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

learn more… | top users | synonyms

0
votes
1answer
24 views

“Prioritize” traffic behind a switch to stay behind a switch

I have a few devices plugged into a Linksys SE2500 switch, which then plugged into an Airport Express (acting as a wireless bridge), which connects wirelessly to some Comcast modem/router. The ...
2
votes
1answer
716 views

Should I purchase a switch, a hub, or a router?

I have just installed a Motorola SURFboard SBG901 cable modem, and I can connect two computers I have to the Internet via Wifi. I'd like to distribute the Internet connection among some other machines ...
0
votes
1answer
1k views

Giving a switch an IP Address so I can telnet into it

Right, so I've just reloaded my switch resetting the to complete default configuration. It's a Cisco Catalyst 3560. What I am trying to achieve is this: Giving the switch an IP Address, then telnet to ...
2
votes
1answer
149 views

Modem+Router+Switch+Router connection in a LAN

What I am trying to do: I have 2000 users in a region. I have one modem and from that I connect a router now router can only grant access to the IPs between 192.168.0.1-255 BUT my users are 2000 what ...
0
votes
1answer
2k views

Switch with NAT/port forwarding?

I'm sorry for this basic question, but I'm stuck. I'm looking for some networking equipment that allows me to route WAN traffic (internet) to a client on a local LAN based on TCP/UDP port. That is, ...
1
vote
3answers
722 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, I'...
0
votes
4answers
133 views

Would a switch be covered by a router's firewall

I need more Ethernet ports on my home network. Sadly, we already have an old router connected to the main router and we still need more ports. Would the devices connected to the switch be "protected"...
0
votes
2answers
266 views

I have split my PPPoE connection with an Ethernet switch and now I am getting the same speed in both PC simultaneously. why is that?

Not that I am complaining or anything, its just that I am overwhelmed! I have a PC and a laptop and a Netgear 5 port Fast Ethernet Switch. I connected both of my computers to the switch and started ...
0
votes
1answer
953 views

SATA Switch Drive

So I recently acquired an SATA Switch Drive ... http://www.amazon.com/Drive-Switch-Controller-Orico-HD-PW6101/dp/B005NVV2GC Now the problem I'm wondering is that is not compatible with the SATA ...
0
votes
1answer
246 views

Wireless receiver and Ethernet switch?

Is there a device that can pick the router wireless signal and allow LAN connection between two computers by itself? I want to use Steam In-Home streaming without having a large Ethernet cable ...
0
votes
1answer
40 views

How to route local traffic over switch?

I'm just cabled up at home but haven't got any way of verifying that gigabit speed can be reached. As I've only got one laptop with one network card, one cable, and one switch, I'm kind of stuck. I'm ...
2
votes
2answers
687 views

Computer causes internet loss on other devices

I have a switch that is directly connected to my modem. attached to this switch are a computer, PS3, PS4 and a NAS. They all have been assigned static IP addresses. My problem is the following: ...
1
vote
1answer
853 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 ...
0
votes
2answers
118 views

How to create a home network over a wide area [closed]

I am trying to design a flexible and "future-ready" home network for our 3-story, 5-room townhouse, with a 4-port ethernet wall plate in each room, using one of the ports in each room as an input and ...
0
votes
1answer
341 views

Network connection to server lost, but not to internet

I have a network with four computers, each running Windows 7. All of them are connected to a central switch. My problem is that the internal network connection is lost very often, although internet ...
0
votes
1answer
92 views

Can i join one server with multiple ethernet wires to switches

I saw one video where the user has one 100mb switch and other Giagbit switch. Then he has his all servers first network card connected to 100mb switch and second to the Gigabit switch he says that ...
0
votes
2answers
3k views

Odd behavior with Airport Express connected to existing network

At my business I have set up a network to accommodate both wired and wireless connections. My setup includes a Motorola Surfboard SB6141 cable modem, an Ethernet switch, and two Airport Express ...
2
votes
3answers
10k views

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 ...
1
vote
0answers
40 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 ...
0
votes
1answer
226 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, ...
-1
votes
4answers
4k views

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 ...
0
votes
1answer
3k 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 ...
0
votes
1answer
112 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 ----...
8
votes
3answers
3k views

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 ...
0
votes
2answers
1k 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 ...
0
votes
0answers
192 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 ...
0
votes
2answers
40 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 ...
1
vote
1answer
95 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 ...
13
votes
1answer
14k 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 collisions....
0
votes
1answer
375 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: http://gyazo.com/...
0
votes
2answers
2k 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 ...
0
votes
0answers
42 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 ...
0
votes
1answer
227 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 ...
7
votes
1answer
378 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 ...
25
votes
2answers
21k 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 ...
0
votes
2answers
180 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 ...
0
votes
1answer
70 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 ...
1
vote
3answers
2k 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. ...
1
vote
1answer
4k 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 ...
0
votes
4answers
476 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 ...
0
votes
1answer
34 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 ...
3
votes
2answers
93 views

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 ...
1
vote
0answers
147 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 ...
6
votes
4answers
3k 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 ...
1
vote
0answers
8k 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 ...
1
vote
1answer
151 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 ...
0
votes
1answer
203 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 ...
0
votes
2answers
81 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 ...
0
votes
0answers
224 views

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 ...
1
vote
1answer
569 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 it?...