Questions tagged [routers]

For questions about networking devices that forward data packets between computer networks. For general networking questions, consider asking at Super User.

This tag is to be used for any questions about networking devices that forward data packets between computer networks.

Consider the question check list if your question fits the tag. You can also look at the example questions. If this tag doesn't fit your question have a look below at somehow related tags that might fit your question better.

Question checklist

  • Is the question about devices that forward packets, and not just a receiver?

  • Is the question related to the Internet of Things, and not just conventional Wi-Fi routers (although these are within scope if there is a connection to 'smart' devices at home).

Example questions

Not what you are looking for?

  • Use for questions about setting up and configuring networks for devices in general.
  • Ask at Super User for general computer networking issues.
28 questions
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How do I protect my home from IoT devices being compromised and being used for DDoS attacks?

I am trying to understand the vulnerability of my home IoT devices. From what I understand, the big DDoS last year was caused by compromised IoT devices with generic or default usernames and passwords. All my IoT devices are behind my firewall (like…
randy
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Is MQTT scalable with 1000+ clients?

Scenario IoT device (currently IPv4 device) that sends via TCP socket a payload to a server once per day. The server has a public IP address, the device is behind a router/NAT. I'm going to use a module based upon ESP8266 (i.e. Olimex one) Goal The…
Mark
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1 answer

~200 Devices on Single AP

I have a project where I would like to connect ~200 devices to a single AP. Each of these devices will be offset in their communication so that there will only be approximately 10 devices relaying TCP packets to a server at any given time. I would…
Wolfgang_Horton
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2 answers

How can I handle IP addresses changing when the router reboots with Home Assistant?

I have setup multiple lamps and sensors in my Home Assistant configuration. However, I want to know how to best handle the following scenario. If there is a problem with my router or a power cut and my router is rebooted. In this case there is a…
O.K.
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Why arp -a does not show all devices connected to WIFI?

I am trying to see the IPs of all the devices connected to my WIFI. Everyone suggests to use the command arp -a in the terminal but when I do so I get always the same list of devices. I try to connect new ones but they do not show up. However if I…
Federico Gentile
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How does the Norton Core increase the security of a "smart home"?

Symantec is releasing a new router, the Norton Core, which they describe as "The secure router for your connected home." I found out about this while reading an article on Engadget, but their description of what the device actually does and how it's…
Aurora0001
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How to make node select the least preferable parent as preferred parent in RPL protocol?

I would like to simulate in Cooja the following: one of the nodes selects the worst parent that provides the worst routing information as its preferred parent i.e. it breaks the Objective Function and then updates its parent set and picks the worst…
5
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1 answer

How to connect 1 million devices over Layer 3 IP-protocol

I have edited the question after reading about MAC-to-MAC protocol (RMII/MII) here: https://community.nxp.com/thread/316374. My IOT device looks like a USB stick. I am building a datacenter for 1 million IOT devices. Each datacenter is a large room…
5
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1 answer

Avoid limited connections of WiFi Router

Scenario I developed a simple board that connects via WiFi and upload some data to a remote server. The network management is up to the customer but now he asks me some hints about how to avoid the limited number of connections allowed. The…
Mark
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Zigbee network intermittent issues

My Zigbee network connection seems to be intermittent. Suddenly all routers will lose connection, for example unable to ping any of the routers. After awhile (e.g overnight or a period of a few days) the network will be up again. Set up: 1x…
Jess
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How to turn a router into CoAP server or MQTT broker

Can we turn a router to a MQTT broker or CoAP server? or can we just take additional service from the router by installing CoAP or MQTT broker on it, probably in Java. The router can be powerful as Linksys WRT1200AC (1.3 GHz Dual Core with 512MB RAM…
Shahrzad
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Will disabling my network's SSID broadcast cause my WPA encryption to be disabled?

I encountered this message when I tried to disable the SSID broadcast of my home network. Does this mean that my router's Wi-Fi connection will no longer be encrypted? Sorry I'm pretty new to networking but any help/guidance or further reading is…
Diio
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Sonoff switches on Google Home - Cascade Router configuration?

I had my Sonoff switches working fine on my rental FTTH modem then I bought Google Nest Wifi. Only my kitchen lights connect to the "blended" wifi, the rest of them won't show up on Google home (same models too). So, after killing an entire day…
Vogon Poet
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Apple TV - route specific app(s) through VPN

Apple TV does not have support for VPN apps like SurfShark or ExpressVPN like Android. The problem There is one specific app I would need to go through a specific country. All other apps should not use VPN, just the "usual" network Solution idea I…
ramden
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How to upload new firmware to Ralink RT5350F board

I took apart old Edimax SmartPlug (model SP-1101W) to find out that the brain of the device is Ralink RT5350F chip conviniently placed on removable module board: The board has two rows of 14 pins (28 pins total) distanced acording to raster 0.2''…
PanJanek
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