For questions on connecting devices together so that they can communicate with each other, as well as questions on networking equipment such as routers and switches.

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1answer
14 views

UDP Broadcasting Not Working on Some Routers?

I have a game that runs on mobile devices and connects two of them together by using UDP Broadcast and simultaneously listening and broadcasting. On most home wifi networks, this works well (corporate ...
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0answers
7 views

IPTables forward to external IP, but keep source IP

Can I forward connections on port 25 from one server to another, but keeping the original source ip when the 2 servers are on different networks?The problem I'm having is, connections going to ...
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0answers
18 views

Internet Slow on one Computer

I noticed that my Internet is slow ( 5 Mbps on average) on my computer only. I am currently running Windows 10, on a MSI B150 PC mate motherboard. To be noted: I am running power line over Ethernet. ...
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2answers
23 views

Combining 2 network inputs to an unmanaged switch to improve speed

I have two network inputs and I want to combine those for faster Internet speed. Can I do it with an unmanaged network switch, and what software do I need? My switch is TP-Link TL-SF1024D v2.
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0answers
22 views

Debian and TP-Link Archer T2UH ( AC600 ) - unable to change back MAC address

I changed MAC address on my TP-Link Archer T2UH ( AC600 ) running on my Debian 9.3 via iwpriv ra0 e2p 04=MAC_SEG1iwpriv ra0 e2p 06=MAC_SEG2iwpriv ra0 e2p 08=MAC_SEG3Unfortunately, I'm not able ...
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0answers
23 views

Slow Download - fast upload on cable and wifi

So I'm having this issue with the really slow download speed and very fast download speed over cable and wifi. The network topology is the following: Provider router and FO media converter (PON-TECH ...
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votes
1answer
20 views

Connect TAP interface with router in same subnet

I downloaded TAP driver installer from OpenVPN download page and installed it. I want to connect that virtual TAP interface with my router like a normal NIC.For example, let my home router has ...
0
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1answer
29 views

Intrusion Detection System hardware requirement for a home user [on hold]

I'm new to network securityI have an old computer I'd like turn into an IDS (Linux using Snort IDS) to monitor my home wireless network. Problem is, what hardware do I need to be able to sniff all ...
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0answers
24 views

How do you remote boot a Windows 7 computer? [on hold]

I don't mean remote install. I would like to host a disk image (of a Windows 7 install) on a file server and have a client computer download and boot the image.The computer I want to boot is a ...
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0answers
10 views

Unable to obtain IP address from Mesh(Bridge Mode)

Router: WRT3200ACM (DNSMasq DHCP Server)Firmware: OpenWRTWiFi AP: 1 - 5GhzMesh: Velop (2 Pack) [Bridge Mode]WiFi AP: 2Ghz, 5GhzDevice: S8+Problem:Having connected to Velop's AP once, and ...
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votes
2answers
21 views

My internet comes from my iPhone tethered to my desktop, can I connect a router to this?

I have internet on my desktop from my cel phone which is tethered. I have devices which were formerly connected to my home network through the DSL modem, but I can't use them now because at some ...
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votes
3answers
560 views

Is it possible that a lower level network can provide IP addresses for the higher level network? And how to prevent that?

Sorry for my obscure title, I don't have much knowledge about networking. So today I got a really strange problem with my network, it's like this:My network:From Internet → my Wi-Fi router → "black ...
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0answers
16 views

Ethernet connection constantly dropping - Must reenable adapter [on hold]

My ethernet connection constantly drops and the triangle of death appears. I can replicate the issue by opening a YouTube video on 1080p and clicking back and forth, otherwise it happens randomly ...
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votes
2answers
37 views

I’m getting an IP address conflict but when I check the IP address, nothing shows up?

The problem I'm having is a (windows 7- LAN - Office Environment) Desktop Computer is flagging up an error of a conflicting IP Address. When I use ipconfig to check the IP address, there is none ...
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2answers
22 views

default gateway after network card damage

This is my default gatewayI am trying to set up Static IP for windows server 2016 in Virtual box,Author of this tutorial says..his default gateway is 192.168.1.1..Upon some research,it lead me to ...
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0answers
15 views

Static ip tied up up with previous network adapter driver

Background: Windows 10, functioning properly for months. The ethernet network adapter has a statically assigned ip for a custom application to interface with custom hardware. Recently, the network ...
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votes
1answer
50 views

Number of Possible IP Address Ranges [on hold]

I am new to IP addresses. I am currently trying to find a way to get all IPv4 addresses by organization. The organization needs to be the lowest level organization. For example, 12.31.71.58 is an IP ...
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1answer
17 views

Ping started before backup uplink got installed still doesn't work, a new instance works

We have an internet outage, so our router got switched to the backup isp. I had a ping running continuously before the backup isp was enabled.After the backup isp was enabled, the old ping still ...
-1
votes
1answer
32 views

how to check the speed in Cisco Router\

I want to know is it possible to check Internet speed directly in the cisco router thru any command or activating any service in the cisco router?There are number of questions and confusions ...
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vote
0answers
24 views

Connecting switch to WiFi router but wireless?

I have in house ( so no enterprise solutions :D ) 16port switch to that switch is connected 10 devices via LAN.Than in other part of the house there is Wifi router ( classic asus wifi 2.4Ghz/5Ghz ...
0
votes
1answer
31 views

OpenWRT settings to block access to devices in separate local subnet

I have a situation in which I have to create an isolated subnet that has Internet access through another subnet.The picture might show it more clearly.192.168.5.1...
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1answer
19 views

Setting a hostname findable via DNS for a router running DD-WRT

I have a Buffalo WZR-600DHP router running DD-WRT from the factory. I’ve enabled the following DHCP settings in Setup -> Basic Setup -> Network Setup -> Network Address Server Settings (DHCP):DHCP ...
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votes
0answers
15 views

Something better than polling to let networked computers know a new file is ready to be processed [on hold]

I have a webserver and 5 computers networked together. The 5 computers are responsible for processing files. Every minute (if not currently processing a file) the computers poll the webserver to see ...
-2
votes
1answer
33 views

Can I connect two routers wan to wan

Why cant I connect two wireless routers as wan to wan to seperate network in house with three suites who all have access to main network. I don't want others in house to have any access to anything i ...
1
vote
1answer
19 views

Intermittent failure of IP address provision after moving to new AP router area on same network

I have a modem/router connected via PowerLine Ethernet to 3 different routers working as AP devices across our home. Occasionally (and especially when walking between different AP areas) the new, ...
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votes
1answer
11 views

identify individual devices from aggregate traffic of router

Is it possible and if yes how to identify individual devices (laptop vs. mobile phone vs TV) when listening to the aggregate traffic of a wifi router?Assumption: all devices of interest are ...
1
vote
1answer
25 views

Listen for incoming request on port on Linux, then run command

I am after as lightweight as possible solution to listen on a port for a specific request, then run a command should the port be hit and the correct request be recedved.Eg. Send a request to 192.168....
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votes
0answers
16 views

How do I set static external IP address on port forward?

I'm trying to setup port forwarding for my Minecraft server but when I set a static external IP it doesn't work. If I leave it at default with a dynamic IP it does work. I'm using Netgear Genie. The ...
1
vote
1answer
16 views

port forwarding, ports are blocked

I did the following steps for accessing a http service that is hosted on my lan from outside the network. registered a hostname in no-ip.downloaded and installed ducdid port forwarding setting on ...
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0answers
25 views

WiFi upload doesn't work for the home router and laptop & android devices

All home devices are able to connect to the router, surf the web, chat in messengers. However, when one tries to send (upload) e.g. an image or another file bigger than few Kb, it stuns and shows as ...

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