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

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530 views

Why is a router needed?

I‘ve been trying to figure out why a router is needed. I know a router can be used for DHCP and some other things, but I’m just thinking of networking with static IPs. So the following: Is it ...
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1answer
12 views

Can I connect a CM820 modem to a switch to get more ports?

I have an Arris Touchstone CM820 cable modem (DOCSIS), but it has only one RJ45 socket. Can I connect a switch to it (like TL-SF1005D for example) in order to have more internet ports?
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0answers
11 views

Netgear Prosafe GSM7248 Console problems

Hey all this is my first time dealing with a managed switch and i seem to be having issues with trying to log into the RS232 console on it. First thing i did was reset it back to factory defaults (i ...
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1answer
60 views

Sharing internet without wifi

How can I use the Internet on two computers when I only have one Ethernet cable connected to the switch in my hostels's server room which is further connected to central sever room which is further ...
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1answer
24 views

DNAT - cascaded switch

I am trying to allow a service through my firewall to BOX1 that cascades off my managed switch. NET<------ [Firewall WAN_Firewall LAN] ------> [Managed Switch]------> [Unmanaged Switch]--------> ...
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7 views

Can I use part of a KVM switch to share 1 monitor and 2 computers? One is PS2 one is USB

I have 2 computers. One uses PS2 connectors for the keyboard and mouse the other uses USB. I need access to both computers. I have a PS2 KVM switch that does not power up with just the monitor ...
1
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1answer
43 views

USB switch for both data and power

I would like to make a switch for my USB cable. It's a microscope, so its data is important. Question is, in the "off" state, after disconnecting the two power cables, do I have to disconnect both ...
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0answers
26 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 ...
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36 views

Can running two cat 5e cables mprove speed between two routers?

I have a cable modem downstairs, with 120mbs connection. I have a router upstairs, about 100ft of cat5e cable away. The data rate there is about 50mbs. I added an ethernet switch about halfway, and it ...
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0answers
48 views

Is it better to have 2x 48 port switches or 4x 24 port switches in a network?

Short questions Is it better to run a large local network through either : A) run all cables back to 2x connected 48 port ethernet switches (with STP (required by Sonos)). or B) Run 4 x 24 port ...
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1answer
46 views

How are network switches configured remotely when they have no IP address?

A network admin can configure a network switch by connecting devices like a keyboard and a monitor to it directly using physical ports available on the switch. Like routers i think the option of ...
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0answers
26 views

Connecting two routers with device accessibility behind home cable modem

I have three routers [the wireless modem gateway, a linksys device which is in only switch mode, and another Linksys router which is in bridge mode] I have this setup: [cable modem] -> switch ...
0
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1answer
56 views

Network setup issue

I have two internet connection - one broadband connection of 8 Mbps and a lease line of 4 Mbps and CISCO 24 port switch, new dlink 600L router. Currently both this sources are plugged in Sonic fire ...
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1answer
21 views

Connecting router as a switch [duplicate]

In a home LAN, I have connected one router A (which is also connected to the Internet) to router B but router B is supposed to work only as a switch (I am not using the WAN port in router B at all). ...
2
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1answer
72 views

What happens if a switch loses too many packets consistently?

I was just wondering what happens if a switch loses too many packets. The reason I am asking is because I have a switch that is constantly overloaded. This is caused by individuals downloading heavy ...
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1answer
97 views

Possible network loop with WiFi and Ethernet when docked

I have been seeing a weird problem that I can't reproduce on demand and have a suspicion on the root cause. The Issue: Intermittently the entire network goes down until I walk around and unplug ...
0
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2answers
44 views

Easiest way to get wifi if signal is too weak [duplicate]

I want to get wi-fi internet access on a smartphone in a certain place. I have a switch there, it is connected by a 20 meters long network cable to a wi-fi router, the router is connected to the ...
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0answers
22 views

Share 1 hdd to PC and PS3

I have HDD connected to PS3 via USB. Is there any device to allow connecting this HDD to computer also? My goal is to have this HDD connected to both PS3 and PC and then on PC there supposed to be ...
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1answer
39 views

Can I use crossover with a gigabit switch to play games over LAN?

I was wondering if it was possible to use a switch to play games that use a LAN connection with my family. I know that the game I want to play works with a standard Ethernet cable from one Intel NIC ...
0
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2answers
36 views

How are mac address shared between initiater and target?

If there is a successful TCP/IP connection between two servers in internet layer and the source address and destination mac addresses are attached to the TCP/IP packets, then how are the mac addresses ...
1
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1answer
135 views

Network Hub to Hub - no network

I've set up a home network using hubs. I know it's best to replace hubs with network switches however the hubs were donated and it's not feasible to buy network switches. The setup consists of a hub ...
0
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0answers
65 views

How do I connect my D-Link DIR-605L wireless router to my TP-Link TL-SG2424P PoE switch?

We connect to the Internet via our D-Link DIR-605L wireless router. We just bought a TP-Link TL-SG2424P PoE switch to power our new VoIP phones and connect them together. (Our wireless router will ...
0
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32 views

Switch to switch connection

4 servers with 8 Ethernet connections Will it affect Network speed if I Mount a 16 ports Gbit switch in rack and connect one Ethernet cable from that swith to main switch with 30 computers connected. ...
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1answer
30 views

Network bridge - how to use them

Does/Can network bridges bridge 2 different network segments (with 2 different network/subnet mask) ? Or all the segments must be long to the same subnet in order to communicate ? What are the ...
2
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0answers
84 views

internet traffic slow through switch; VOIP issues too

There's already a post about this, but the solution to that one didn't work for me, so here's my version: We have Cox cable internet, 100mbps | We have a Sonicwall TZ 215w | We have a netgear L2 ...
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1answer
85 views

VLAN: Cannot connect to internet via AP mode

I followed the guide at http://kb.netgear.com/app/answers/detail/a_id/8898 in order to setup a VLAN on my network. Currently, one port is on VLAN 10, all the rest are on the default. If I plug a ...
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2answers
70 views

How to extend or to divide a network? [closed]

I try to understand the difference between the Switch, Hub , Bridge , etc ... But I did not really happen. In the event that I wish to extend my network or divide, what material should I use exactly ...
0
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5answers
110 views

Do routers act like switches when devices are connected to it by Ethernet cables or not?

In my networking class I learned that routers send data to all computers on the network, compared to switches that send data only to the MAC address that is needed. My question is if devices are ...
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2answers
28 views

How to connect network switch with ADSL broadband?

I have a ADSL broadband and I have connected two computers to that wired broadband using a network switch . But when I connect one computer to the internet and try to connect the other one , it does ...
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1answer
64 views

What is the difference between these 2 twisted pairs?

I have two cables marked: BELDEN 1583e utp cat5e 4pr awg24 iso/iec 11801 en50173 ec verified 100 ohm 1002069 ESSENTIAL utp cat5e by nexans EC verified 4pr awg24 lu0306 Both connected to TL-SG108E ...
0
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1answer
33 views

How do I set netflow collector on CIsco SG220 switch?

This is the first cisco switch that I am dealing with at home. Older, more consumer friendly, switch had simple way to specify netflow collector. Where can I set it up on Cisco SG220?
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90 views

VLANs, routing and DHCP

I've got my home network up-and-running to an extent, but I'm trying to improve the setup. On top of this, I'm using it as an exercise to try and learn the ins-and-outs of slightly more complicated ...
0
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3answers
30 views

Is it possible to have different subnet for different VLAN in a L2switch?

While creating the VLAN in L2 switch, is it possible for us to have diffetrent subnet for each VLAN? and for inter VLAN comunication can we use router(L2 switch)?
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2answers
56 views

DHCP packets broadcast on all ports on a switch?

I would like to monitor DHCP packets on a clientPC connected to a 4 port switch/router. Will i be able to see DHCP packets sent or received on clients connected to other ports on this switch as well? ...
0
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1answer
31 views

Are the rating of switches the total bandwidth for all communication or between any two ports

Let's say I have 4 computers on a gigabit switch. Is the switch's gigabit rating the speed for all connections added up or the speed between any two computers? For example if computer 1 was ...
1
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1answer
85 views

Static routing for static IP on a layer 3 switch

I'm trying to set a Layer 3 Switch (An HP v1910-48G) on my pension (we have around 30 computers). I've got a 6 IP range (4 IPs + 1 Gateway + 1 broadcast). I've created 3 VLANs: VLAN 001: It's a VLAN ...
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1answer
27 views

Switch connected to router. How to deal with port forwarding?

I have a dsl router which a 8 port switch is connected to it. If I connect computers to the switch how would I manage port forwarding in this setup? is it possible? would it be recommended in a ...
2
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1answer
268 views

Is 802.3az / EEE important for a network switch for structured cabling?

Please note: I am not asking for specific product reccomendations. I am in the process of expanding wired ethernet cabling in a building during a remodel. I currently have about 20 runs of CAT6a to ...
0
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0answers
74 views

UDP not forwarded through switch

I have a switch D-Link DGS-1210 with 52 ports. There is a device connected to the switch that shall be updated. The update requires a TFTP transfer between my PC and the device. Unfortunately the ...
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0answers
44 views

Connecting Router to A Switch

The reason I want to do this is because my school does not allow router to be set up in my dormitory. When I connect using a router the internet works just fine, but randomly it will disconnects (or ...
0
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0answers
55 views

ACL inter-vlan routing

I need to configure access control list on layer 3 switches for a some school's: Now the PC's from one classroom can access the PC's from the other classroom. How can I configure that they only can ...
0
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0answers
49 views

Trouble With Network - Apple Time Capsule & Cisco SG-300-10P

How can I setup my network to allow access to devices connected to the Cisco SG300-10P switch from my Apple Time Capsule? My current network setup Comcast Modem / Router --> Cisco SG300-10P ...
0
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0answers
57 views

How to work with DSCP values on a ( D-link dgs-1210-48)

I want to configure QoS on a D-link dgs-1210-48. The current configuration is that all values are low except the DSCP values 40 up to 46 It looks like this but only on my configuration the values 40 ...
0
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1answer
65 views

8 port router or 3 port router with 5 port switch

I just recently got my condo wired with 6 Ethernet ports. I was wondering is there any performance difference if I were to get either just an 8 port router and just connect everything to it vs if I ...
-1
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1answer
62 views

topology for an unmanaged switch (firewall)

I'm considering an unmanaged switch. My understanding is that many of these devices explicitly lack a firewall. In that case, what do you use as a firewall? I suppose one option would be to use a ...
0
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1answer
43 views

Question about subnetting with switch

I have a setup which includes desktop pc, server pc(would also act as router), raspberry pi and ethernet switch (and possibly other devices if I get new switch). I would like to know if this ...
0
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1answer
24 views

Poor throughput to the internet but just fine locally.

I have a router (Linksys E4200) connected to the internet (via external modem) and connected to a Powerline (AV500) device. I have 2 computers connected as follows: Modem <-- 1GbE --> Router ...
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1answer
96 views

Setup Help with multiple routers

I'm trying to expand the wireless network in my church and am having some issues. I'm not a networking expert so I'd appreciate some input. Here's our setup: AT&T/Motorola Gateway (NVG589) ...
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0answers
529 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 ...
0
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0answers
87 views

Verizon FiOS loses IP when multiple devices are connected via a switch

From my Internet router (Verizon FiOS) I have a cat 6 line that connects to an upstairs 8 port switch. From that switch, I’ve connected my Yamaha receiver and TV. This has worked for several years. ...