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

learn more… | top users | synonyms

0
votes
0answers
367 views

Connect server through switch on local network

What I am trying to do is to connect two computers together through switch. First computer is with Win8 OS. Other is Ubuntu Server 12.04 OS (apache webserver). I am connecting them with LAN cable ...
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 ...
0
votes
1answer
407 views

How to send the IP of a router from another via dyndns?

I have a main ZyXEL router with integrated modem so it is connected to the ISP directly via ADSL. I have a DVR in LAN1 and I want to access it remotely via Internet. I configured everything, set the ...
4
votes
3answers
7k views

When connecting two switches, should I use normal switch ports or the SFP ports?

I have two 48 port gigabit Netgear switches with 2 SFP ports each (I also have two Mini-GBIC copper transceiver modules) Is it best to set the ports up by using the built in ports (i.e. plug port 1 ...
2
votes
2answers
1k views

Does a switch know the mac address of other port of a bridge?

Let's say we have switches A and B, they are connected by bridge C. Does A knows about the mac of nics connected to B? Is it true that every time when nic on A want to send a frame to nic on B, the ...
0
votes
1answer
44 views

Does a network bridge maintain the topo a bridged lan?

As the title suggest. Let's say we have switch A, B, C and A connect to B with bridge D, and B to C with E. A <--> D <--> B <--> E <--> C Does D know the mac of nics ...
-1
votes
1answer
35 views

How does an ADSL modem tell which local client to associate with each response from a server?

Does an ADSL modem generate a random string for each request I make and when response comes it directs it to my computer (but not to my phone)?
2
votes
6answers
737 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 ...
-5
votes
1answer
147 views

Connect a router to a switch to use wifi

My laptop is connected to a switch (more then 24 pc) with a wire. I would like to be able to use my laptop everywhere. I bought a wireless router (d-link) and connected the wire to the wan port, but ...
0
votes
2answers
256 views

What are OSI model layers! Are they tangible?

I know about all layers and their functions. BUT, how to interfere with/use them? I read that each layer adds its own data, are there 7 layers built into my router/switch ?
3
votes
2answers
14k 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
38 views

Is it possible to connect two uswitches using more than one cable?

In theory (I have not successfully tried it yet), you can bind two ethernet interfaces and make them act as one (sharing/balancing the load) in linux machines, (theoretically) doubling the speed. I ...
1
vote
1answer
115 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 ...
0
votes
0answers
85 views

how to connect to WAN through wireless network router

I'm currently using TL-WR841ND with firmware version V8_130506 to connect to internet using the setting in this picture by using a LAN wire provided by my ISP in my router's WAN Port: I have been ...
1
vote
2answers
251 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
0answers
153 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
2answers
325 views

What do I need to set up a basic “prosumer” or low-end enterprise level network?

I've gone through too many consumer routers (most recently it seems that a capacitor failed on my Netgear WNDR3700) and a friend suggested I look into Ubiquiti. I'm currently in a three floor ...
0
votes
1answer
174 views

Vlan config for switches

I am adding 4 HP switches into an environment with vlans. I need to separate 2 data networks and 1 voice network. I am rusty on the tagging, untagged and trunk needs. Each vlan will have its own ...
3
votes
3answers
796 views

Not sure how to find my switch?

newbie question, I'm afraid: I got a second hand (or maybe more) Cisco WS-C2948G switch off eBay for use at home, but the thing came with no documentation and no software. I'm not a sysadmin, and I ...
1
vote
1answer
283 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 ...
0
votes
1answer
399 views

How to share 1 monitor with 2 PCs

I have 1 monitor and 2 PCs. I would like to connect either PC via DVI cable with a single monitor. Does exists some DVI cable with 2 IN connector and 1 Output (monitor) with the possibility to switch ...
1
vote
1answer
680 views

Wireshark traffice capture- one subnet to another subnet

My setup is a computer with wireshark connected to switch on LAN network. The subnet IP that the wireshark is on is .0.# . I would like to capture traffic between subnet IP of .0.# and .2.#. However ...
0
votes
1answer
554 views

Network switch losing TCP packets between devices and a PC

I have a custom AVR microcontroller board that has a TCP/IP module (chip) for communication with PCs. My PC has a 4-port Gigabit Ethernet card. Each port is connected to an Ethernet switch HP ...
0
votes
3answers
2k views

How to connect pc through adsl router to cable modem

I have motorola cable modem with IP 192.168.100.1. It has DHCP in it switched on. To this modem is connected WIFI ADSL router EDIMAX through one of the four ethernet port. I read that I must turn off ...
1
vote
1answer
1k views

Do I get benefits of a gigabit switch with 100 Mbps modem?

We have an ADSL modem which has four 100 Mbps ports. In one of them we have a 20 port 100 Mbps switch where all the networking devices are currently connected. If I buy a gigabit switch and connect it ...
1
vote
0answers
120 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
2answers
633 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 ...
0
votes
1answer
524 views

ASUS RT-N10 router and a 8 port wireless switch to make a network of 10 PCs

I need to set up a 10 PC network for playing games and sharing files. We all use windows 7. I've heard that if I connect a switch to a port on the router and others to the computers then the ...
4
votes
4answers
922 views

Connect three computers (including one laptop) to one monitor

I have the following hardware: 2 Desktop PCs, running Windows XP and Ubuntu Macbook Pro a LCD monitor, a wired keyboard, and a wired mouse Currently, I'm using an oldish IOGear KVM switch to ...
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 ...
0
votes
2answers
1k views

Gigabit Ethernet switch under Megabit router

Suppose I am very poor, which I am, I can only afford a 10/100 router and a gigabit switch. If I am to connect everything under my router which runs at 10/100M, everything will of course runs at ...
0
votes
1answer
5k views

Connecting WNDR3700 Netgear router as a switch [duplicate]

I recently moved over to Verizon FIOS and I must use their router. So I want to try to use my old Netgear router as a switch (no wireless) for additional ports. I connected the main router into a LAN ...
2
votes
1answer
186 views

How to extend the number of ports on a Switch?

Consider that I need to connect 15 computers on different collision domains. I understand that each port on a switch has a separate collision domain. So, all I need to do is to connect 15 computers to ...
0
votes
3answers
2k views

Using a VLAN to isolate a device from network broadcasts

I have a device that needs to be isolated from broadcast traffic (excess broadcast traffic is causing the device to crash), but the web console on the device still needs to be accessible via a ...
0
votes
1answer
80 views

Wireless Router: layer 3 or layer 2 switching?

I have a wireless router installed at my home (provided by ISP). Scenario: Router IP: 192.168.1.1 My Machine IP (X): 192.168.1.2 IP of machine Y: 192.168.1.3 Now when I ping Y from my ...
2
votes
2answers
469 views

When does a router know to send a packet to the internet and not over LAN

Assuming a router has a built in switch which passes data packets to machines on the LAN based on the MAC address of all locally connected devices I want to know when and how (readying the packet for ...
0
votes
2answers
2k views

Gigabit switch in front of 100mbit router decrease maximum throughput for connected devices?

I have a router (ASUS WL-500G Premium running a modded Tomato) that has a 100mbps ethernet interface + wifi interface. I added a D-Link 8-port gigabit switch (DGS-1008G) because I want faster transfer ...
3
votes
3answers
2k 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 ...
2
votes
1answer
149 views

Internet access dies on one of the computers in a home LAN a few minutes after rebooting the router

There is a desktop computer on my network that is giving me headaches right now. I have a fiber/LAN broadband access with a dedicated LAN port outlet in the wall. From there I have a Ethernet cable ...
0
votes
0answers
345 views

How can I access the web GUI for the Trendnet TEG-160WS smart switch?

The management utility reports the switch at 192.168.0.1 but I get an error going to that IP in the browser and if I try to change the IP or enable DHCP in the utility the change is rejected. Windows ...
1
vote
1answer
134 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 ...
0
votes
0answers
106 views

Windows 7 shows “Network Cable Unpugged” If connected through IO port

I am facing a strange problem while connecting a new windows 7 machine (will be referred as machine A) to a dell switch. Here are few points to better understand my problem: When machine A is ...
0
votes
0answers
184 views

Weird packet dropping between two routers

My ISP provided me a hybrid DSL modem/router with a phone jack and 4 LAN ports. The DSL modem/router supports PPPoE passthrough, but it does not do PPPoE dialing. I also have a more powerful DD-WRT ...
0
votes
0answers
219 views

Can't connect to device behind switch

probably it's a very simple question, but I'm not a network expert. At home I have a modem router with WIFI + LAN (D-LINK DSL-2680), in another room I plugged a switch (Netgear GS208) and then ...
0
votes
2answers
15k views

Switching from Onboard intel to Nvidia Dedicated GPU

How can I switch from Intel onboard grpahics to Nvidia Dedicated GPU? When I go to windows screen resolution I see intel. I cant change it. I go to Device Manager, I see both Adapters are there and ...
3
votes
2answers
741 views

Throughput from devices on gigabit switch to gigabit router

I think this is a pretty simple question, but I wanted to either validate my thinking, or for someone to tell me I'm wrong. My router at home has 4 gigabit ports. So, obviously, each (supported) ...
0
votes
0answers
457 views

LAN connection not working for 100mbps half/full and auto for one particular LAN point

I use unlimited broadband internet connection through LAN provided by our internet provider, without any domestic router. Recently, I am not able to connect my ACER laptop to the net as a message ...
0
votes
1answer
613 views

How can i connect 2 PC with different subnets in 1 Switch in 1 Router

Well here is the problem...I want to connect 2 PC pc_1: 10.1.1.18/29 pc_2: 10.1.1.66/29 with 1 switch pc_1 -> Switch Fa0/1 pc_2 -> Switch Fa0/2 and this switch to a router ...
0
votes
1answer
345 views

OmniSwitch 6400 Port information

I'm trying to find out how can I know what equipament is connected to a specific port on a OmniSwitch 6400 Switch. Anyone knows if it's possible to know the IP and/or MAC Address of the equipamentos ...
2
votes
2answers
319 views

Regarding Home Network and Structured Panel

I have a question that maybe pretty simple for those who are little more adept at this. Recently, I've been wanting to get the Ethernet ports around my house (which was built last year) live. I have a ...