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

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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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15 views

why many soho routers use two chips [on hold]

There is an example below, the router has two chips inside it. A router internal diagram The CPU has two ethernet MAC. Without the switch chip, it can has a LAN and WAN to build up a portable AP. ...
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2answers
39 views

Physical LAN not working over switch, but wireless LAN is

I have connected two computers over a switch. The desktop computer is running Linux Mint 17.3 and the laptop windows 7. The Desktop only has an IPv6 address for the physical LAN. Laptop has both IPv4 ...
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1answer
19 views

How do I find the IP address of a managed switch?

I recently bought an Allied Telesyn AT9924T ethernet switch on eBay. I got a great deal on it, but now that I have it I can't seem to reset it or access the web interface. Apparently on this ...
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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 ...
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1answer
26 views

configure the interface on the cisco TenGigabitEthernet 3750E switch

I can help configure the interface on the cisco TenGigabitEthernet 3750E switch, the switch module recognizes me X2-10GB-SR, but not that brings interface configuration. Thanks,
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1answer
16 views

How to connect my base machine to the VM on hyper-v with virtual switch

Here I have a problem. I have two VM on hyper-v one is windows server and the other is RHEL. I want my base machine to connect with the virtual machines. On my base machine I don't have a network ...
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1answer
15 views

Port mirroring on HP 1820-8G (J9979A)

I have a HP 1820-8G switch [German website] with the latest J9979A firmware [HP] at the day of writing. I'm trying to set up port mirroring via the web admin UI. Whenever I add a source and press ...
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Switching Techniques - Vlan

Assume I have 3 switch connected to each other and port connected to each other are in trunking mode and sw1 have a user in vlan 10 and sw3 has a user in vlan 20. How can both user (which are in vlan ...
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8k views

Can I connect two routers to one switch?

I want to connect two routers to a switch which will then be connected to a modem. Now as far as I know a switch does not do network translation and this won't work with one IP address. So I bought ...
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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 ...
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13 views

USB switch refuses to switch when mouse is plugged in

I have a USB switch connecting my mouse and keyboard to two computers. The switch is a SIIG USB 2.0 switch 2-to-2 Here is the quickstart guide I bought a new mouse -- a Mionix Naos 7000, and now the ...
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1answer
24 views

subneting a small store

I have a friend with this small store/cyber and want to divide the network like this clients can only see other clients registers can see other registers admins can see everyone I currently have a ...
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1answer
68 views

Properly insert ethernet cable into RJ-45 wall port?

This has always puzzled me and made me wonder if there is a better way of accomplishing such a simple task. Many might have come across one variant of an Ethernet wall port with a plastic cover over ...
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1answer
17 views

How to read what a switch does in a motherboard block diagram

I have the basic understanding that a switch in a motherboard block diagram is suppose to show which ports/connections are usable at one time but I'm having trouble understanding the possible ...
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27 views

IGMP Proxy on Mikrotik

I have both Internet cable and a separate IPTV cable provided by ISP. Those two, along with 3 other room Cat5e cables are connected to Mikrotik hAP ac router. I know that in order to get the IPTV to ...
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19 views

Isolate wlan from lan using a switch

I have a small network of 5 devices. These devices are used by different family members. What I want to do is isolate the wlan from the lan. I looked at using a vlan but am concerned about hopping. ...
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13k views

Does All LAN Traffic Travel Through A Router

I have a very simple question: if I have a router (DHCP enabled - leasing IP addresses between 192.168.0.2 and 192.168.0.254) with a switch plugged in, and I plug two computers into the switch, will ...
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1answer
167 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 ...
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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 ...
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28 views

How to find the cause of my Packet Loss?

I am using Internet from my University. All rooms and offices are connected with Ethernet cable through many switches. Many times I have packet loss, I think one switch or modem is problematic. How to ...
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1answer
35 views

NAS setup to avoid going through 100Mbit router connection?

as I have hinted in the question, I have trouble reaching 1Gb/s speeds in my network. All used cables are CAT6 and all network switches are unmanaged 1Gbit switches. Using FreeNAS on my server, I am ...
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11 views

ARP table on sg500x-48 not showing everything

I have a sg500x-48 Cisco switch with 15 different machines/IP addresses connected to it. Nevertheless, ARP table shows only one entry, regardless of if I run 'show arp' through ssh or use WebGUI. ...
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1answer
14 views

Strange issues with AP and printers on network

i have a TpLink WA901ND using it as access point, connected to a simple 8 ports switch and one of these ports is connected to a network printer. My Access point has this class of ip: IP: 192.168.11....
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3answers
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Is the MAC address needed outside of the LAN?

I am learning about MAC and IP addresses and why we need to have both of them and not just one. Say I have the following network: Say PC 1 wants to send a packet to the Web Server. Now I understand ...
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4answers
84 views

Does a consumer Router have a Switch built into it?

I am learning about Networking, and based on what I have learned so far, this is how a LAN network is set up: So basically all of the computers and the Router are connected to the Switch. If a ...
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73 views

Is a Web Server also connected to a Switch?

Let's say that a computer inside of a LAN wants to request a webpage from a Web Server. I have drawn this scenario in the following image: So the request data will travel from the computer (for ...
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19 views

Network Setup for Intranet and Internet via two ISPs

I am planning on upgrading my current network setup, as I will be renting another completely separate line from a second ISP (to separate office and home). Whilst I do want to get internet from TCOM ...
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1answer
30 views

How can use One media convert to give internet connection to 4 houses?

Can I use one media converter to give internet access to 3 houses near my. My ISP saying he will be needing 2 media converts at each home with 8 port switch at each home. is it necessary? I mean can't ...
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1answer
17 views

How to remove redundant point from language switching?

I have 2 languages in my OS and I have 3 points when I click on language in tray: Sometimes when I switch language(ctrl+shift) I switch between rus(rus) and rus(us) and sometimes between rus(us) ...
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0answers
13 views

Share a server and a printer to different routers?

I have 2 different internet provider (#1, #2), both are connected to routers. On the router from provider #1 i got 1 server and 1 printer connected and i have acess to both (server, printer) since I'...
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26 views

How to Make a Portable Internet USB Device with Wifi Capability to Send all the data first to some particular device and then to other clients?

I have a portable internet USB device which can also throw wifi signals. All type of clients are usually connected to this device through wifi including PCs and Android devices. Is there any way that ...
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1answer
942 views

IPTV and NET over one cable - VLAN

My scenario: House with 2 floors. 1st floor equipment: ONT (fixed on this floor) - with four ports - three for IPTV and one for Internet Netgear Switch GS105E NAS (fixed) Computer (fixed) ...
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31 views

Wifi Router Netgear DG834N and switch Netgear GS108GE ProSafe Switch don't talk to each other

I own the hardware described in the title, a WiFi router and a switch. WiFi Router and switch and connected using a cable. From a laptop I can connect to WiFi network just fine and browse the internet....
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46 views

Invalid ARP received from GS724Tv4 ProSafe 24-port Gigabit Ethernet Smart Switch

The switch is configured with four ports (ports 9 - 12) for VLAN 114. Port 24 is configured as a trunk port used for uplink to a router. VLAN Status 114 B5-K05 VLAN 114 Static g9 - g12, g23 - ...
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1answer
138 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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14 views

I cant get VLAN tagging to work and I don't know why?

I have a pfsense router, an ubiquiti uap lite and a tplink sg105e switch. Well on my AP, I have 2 wifi networks. Home and guest. I set guest to have a VID of 30. Then I went onto the switch. I ...
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1answer
40 views

Will a router's DHCP/ARP table show a network switch?

My network setup: wan > pfsense router > switch > unifi AP Well I just got the switch. Brand new. I'm trying to set it up, but it's showing two IP addresses. The switch config utility says "IP ...
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48 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 -&...
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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....
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1answer
54 views

Linksys Router not connecting to internet through switch

I am setting up a new Linksys WRT610N router, and I connected it to my Apple Airport Extreme, and it connected to the internet perfectly. But I set up a Netgear GS108 switch, connected it to the modem,...
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4answers
43 views

Do all switches support VLAN tagging?

I want to buy a switch. I'm looking at one right now on Amazon. I also looked at the specs for the model but it doesnt mention anything about VLAN tagging. Does it just not support it?
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1answer
35 views

Will this setup cause a Bottleneck Connection / Speed issues?

I'll have one cat6 cable running from my router to a switch. That switch will then give internet and network access to 5+ devices. Will this cause a bottleneck / anything negative if all devices are ...
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22 views

Solutions for connecting two routers to a switch

I have an ADSL modem (bridge mode) that connects to a router for providing internet connection all over my place. Some days ago, I bought a dual-band router expecting to get less interference at 5 GHz ...
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1answer
33 views

How do I diagnose intermittent connection drops?

I'm continuously retrieving data from a remote sensor connected over Ethernet via a switch. I see that about twice per hour, the connection breaks down for a couple of seconds. I know that the remote ...
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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 ...
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4answers
3k views

Router cannot ping an IP-Camera attached to a switch

My router cannot ping an IP-Camera attached to a switch. Therefore I cannot reach this IP-Camera from over the internet using port forwarding. Other PCs can ping the IP-Camera within the network. ...
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27 views

Should my router bandwidth log “see” traffic between two devices on the same switch?

I am troubleshooting some networking issues. I have an Nvidia Shield TV connected to the same switch as a secondary router (in AP mode only, as the primary router is handling DHCP) with a connected ...
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2answers
56 views

Switch caused problems to the network

I used the TP-LINK 5-Port 10/100/1000Mbps Desktop Switch to replace an old switch and connect some devices in my network. After that, many computers had connectivity problems and in general the ...
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2answers
27 views

How does a switch's MAC layer behave when both nodes are at different speed and duplex

I have a network which is connected like this : PC1 | | (auto neg) | Switch1 | | (10 Mbps Half) | Switch2 | | (auto neg) | PC2 then everything works fine. Now I just want to know how does switches ...