topology as a network where all units connect to some central wiring point - I image many units connected to a switch. He then goes on to say that a ...
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645 views

How to turn off power/signal on a laptop HDMI port? (It triggers HDMI switch)

I have a automatic/intelligent HDMI switch . Automatic in the way that it always switch to the latest input that receives signals. I have connected a laptop (Windows 7, ati 4670 with official ...
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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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165 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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444 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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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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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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399 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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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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519 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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860 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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Connecting local network using switch and router with just 2 interfaces

I need to connect a very small network (< 5 devices) to another network. The other network provides only a wireless AP. I was thinking about using an old Linux box with a wifi card and a single ...
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Vlan with multiple switches

I have an Asus rt-N66U with Tomato 1.28 115-EN. My goal is to separate wired and wireless traffic, so what I would like to do is attach this router with two HP 24 port managed switches. So I have ...
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VLANs setup via untagged hybrid ports on ProCurve switch?

Is this a path to set up VLANs in my small office with a hp V1910 series ProCurve switch? ... and what am I missing? The network is /24, so all IPs are in the same 192.168.0.X subnet. The switch is ...
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Force client to use specific Lan port to connect to server

Newbie question: I have a NAS box connected to my gigabit ethernet Switch, the same NAS box is also connected to a 100mbps router switch to connect to the internet. The client users are wirelessly ...