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

learn more… | top users | synonyms

0
votes
1answer
142 views

all-in-one device which “fax over modem” and ISDN connection

I want to be able to send faxes using a certain all-in-one device, which has functionality to send them using a modem. It means the device doesn't have fax itself, but it scans the PC for a modem to ...
0
votes
1answer
79 views

Looking for app to switch windows on a timed basis

I'm looking for a peice of software or function of Windows (7/2008 R2) which would change the maximised window every X mins. So you would have one windows open for X mins, then it would switch to ...
0
votes
3answers
267 views

Is there no such thing as a Gigabit switch? [closed]

According to the manufacturer specification, even my rather plain desktop computer has "Gigabit Ethernet". So when I want to copy large files over the LAN (not Internet) it would make sense to have a ...
2
votes
3answers
10k views

My first home network setup with a wireless router and switch

I just got a Linksys SRW224G4 switch (24 10/100, 4 10/100/1000) I already have a Linksys WRT54GS router. (I know it's old, but it works) My problem is that well, I have no idea what I'm doing. I ...
2
votes
0answers
1k views

WNDR3700 Router + Cisco SG200-08 + LACP + Dual Uplink

Background I have a storage server that has several virtual machine images stored on them. I would store them locally, but I have limited space on my desktop (using SSD storage). I would like to ...
0
votes
1answer
56 views

Networking Setup and Configuration

I have a Router, Modem, Switch, and a Switch. Firewall: FVS338 Switch: FS762T What I would like to do is the following: Modem <----> Firewall <---> | ...
0
votes
1answer
328 views

Voltage range of a PoE Plus switch

I have a WiFi module until now I supplied through a PoE injector. According to the documentation the WiFi module voltage requirement is the following: 12V Passive PoE (accept up to 22V). I also have ...
1
vote
4answers
160 views

Connecting to router, some devices get good speeds, others get awful speeds

I have a strange problem. I got Virgin 30MB broadband installed yesterday (its been over 24 hours since it was activated) FYI I am in the United Kingdom. My home network goes like this: Item ...
3
votes
3answers
1k views

Can I share my usb keyboard between two computers

I love my Filco keyboard, I use it as primary keyboard for my Lenovo thinkpad all time. Now Im moving into the mac world and wonder: is it possible to split my USB keyboard between two USB ports, ie ...
5
votes
2answers
3k views

Can I connect a PC to a PoE switch?

I have a switch with Power over Ethernet capabilities. Is it allowed to connect a PC to a PoE switch?
0
votes
3answers
3k views

Issue setting up VLANs on Netgear switch

I am trying to set up a VLAN on my Netgear switch (GS105E). I want to create two separate networks and I want both of them have internet access. My setup is modem connected to router ...
1
vote
3answers
898 views

How to tell a router from a switch/hub?

I recently got a ADSL modem with Ethernet ports for providing Internet to more than one client, So how can i tell my ADSL modem is acting as a switch ,router or hub. The function that I have noticed ...
0
votes
1answer
355 views

Linksys WRT54GC wireless connection doesn't work

I Have a Linksys WRT54GC router which I use as a switch. Recently I have been able to connect to the wireless connection, but I can't access the router or the internet. Computers that are using it as ...
1
vote
2answers
1k views

Can I use an old netbook as a switch/router replacement?

My current WiFi router broke, so I thought, why spend another $50 on a new one when I can make use of my old netbook? I have an old EEEPC-701 4G that has a pretty nice Atheros wireless radio. ...
1
vote
3answers
640 views

Can a gigabit switch's performance degrade over time?

I have this Netgear 5-port gigabit switch. You know, one of those rounded white models. Well, it worked well in combination with a Netgear DSL router for a few years. The network topology is ...
0
votes
0answers
185 views

Hide initial buffer list in Emacs' iswitchb-mode

How can I configure iswitchb-mode so that it does not display the list of all (matching) buffers until I hit TAB for the first time?
4
votes
2answers
555 views

Should I wire directly to the basement for ethernet, or have a switch connected to another switch?

I have a project where I'm wiring my home for ethernet. I have four bedrooms upstairs, all of which are getting two ethernet connections each, and then a few rooms downstairs as well. I was thinking ...
3
votes
2answers
202 views

What can you use three ethernet ports for on a firewall/router?

What is the purpose of having 3 Ethernet ports on a router/firewall like this one: http://store.netgate.com/Netgate-m1n1wall-2D3-2D13-Red-P218C83.aspx vs. just having 2 like this: ...
2
votes
2answers
989 views

Will two 1000BASE-T devices always run at gigabit speeds when connected to the same 1000BASE-T switch?

Right now I'm running a simple network in my apartment using a wired/wireless router that supports speeds up to 100BASE-T. I've got my desktop, printer, and NAS device connected directly to the router ...
0
votes
3answers
518 views

File copied over the network differs from original

Having moved quite large amount of data (~1TB) over the network from one storage to another, I noticed the file on target system differs from the original. Setup: PC (Windows 7 64) with Windows ...
1
vote
1answer
2k views

Where to plug in the PowerSwitch on an ASRock K7S41GX motherboard

I have an ASRock K7S41GX motherboard. I don't know where to plug in the power switch.
11
votes
3answers
9k views

Is chaining two switches different than connecting both switches directly to the router?

I am setting up the network for our small companies new office - I have about 20 computers upstairs and 20 down. There is a switch on each floor, the router is downstairs, and a cat5e cable running ...
1
vote
1answer
251 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 ...
4
votes
3answers
3k views

Cisco Router/Switch with MacBook Pro OSX Lion

What I have: MacBook Pro with OSX Lion Very old Cisco Router and Switch Two Crossover Cables (1 Cisco Console to Serial and 1 Cisco Console to Cisco Console) One Serial to USB Cable I am very new ...
0
votes
1answer
501 views

What is 10G? Is my switch 10G?

What is 10Gactually ? I have a Cisco switch ( http://www.cisco.com/en/US/products/ps10898/prod_models_comparison.html) And it has 2xSFP interface and 10 x 10Base-T/100Base-TX/1000Base-T. ...
1
vote
3answers
108 views

Keep Computers Seperate On Same Network

I have about a Netgear WGR614 router and a few CentreCom FS708 switches. Is there a way to create a home network so every safe an secure computer can access the internet and another network where I ...
0
votes
0answers
189 views

Internal network speed deterioration

I am having internal network speed issues on my network. The Server (Windows 2008 R2) has two network cards. One provides 802.1x authentication to the outside world. The second, shares this using ICS ...
0
votes
2answers
269 views

Using MAC address prefix AB:CD:EF

I'm trying to use tcprewrite to change the source MAC address of some packets. I deliberately chose the prefix AB:CD:EF that does not belong to any hardware manufacturer so that I can distinguish such ...
3
votes
2answers
20k views

What is the difference between Layer 2 and Layer 3 broadcasts?

As written in the title my first question is, what's the difference between Layer 2 and Layer 3 broadcasts? If a host sends a layer 2 broadcast, the switch sends it to all of his ports, but not to ...
0
votes
3answers
536 views

Small home network cabling/routing/switching advice

Coming into my home, have a modem connected to an allegedly 20mb broadband connection. The modem has a single ethernet output. At present, I have it wired into a WRT54G 1.1 10/100 router with 4 ports ...
2
votes
6answers
452 views

On a switched network, why do unicast packets not addressed to me reach my NIC when I'm in promiscuous mode?

When I'm connected to a switch, the switch knows which MAC address belongs to which port. So even when I'm in promiscuous mode, why do I receive unicast packets that are addressed to other MAC ...
0
votes
3answers
3k views

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 ...
0
votes
1answer
362 views

Understanding ip-Address Switching (Selenium/Watir)

Thx for your time, appreciated. Facts: I am customer of a ISP (cablecom.com). My PC is connected with my ISP's Modem to the internet. The ip-addresses my ISP provides are non-static I want to ...
-2
votes
1answer
156 views

Is it possible to make laptop turn off on mouse click?

I want somehow to have an extra turn off functionality on the laptop. Therefore, I am asking the question how to turn off the laptop from an external source (ex. Mouse click). I have seen some ...
1
vote
1answer
283 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 ...
3
votes
2answers
9k views

How do I find the addresses of other HP switches in my network?

I'm trying to find the IP of a switch, in order to set it to factory defaults. I heard there's a command for HP Switches to find all surrounding HP Switches. What is it?
0
votes
1answer
711 views

Password recovery of Brocade Silkworm 3200 fibre switch

We have a Brocade Silkworm 3200 fibre switch that we can not locate the administrator password. Is there a way to reset this, or is there a default ID that we can use to gain access to the device? ...
2
votes
2answers
1k views

Will connecting a router to a port on a switch slow down internet connection?

I plan on connecting a router (disabling DHCP) to a free port on a switch because i've run out of ports and I need 3 or 4 more. I have an extra router and this seems to be an OK solution. My ...
0
votes
1answer
233 views

One Netgear GS716T switch port, connected to an HP CLJ 2605dn printer, triggers SNMP down/up traps every few minutes

All the other ports on the switch are fine. I've tried moving it to a different port and it does the same thing. I've looked into power management settings and there are none for this printer. The ...
1
vote
1answer
959 views

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?
2
votes
1answer
167 views

If you connect two switches and the network goes offline, will there be any problems afterwards?

In our office, an engineer accidentally connected a LAN cable from CISCO Catalyst switches to Alcatel switches. Suddenly the whole end user network went offline. When the engineer unplugged the cable, ...
0
votes
2answers
5k 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 ...
2
votes
1answer
764 views

How to switch GPUs without using the tray app of Power Manager (Lenovo T500)

So.. the laptop got two GPUs. Intel and ATI. I can switch by opening the tray app, and choosing the VGA. However, it's got a "non-standard" size, it makes my tray look weird. Is it possible ...
0
votes
0answers
74 views

Graphics card array to output array - use switch?

I have 3 graphics cards in my Ubuntu 10.04 server machine. I also have 7 monitors. I would like to take an input (a media file), play it on one of the graphics cards, and then be able to ...
1
vote
2answers
140 views

Cannot 'see' ethernet switch from web browser

I have installed my modem/router as a default gateway with IP 192.168.0.1, and then attached a multi-port switch to it. My two computers are then attached to the switch. How can I get to the switch ...
1
vote
1answer
366 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?
0
votes
3answers
325 views

Switching keyboard/mouse/ethernet between two computers

At work, there are two computers side by side that share the same mouse/keyboard/internet cable (luckily the monitor has two cable inputs). We have to keep on switching these wires whenever we want to ...
9
votes
2answers
200 views

Gateway / Switch hybrid

Next week I'm getting a new internet connection installed. It comes with 5 static IP addresses by default. Now, I would like to use some of these IPs on my systems. However, I have more than 5 ...
1
vote
2answers
300 views

Connecting a switch through a router

I have a router connected to my cable modem. Then I have a switch connected to that router. I have computers connected to the switch. When I look at the list of connected devices on the routers ...
2
votes
3answers
4k views

routing to a computer on a switch behind a router?

Here is the setup: Cable Modem -> Vonage "Router" (not really sure if it is a full router or not) -> Linksys Router -> Netgear Switch -> PC When I had the PC connected directly to the router I could ...