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

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Is the idea that a switch is a multiport bridge accurate?

I think there are at least 3 differences: switches don't allow multiple mac addresses belonging to each port Switches don't use the fast spanning tree and use different management mechanism switches ...
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What will happen if a bridge got a wrong mac record?

Let's say there is host H1, H2, switch S1 S2, and S3, bridge B1, B2. It is connected like this: H1 - S1 - B1 - S2 - B2 - S3, | H2 H2 is sending frames to H1. Then, ...
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465 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 ...
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2k views

Sharing internet from a Router to Switch

We have a TP-Link (TD-W8951ND) Modem Router : Internet Connection from BSNL, India. D-Link DES-1024D 24-Port Switch : 16 Computers connected and we have a local site running which will be accessed ...
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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 ...
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522 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 ...
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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 ...
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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 ...
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38 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)?
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204 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 ...
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332 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 ?
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42 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 ...
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142 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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102 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 ...
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2answers
339 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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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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169 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 ...
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1answer
35 views

Nano usablely open second file

Is it possible to open second file into Nano text editor not by browsing files in program interface (it's not so usable because you can't do nothing like search etc in it) but in command line or in mc ...
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3answers
478 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 ...
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1answer
370 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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178 views

How do I share internet wirelessly through my Mac with DHCP service turned off?

I basically want my Mac to work as a network switch so that I can share the internet from a wired connection wirelessly with no DHCP service. Is it possible?
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919 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 ...
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302 views

Repurposing old router as switch and/or AP causes other users to suffer increasingly horrible web page load times - is this normal/fixable?

I read through a number of threads regarding switches prior to posting this and couldn't seem to locate an answer. The setup: Time Warner Cable, to support their 50Mbps connection, provides an ARRIS ...
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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 ...
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599 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 ...
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671 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 ...
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3k 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 ...
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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 ...
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389 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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1answer
7k 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 ...
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367 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 ...
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Can't access the default gateway from my VMs using Hyper-V on a W8 Pro ASUS N76V

I just purchased a ASUS Notebook N76V. I first upgraded the OS to W8 Pro. I activated the Hyper-V feature. Everything runs fine. I can create virtual switches / Import VMs / Create new VMs / Boot my ...
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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 ...
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1answer
88 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 ...
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590 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 ...
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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 ...
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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 ...
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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 ...
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117 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 ...
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206 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 ...
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281 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 ...
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817 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) ...
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1answer
709 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 ...
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2answers
387 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 ...
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501 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 ...
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438 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 ...
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1answer
2k views

Home Networking: Connecting a switch to a router

I have the following network setup: EE Fibre going to a BT Infinity modem. EE Brightbox router, WAN port connected to the EE Modem. Port 1 connected to a Netgear Gigabit Switch 8 Port Netgear GS308 ...
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73 views

VLAN through switch

Is it possible to get vlan through a switch that doesn't support 802.1q (vlan tagging)? In my case I have a master switch (vlan supported) small switch (vlan unsupported) and wireless access point ...
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link (trunk )2 home switch together

Can i link two home switch (not professional like cisco) togeher in this way: router 1 -> switch 1 -> switch 2 router 1 -> switch 2 -> switch 1 I want that when switch 1 goes down i still have ...
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269 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 ...