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

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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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2k 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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464 views

Windows 8 on network and self-assigned IPs

Whenever I turn off my computer, my friend's computer (who is on the same network) loses Internet access and grabs a self-assigned IP, and the router stops reporting any computers connected to the ...
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1k views

Daisy chain two switches and one router

I'm trying to set up my home network but I have some connectivity issues with my switches. Basically the scheme is R <-> S1 <-> S2. The problem is that the two switches don't appear to be ...
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701 views

cannot connect to OpenWrt router via switch

(Copied from the OpenWrt forum, where it went from the visible pages without answer...) Dear all, a few days ago I set up a TP-Link TL-WR1043ND with OpenWrt Attitude Adjustment 12.09-rc1. The router ...
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160 views

Internet access dies on one of the computers in a home LAN a few minutes after rebooting the router

There is a desktop computer on my network that is giving me headaches right now. I have a fiber/LAN broadband access with a dedicated LAN port outlet in the wall. From there I have a Ethernet cable ...
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803 views

How can I log in my alteon2424?

I was given an old alteon 2424. Pluging a serial cable on the console port allows me to see it booting. I can choose at boot between 2 images in nvram by pressing ctrl o. Both images talk about ...
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2k views

WNDR3700 Router + Cisco SG200-08 + LACP + Dual Uplink

Background I have a storage server that has several virtual machine images stored on them. I would store them locally, but I have limited space on my desktop (using SSD storage). I would like to ...
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176 views

Gnome change virtual desktops by moving mouse to edge of the screen - Delay

In Gnome change virtual desktops by moving mouse to edge of the screen. is described how to switch virtual desktops by mouse. Is it posible to define delay after which vdestop is switched? ...
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21 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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93 views

When a computer wants to send a IP packet to another computer in the same network, how does it know the destination MAC address of that host?

I know that switches are better than hubs because they can forward an Ethernet frame exactly to the host that has that specific destination MAC address. However, when two computers communicate, they ...
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35 views

Ping Request Timeout when AP connected to the network

Currently I have Rv320 router connected to the internet e900 cisco Wi-fi router as Access Point conected with DD-WRT to the Rv320 Hp 1920 switch connected to the Rv320 The problem is that I'm ...
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69 views

Watchguard firewall with DHCP

I have a watchguard with the ip address of 192.168.1.254/24 (DHCP disabled) and all the user will get IP from Window 2008 DHCP Server [192.168.1.2 to 192.168.1.250] /24. Now I need to increase network ...
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61 views

Can I create a list of devices connected to switch using PING or some PING freeware

I'm hoping there is a way to list all devices connected to our switch/LAN, including all devices on different subnets, using PING command prompt command or some sort of PING freeware. I connected our ...
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51 views

Computer won't connect to network with auto-negotiate enabled

we just replaced our Netgear switch due to failure. The original and replacement were the exact same model: GS752TXS-100NAS with 48 gigabit ports. However, after the replacement was installed, one ...
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38 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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47 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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293 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 ...
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1k 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 ...
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719 views

How to connect switch to a patch panel

I have a 24-port patch panel that connects Cat6 cables throughout my house. Out of these, only 12 ports are connected at the moment. I am in the process of setting up my home network and looking at ...
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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 ...
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140 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 ...
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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 ...
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172 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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152 views

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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286 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 ...
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367 views

Setting WiFi Client gateway, ip address, subnet etc on linksys router

I have a linksys wireless router which I use is a switch, not an internet router, inside an office in an office building. We have certain settings we have to setup for every client computer in order ...
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552 views

Emulating a network switch as software on Linux

I am doing my project on network virtualization on cloud computing. I am going to implement a testbed for the cloud environment and measure the performance of cloud services in a virtualized network. ...
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10 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: ...
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12 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 ...
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23 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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9 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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20 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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24 views

Access to Private IP Addresses without exposing them on a network

I have 4 ethernet devices contained in one system. There are several systems connected on the ethernet network; I would like to use the exact same ip addresses internally with in each system. . I can ...
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15 views

TrendNet TEG-S16D port to Unifi AP freezes causing connectivity loss

I needed more ports so I upgraded from a TEG-S80DG to a TEG-S16D (unmanaged switch btw) and started encountering this problem. The port which is connected to a Unifi AP is "freezing" causing all ...
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33 views

Cannot ssh from host to guest os in Virtual Box

I have a windows machine with virtual box installed. I have ubuntu VM within the virtual box. If I setup my vm's network to use NAT, and setup port forwarding to forward from my localhost to the ...
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34 views

Guest Wireless Network via VLAN configuation issues

I am attempting to set-up a guest WiFi network on a Netgear WAC720 access point. This is only a lab set up for proof of concept. I am not 100% on the VLAN configuration, so I may be missing something. ...
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20 views

Layer 3 switch with ACL or firewall

I have a layer 3 switch with VLANs that have ACL, do I need to get firewall hardware or will ACL do? This is for a home network.
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30 views

How to fix blank screen in a VGA switcher?

I just now bought a Köning VGA switch (Model name:CMP-SWITCH51), for I can SWITCH between my monitor and my ps4. The first problem was, a out of range message, which came from my video card, but ...
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97 views

Host connected to Cisco 3750 L3 switch and 3825 router cannot connect to the internet

My environment consists of a Cisco WS-3750-24T-S L3 switch, a Cisco 3825 integrated services router, and a host connected to the switch. The host is a virtual machine in ESXi that is tagged as VLAN ...
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27 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 ...
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62 views

One-armed home router with cheap smart managed switch and cable modem?

My question is if such a setup would work: A cable modem, several LAN machines as well as the router/server (Linux box, with just 1 port) connect to a cheap smart managed switch such as the TP-Link ...
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47 views

Router not listing devices connected through POE switch

I have an ASUS RT AC66U and a TP-Link Archer C9 (AC1900) router. I have 4 cameras with static IP addresses connected through a POE switch. If I connect the POE switch to my TP-Link with its default ...
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45 views

Access local VM from an external device

I have a local VM that hosts my website. The private IPv4 address of the VM is 192.168.10.120/24; I can access the website both locally to the VM and on the main machine by typing 192.168.10.120:80 in ...
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14 views

AP doesn't work properly with D'link dgs switch

I purchased D'Link (dgs 1210 28 ) rack switch to connect 4 AP with a router temporary (Network will extend soon). After I plugged the Data server and the Router into the switch the lights became ...
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26 views

Route existing network connections to new location?

This is a home situation. Have 20 devices throughout the house wired into the basement into a HP gigabit switch (with support for 2 fiber connections). Switch also has my router/cable model plugged ...
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32 views

I FUBAR'd the IP, subnet, and VLAN settings. Now how to access managed switch?

I have a Dell powerconnect 2748. I think I have done messed it up though when setting it up because so far I have not been able to access the webconfig of the switch after I changed some settings I ...
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24 views

Turn Netgear FS108P into a hub

I have a PoE device that I power over a Netgear FS108P 10/100 switch. The PoE device communicates with a server and I need to debug the communication between the device and the server. I am running ...
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29 views

How setup guest VM networking to OpenVPN adapters under Win10?

Currently my desktop is running Win7 Enterprise connected to a Domain over 3 separate OpenVPN connections (multiple AD sites) using the SecurePoint OpenVPN client. This runs fine and also runs fine on ...
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26 views

Difference in unmanaged switches

I needed to split incoming ethernet from a Verzion FiOS ONT by using an unmanaged switch. I had a Netgear GS605 on hand so I decided to use it. The port I plugged the cable in from the ONT didn't even ...