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

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Switch or Router for LAN party?

I was wondering, if I want to play games with lots of my friends, without clogging up my house's router's connection (my grandma will be using it at the time), whether I should buy a network switch ...
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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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37 views

How can I connect to a router through a switched ethernet network?

I have a computer and a router connected at different positions to a switched ethernet network. I want to connect them as if I had plugged my computer directly into the router. As I understand it, ...
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9 views

Is it possible to use an optimum provided netgear WNDR3400 as an access point or switch?

I recently purchased an Asus RT-N56U gigabit router to replace the netgear WNDR3400 router provided to me by optimum, I had the idea to use the optimum router further down the line, in my room as an ...
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Internet Connection Sharing via Switch

i want to ask if is possible to share an internet connection via a switch. Two raspberry pi are connected to the switch and a windows laptop that is wirelessly connected to the internet. Is it ...
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29 views

How to connect two different network segments using a switch and a router?

We have a existing network setup where we have two D-Link switches,connected to each other. IPs are manually assigned in the range of 192.168.0.x on PCs directly and unassigned ones get IP from the ...
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19 views

How can i make the data transfer between esi server and computer faster on LAN

My LAN speed is very less. Even downloading from Internet is fater "1.5MBPS" and from LAN its 300KBPS. MY setup is like this Netgear wireless Router --------DESKTOP Netgar ------wireless bridge ...
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Can modern switches act like hubs?

I've been trying to find a hub, specifically for the packet broadcast characteristic. I'm troubleshooting a NAS behind a NAT router and want to look at the traffic arriving on the wire and this seems ...
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44 views

Connect 2 computers to internet (1 ip) via switch

How to connect 2 computers to internet with a switch if ISP gave me 1 IP? Obviously, if I set the same IP on both PCs, one of them will not connect. Both computers are running Windows 7 (but answers ...
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31 views

Port forwarding on a slave router

I'm having a little struggle with the situation below. First I'll explain the basic setup which used to work: Wireless 4-port LAN router from the internet company Static IP for an IP Camera NAT port ...
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27 views

Dual wifi router setup

Can I use a gigabit ethernet switch plugged into my cable modem and then plug two different wifi routers into the switch. I want to use my new high speed router to always go through my VPN and my old ...
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29 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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How can I change Graphics in Asus from Intel to nVidia?

Recently I had to change my OS and I reinstalled Windows 8, now I have a graphic issue! My laptop has 2 graphic cards: Intel 3000 HD (Onboard) GeForce nVidia 610M but now after changing ...
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126 views

What happens if an unmanaged ethernet switch is looped (connected to itself)?

I don't know much at all about networking, and I when I tried to find an answer to this online I found someone who posted a one sentence answer saying "It would cause lots of broadcasts and ...
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1answer
21 views

Checking RAM on a Cisco device

When you do the "show version" command on a Cisco networking device you get some basic software and hardware information, including the amount of RAM which is shown like this: ...
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46 views

Connecting a Cisco 3750E Switch using putty

I'm trying to connect to a Cisco 3570E switch through the console using putty. I have the following configurations on putty: Serial line: COM1 Speed: 9600 Data bits: 8 Stop bits: 1 Parity: None Flow ...
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23 views

Trying to connect two computers to a switch, but I get “cable unplugged” in the second one

I have a modem-router, and I connected a switch to it. Then I connected a machine running Fedora 20 to the switch, and it said "cable unplugged". Restarting various services didn't help. Then I ...
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1answer
28 views

Why do hubs and switches receive on pins 1 and 2 and transmit data through pins 3 and 6 of their cable?

Is there any reason they couldn't have been made to use the same pins as NICs and routers for transmitting and receiving? I had trouble finding any information about this through Google, so I hope you ...
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42 views

Two Devices, Same Subnet, No Communication

This is a stripped down version of my home network, and my problem is I can not get 192.168.20.100 to communicate with 192.168.20.4. The workstation pings both routers and the server fine, and ...
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235 views

Looking for a fiber optic “switch” or “router” for home use

The gist of my question: What is a "fiber optic" switch called? I.E. a layer 2 ethernet switch that uses fiber TX and RX connections and sends layer 2 network traffic between the fiber strands ...
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2answers
101 views

Will connecting two hubs with two cables help for performance?

I have two 1 GBit hubs and I wondering if connecting them with two network cables help for network performance? Here is example: I have switch A and B. I have 4 computers, A1 and A2 which are ...
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33 views

Would switching to this network setup help balance the load on my main router?

I currently am set up like this: My routers my second and third router are connected to the main via Static IPs outside the main router's DHCP range. Routers 2 and 3 have DHCP disabled (so the main ...
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74 views

How to communicate with devices that have the same IP address

I have a situation where I need to communicate via telnet to multiple devices that have the same IP address. The context is that I am writing a "final test" of devices in a manufacturing facility. ...
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1answer
96 views

How do I “manage” a HP ProCurve 1400-24G switch?

I'm confused about my switch. I bought it used so I only have the switch itself, no manuals. I've searched for documentation online and some sources say it's a "managed" switch while others don't ...
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54 views

Determinte Switch IP/Linux

i'm trying to determine the ip of the network switch several linux boxes are plugged into. Background: i need to know in which physical port they're plugged in, so the machines automatically detect ...
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22 views

read switches usually in while loop

I want to know the usage of read switches with some good examples. as instance I know about -t -s -p switches: -t: he -t option followed by a number of seconds provides an automatic timeout for the ...
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25 views

VLAN network configuration

I got a question about networking stuff :D ok my setup is a Summit24(SW1), a Summit48(SW2) and a BlackDiamond(BB) all switches are from extreme networks. In SW1 I set up a vlan with the Port 1 as ...
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What features to look for in a switch?

I work at a small engineering company and we run simulations on 3 different computers, which read and write a large number of files onto a 4th computer. I hadn't run the simulations in a while, and I ...
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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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170 views

Why doesn't it matter which ports I use on a switch?

The electrical engineer in me says "use any port" it doesn't matter. Gut instinct wants me to put the router's cable right in the middle. Ultimately, the router went to Port 1 at one end of the switch ...
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670 views

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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33 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 ...
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3com OfficeConnect 8 port switch freezes/crashes?

I have some old 3com OfficeConnect 8 port switches. I have two of them, switch A and switch B, connected together and some hosts connected to the ports of both switches. When I let a host on switch A ...
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49 views

Inter server connectivity getting lost after applying Cisco switch configuration

I have 2 Redhat servers in cluster. The eth0/eth2 ports on both servers are in bond0(which is assigned IP). The eth0 and eth2 from server1 are physically connected to giE0/3 on switch1 and 2 ...
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60 views

Turning an old router in to a swich

I'm playing with the idea of turning an old router which lying around in to a switch and attaching this to my current router. It's not so much because I need the extra ports, mainly because I am quite ...
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169.254.x.x with a switch connected to a CGN3 modem gateway?

I have a CGN3 modem (Rogers) connected to a TP Link switch. This was working for many months but it has stopped working. Now, PCs get assigned 169.254.x.x when the switch is connected. Connecting ...
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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 ...
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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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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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104 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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108 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 ...
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1answer
24 views

DHCP Request on non-primary VLAN forwarded through trunk port getting wrong vlan IP

I have two switches, one Netgear GS724T and one Cisco Catalyst 3560. They are both configured with VLAN 10 and VLAN 12 and the Cisco has a DHCP server running for each vlan in the ..12.x and ..10.x ...
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77 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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1answer
39 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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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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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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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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batch to telnet does not return to batch

Will run the first completely, show connection to host lost, then stop at cmd prompt and not execute the second, etc. Example: telnet login username enable password copy running-config tftp: exit ...