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

learn more… | top users | synonyms

1
vote
3answers
414 views

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, ...
1
vote
1answer
447 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 ...
1
vote
1answer
58 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 ...
1
vote
1answer
110 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 ...
1
vote
2answers
234 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 ...
1
vote
1answer
273 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 ...
1
vote
1answer
110 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; ...
1
vote
1answer
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 ...
1
vote
1answer
32 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 ...
1
vote
1answer
100 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 ...
1
vote
2answers
622 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 ...
1
vote
1answer
259 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 ...
1
vote
1answer
103 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 ...
1
vote
2answers
1k views

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 ...
1
vote
1answer
326 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 ...
1
vote
3answers
10k 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 ...
1
vote
1answer
410 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 ...
1
vote
1answer
1k 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?
1
vote
1answer
402 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?
1
vote
1answer
879 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 ...
1
vote
1answer
952 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 ...
1
vote
3answers
2k views

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 ...
1
vote
2answers
1k views

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 ...
1
vote
2answers
883 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. ...
1
vote
2answers
1k views

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 ...
1
vote
1answer
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 ...
1
vote
1answer
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 ...
1
vote
0answers
24 views

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 ...
1
vote
0answers
442 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 ...
1
vote
0answers
50 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 ...
1
vote
2answers
130 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 ...
1
vote
1answer
304 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) ...
1
vote
2answers
33 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?
1
vote
0answers
139 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 ...
1
vote
1answer
370 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 ...
1
vote
2answers
57 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 ...
1
vote
1answer
259 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 ...
1
vote
0answers
483 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 ...
1
vote
2answers
725 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 ...
1
vote
0answers
37 views

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 ...
1
vote
0answers
106 views

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 ...
1
vote
1answer
98 views

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 ...
1
vote
1answer
289 views

cisco vlan: can a trunk port talk to an access port under the same vlan?

Let's say we have a trunk port A with native vlan 2, access port B with vlan 2. When A send an untagged frame to B, can B receive it? When A send a tagged frame with vlan id 2 to B, can B receive ...
1
vote
0answers
2k views

Wake-on-LAN stops working after a few hours

I have a Linux server (Ubuntu 12.04.03) which serves as the internet gateway for our LAN of about 15 PCs. That is, eth0 on the Linux server is the Internet, and eth1 plugs into an unmanaged switch (a ...
1
vote
0answers
147 views

Windows 8.1 Program switches to desktop

I've got some weird issue happening since I installed Windows 8.1 when it officially came out. Every day, approximately within 10 minutes after boot of the system, the program (in all cases so far ...
1
vote
0answers
118 views

Communication between VLANs

We have got a 16 port switch and is divided in 2 VLANS of 8 ports each: VLAN1 uses port 1-8 with network 192.168.10.0/24 VLAN2 uses port 9-16 with network 192.168.20.0/24 Computer A is connected ...
1
vote
1answer
2k views

Installing home wired network with multiple switches

I'm about to lay Gigabit network cabling in my new house. I want a wired network in almost every room of the house and some with several cables (i.e. living room with LAN for xbox/ps, video LAN cable ...
1
vote
1answer
133 views

How the switch decides destination is also on the same interface similar to that of source?

[Hello guys firstly this question I myself have migrated from stack exchange to here as networking related questions are not supposed to be asked there. So please don't mark as duplicate. I am the ...
1
vote
0answers
228 views

FTP from IP camera to server losing packets

I'm tryin to set up a number of IP cameras (D-link DCS-920 and DCS-930L) to send images by FTP to a server (Ubuntu server (10.04 I think)). The images are about 15KB each and currently I have 6 ...
1
vote
1answer
618 views

VLAN configuration for 2 gateways

I have a Cisco SG200-50 50 port switch and I want to configure it so there is one big LAN (all computers on the switch can see each other), but half the computers only see the first gateway, and half ...