Questions tagged [switch]

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

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How to set jumbo frames on an unmanaged switch?

I'm using industrial cameras via the GigE interface. I just purchased a NETGEAR 8-port unmanaged PoE switch, specifically model number GS108LP. If I connect multiple cameras to the switch and then ...
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Can a VLAN be configured to function correctly even if there are unmanaged switches in the network?

Is it possible to configure individual ports on a managed switch to block specific VLAN traffic? I've been trying to read up on this but I haven't found a definitive answer yet. Our home network is ...
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Identifying Home Wifi Bottleneck

I'm trying to understand if I've got a bottleneck in my home network setup or if my expectations are off. Here's my situation: Xfinity Comcast is my internet provider and I'm paying for a 300 Mbps ...
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HP 1910-48G troubleshooting

I have acquired a old HP 1910-48G gigabit switch. I have been able to reset it to defaults and assign a IP to it. Using the web portal I have configured the rest. I use google wifi and then go into ...
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How to ssh into system connected to same network switch?

I have a few systems which are connected to the same network switch. All of them are running linux / Ubuntu 18. I want to remotely access one machine to another through ssh. That is, if I'm ...
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Switch between two routers (one used as acess point)

Setup This is the setup I have. My problem is there is no Internet on desktop. It can't get IP from router. Even if I manually configure it, still says unidentified network. DHCP is disabled on ...
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What to disable on my second router as switch?

I'm extending my network coverage to the basement and I took the dust off my old router and am now converting it to a network switch. Wireless will probably be turned off so that it only support wired ...
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2answers
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How to setup my building's networking with shared modem?

In my building we are sharing the internet connection. All of the occupants have an individual router in their unit. The first challenge is that we are 6 units but we have only a 5 ports router and 5 ...
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4answers
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Why do we need a router at home? [closed]

From about year 2000 to today, we usually have a router at home, be it Linksys router or TP-Link or Netgear router. But let's say if we have a Comcast or AT&T U-verse modem, doesn't that do the ...
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If a Linksys router is plugged into a cable modem, vs a switch is plugged into a cable modem, is there any difference?

Say in the old days when we have a cable modem, and it only has 1 Ethernet socket, we can connect one computer to it. But we can buy a Linksys router and then able to plug that into the cable modem, ...
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Any advice using ISP’s Modem/Router Combo with internet switch

I just bought myself a internet switch, because I could not use any ports on my own router (I'm going to add another pc later). Before installing everything I want to ask you if this method I want to ...
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Huawei Ethernet II frames on Echolite GPONs

0000 00 00 00 00 00 01 00 00 00 01 6b 6b 6b 6b 6b 6b ..........kkkkkk 0010 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 0020 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ...
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Can't connect to router turn into switch anymore and very slow transmission speed

I needed to expand my wire network in my house maybe a year ago so I turned an old router (Cisco Linksys E2000) into a switch following this tutorial. At first, everything was working great, but ...
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Is the following network setup possible with a switch in between acces points?

I keep having a very unstable wifi connection. Would be very helpful if someone could point out the direction to look into. Let me first explain my setup. Router/Modem from ISP. In bridge mode. ...
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1answer
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TP-Link TL-SG108PE - 802.1Q VLAN config

I have a scenario where I need to connect 2 groups of devices using 5 switches to 2 different routers. I'm thinking that 802.1Q VLAN would be the solution. I would create two VLAN's, one for each ...
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Will a Netgear 50 port managed switch work with a Ubiquiti edgerouter pro?

I like to know if a Netgear 50 port managed switch work with a Ubiquiti edgerouter pro?? Like will it shows it as a connect device like it dose with Ubiquiti switches.
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Devices on the switch can not be detected by the router with a specific gateway

I have 3 hosts (computers). The 3 hosts used to connect the router directly and the IP address of them are 192.168.0.101,192.168.0.102,192.168.0.103 Recently, I bought a switch and I linked all 3 ...
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Adding new PC inside my home network between router and internet source

schema of my current network in home looks like on picture below: basically the issue is that I have router & switch in whole other part of the home that I need to add new PC (node) in network, ...
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router to switch in den

Goal is to have switch in DEN, router in basement. 1. Modem wired to router. Router to computer, Modem and router in basement, computer in den and all works fine. Used cat5 cable, installed years ...
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29 views

Freeradius auth issue

i try to explain my problem: I have a debian vm with freeradius package. I've cofigure it and i think it's work fine. But i have a problem with authentication on network device (switch cisco), the ...
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1answer
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What component or piece of software decides when PCI Express lane sharing occurs?

According to the specifications of an AM4-compatible motherboard, there are two PCI Express x16 slots. If only one of the x16 slots is populated it will communicate using all 16 lanes. If both x16 ...
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Ethernet Not Connecting to Switch

Having some trouble connecting a switch to my home network I have the modem running a line into the switch, then a second line out of the switch onto the wifi router. The wifi works fine, however ...
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Multiple networks on a single switch, or a router?

This is kind of different than usual VLAN scenarios. I'm building a robot that is composed with a few linux machines. They communicate to each other over ethernet. The user of the robot can ...
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Make PC connect to local clients without router (via ethernet switch)

I’ve been trying to make my Windows 10 PC route connections to local clients without a real router or LAN. I’ve been searching for router software, dhcp server software but without success. My problem ...
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Performance hit when using CAT6 extension cable

I know (because of this question) that mixing CAT5e and CAT6 is not supposed to matter, but when installing a wired network I did run into the following problem - persistenty: When adding a CAT6 ...
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Packet Processing Limitation of OpenFlow Pipeline in Hardware Switches

I have a one-hop network containing 2 servers (DellPowerEdge 4700r) and a hardware switch ( ARUBA 2930F) in between. The two servers are connected via 10G SFP+ ports to the switch. I send TCP traffic ...
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1answer
106 views

Multiple internet connections, incoming packets on wrong NIC port (inbound routing issue?)

I'm gonna say sorry from the get go because I don't really know what to ask. There may be an answer somewhere, but my googling didn't get me any. Here's a sketch of my setup (named things easy) so we ...
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1answer
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USB star config

I'm facing the following scenario: Step1: I have a board (device1) that has a USB stick (device2) connected to it. Step2: I have to unplug the USB stick (device2) and connect the board (device1) to a ...
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1answer
112 views

What does DSCP mean for an unmanaged switch?

While investigating options for better quality-of-service on my LAN I read about DSCP (Differentiated services), which is an updated version of the good old ToS (Type of Service) in the IPv4 header. ...
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HP 1820-24G Switch J9980A factory reset not working

While the switch is on, I press and hold a paperclip on the reset button of this switch for 5-10 seconds. Then all the LEDs remain fixed and I release the button. After a couple of minutes, switch ...
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PC “sleeps” (screen off, no reaction, but still running) and it won't wake up

Short description of the problem first: After being on for a while, my computer will show a black screen as if it were in hibernate mode or something (it's still on, the fans are still turning, but ...
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Can't start XMODEM

I want to update the firmware of the HP ProCurve switch 2510-48. I want to do this with XMODEM but problem is after I'm giving this command: "copy xmodem flash primary" it asks me if it should ...
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Networking problems disappear when a switch is connected to gateway via another switch

I have a strange problem, and I wonder if anyone can give me insights on its root-cause. If my switches and firewall/gateway are in the following configuration: Then the machines connected to the ...
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1answer
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Can I use switches or must I use PoE Extenders/Switches to extend PoE cables

I have a 120'x60' metal bldg that I'm adding security cameras to. To keep the cat8 cables at 30m or less, I wanted to know if I have to use PoE switches in the middle before terminating the cables in ...
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2answers
56 views

Do network switches “short-circuit” traffic?

I plan to buy a network switch for home use since my router has no ethernet ports unused and I'm considering a switch on Amazon, like a TP-Link SG108 (but haven't decided on a specific one), and I'd ...
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1answer
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How to understand my network switch vLAN

I have a network switch that is unmanageable but it has (Vlan, Trunk, group, port and set) option via button.  I can't find a manual because there is no model or company name. Update: Appleoddity has ...
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1answer
119 views

Two IP cameras cannot be present on a network at the same time

I have two IP cameras with Ethernet connectivity (TV-IP313PI from TrendNet). The cameras are identical models and have unique MAC addresses. The two cameras are connected to an unmanaged Industrial ...
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1answer
36 views

Managed switch using VLAN for Guest Network

I have the following setup: Internet -> Modem/Router (192.168.0.0/24) -> Switch (TL-SG105E) -> WiFi Router -> Any other network device Note: Switch spans to a passive IDS My WiFi Router does not ...
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1answer
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Managed switch not contactable when plugged in to Fortigate 30E

I just bought a UniFi US-8 (8 port managed PoE switch) and I'm trying to set it up, but I can't get the UniFi controller to see the device; the controller just says "No devices found." My current ...
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Acer Aspire Switch 10.1" Sw5-012 won't turn on

I've tried everything I saw on YouTube and read in forums. It'll charge but it won't turn on I've tried reseting multiple times and still won't work Idk what to do I'm out of options....please help
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2 switches 1 router, devices on 2nd switch don't work

Newbie here. So I have a BT Business Hub 6 with 1 Cat5 going to 16Switch. Then A Cat5 going from 16Switch to other switch. Issue; devices connected to the 2nd switch are not connecting to the ...
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What causes websites to suddenly fail to load, then load immediately after a refresh?

I am wondering if there is an issue with the networking in my house. There are times where websites will fail to load (loading bar gets stuck at around 20%). After a few seconds, I hit the refresh ...
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How to setup a Linux system to have eth0 for local network and wlan for Internet?

On my Raspberry PI 3 which runs Raspbian I have both Ethernet and Wifi. I need to configure interfaces so that Ethernet can be used for interanl network using switch and Wifi - for Internet connection ...
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1answer
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Ethernet switch timeout after 3min ~50seconds using Micrel KSZ8895MQXC evaluation board

I am trying to test throughput and ping delay on a chain of Micrel KSZ8895 chips. Unfortunately I am running into the issue that they stop sending data 3 minutes and ~50 seconds after boot. I have ...
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About TCN BPDU time

I study to about STP. I know about that if topology change, switch send to TCN bit root, Rootbridge send to TCA bit switch and TC bit to all. I know that stp time is listening time is 15sec and ...
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1answer
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How to cascad Mobile Broadband internet to another PC?

A Windows 10 PC is connected to the internet through a mobile USB tethering (connection works). Another PC, running Windows Server, is connected to the first PC via a network switch. Please, how to ...
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Rx Discards on switch

I have two servers connected to a hardware switch via 10Gbps QSFP+ cables. I generated UDP traffic (1470 byte datagrams) from one sever to the other. When I send traffic at 10Gbps rate in this 10Gbps ...
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How can I access a device connected to a router which is in the same network as my PC?

I am connected to a switch. This switch is connected to a router. My PC gets its IP address from this router. I connected a second router (Router C in the image) to the switch. "Device A" is ...
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1answer
238 views

What does TP-Link port VLAN actually do at low level?

First of all, I already know there are 2 types of VLAN: Port based VLAN Tag based VLAN (aka IEEE 802.1q) I am using a TP-Link TL-R480T+ v6. The manual states that its switch uses port VLAN - I am ...
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OM3 Fiber connections

Hello and thank you for taking the time to read my issue. Let me start off with I am in school for programming and my networking skills are limited. However, I have started an internship for a ...

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