Questions tagged [openwrt]

Linux distribution primarily targeted at routing on embedded devices.

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How to set up a separate wifi SSID with VLAN on OpenWRT?

There is a TP-Link TL-WR740N router with OpenWrt 18.06.9 installed. The setup is: 1 SSID, bridged with switch and WAN port, so the router acts like an AP (DHCP disabled, just "converting ethernet ...
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1answer
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How do I tell OpenWrt / hostapd to use a channel other than 1?

I have a wireless router running OpenWrt 19.07.7 r11306-c4a6851c72. It is both an access point and a client (station). /etc/config/wireless looks like this (sensitive values redacted): config wifi-...
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Can’t log into TimeMachine on OpenWrt router with AFP Netatalk

I've put OpenWrt on a router (TP-Link TL-WR902AC v3) hoping to set it up with AFP Netatalk and use it as a mobile backup. I’ve carefully followed the AFP Netatalk instructions and everything looks ...
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1answer
24 views

How to assign IPv4 addresses to LAN clients on OpenWrt?

I flashed my router with OpenWrt and while WiFi devices receive IPv4 addresses, LAN [wired] devices receive IPv6 addresses. I am new to networking and not familiar with IPv6, so I would like to avoid ...
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Different ways to set custom DNS servers in OpenWRT 19.07.7

There are 4 different ways to set a custom DNS server in OpenWRT / LuCi, and it confuses me: This is the method I'm currently using. It also was recommended online. Note that the LAN interface is ...
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22 views

Migrating VLAN configs from OpenWRT to MikroTik

I'm currently using an OpenWRT wifi router in my small retail shop. It's done OK, but has become unstable when heavier loads are applied. I decided to migrate from a single OpenWRT install to 1x ...
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Devolo dlan pro 1200+ WiFi AC Ethernet Switch Configuration

The Devolo dLan pro 1200+ Wifi ac provides VLANs only for WiFi SSIDs. As Delos is based on OpenWrt, I wonder if it's possible to utilize swconfig to add VLAN tags to the internal ethernet switch. From ...
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8 views

Traffic shape per IP

Running Openwrt as my router and it has the pppoe for the Internet access. No special config, simply a PAT and a DHCP server that has some static leases. I would like to shape the traffic per IP. For ...
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19 views

OpenWrt using SSH with key-based authentication

On OpenWrt, I deactivated password on Dropbear to use SSH key (RSA) but now on Debian, with the terminal, I can't login as usual, is there a kind of setup to allow the connection?
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What's the difference between dd into a file and dd into a physical disk

The size "openwrt-19.07.6-x86-64-combined-squashfs.img" image is 20MB. If I change the file name to "openwrt.raw", I can import it into virt-manager and boot into the system. But ...
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WDS, but with a wired backbone between the APs? [duplicate]

Can two wireless APs be used to connect to the same L2 network? How? I have a small home network (10-20 devices), both ethernet and 802.11ac. The current situation is: DHCP server is standalone 192....
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1answer
100 views

Can I unbrick TP Link C2 AC750 after unsuccessful installation of OpenWRT?

I was trying to upgrade my router over TFTP to an OpenWRT image but I guess I used a wrong one. Now, when I turn it on, the WAN LED flashes for a second and power LED stays on all the time. No other ...
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1answer
148 views

Edgerouter ERX running OpenWRT (19.07.5) freezes randomly

I use an Edgerouter ERX as my main router which is connected to an Arris cable modem (set to bridge mode). There are some devices connected by cable (eg. Synology NAS, Desktop Computer,...) and there ...
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1answer
92 views

Having problems with nginx in openwrt

I have a router with external ip xxx.yyy.zzz.aaa with openwrt installed on it. It also has nginx package installed. I also has a web server with internal ip aaa.bbb.ccc.eee, connected to router's lan. ...
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1answer
24 views

Wireless AP suddenly stopped working and is non-responsive

I have a TP-Link RE450 configured as a OpenWRT dumb AP running in the upstairs of my house; its IP is 192.168.1.11. Last night, the two wifi networks it broadcasts (one 2.4G, one 5G) suddenly stopped ...
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2answers
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How to connect a DSLR camera to an OpenWRT router?

I have a TP-LINK TL-MR3020 v3 with OpenWRT already installed and a camera Nikon D5100. How to connect this camera via USB to a router, which is connected to computer (Windows 8.1) via Wi-Fi, so that ...
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OpenWRT can’t connect to LAN clients via WiFi?

I have a OpenWRT 19.07 router, (MTK MT7621AT 802.11AC). Currently I am using my 4G data plan to provide Internet, it is working well but while I can't connect to other clients on the LAN (like a NAS ...
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38 views

Configuring a wireless client as gateway in OpenWRT

I have a clusters of Raspberry Pis that are connected up as follows: Pi4 (ubuntu Focal) -> Gateway (DHCP server/DNS relay) of the cluster with eth0 as LAN and Wifi connection to internet router as ...
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78 views

How to achieve seamless wifi roaming in a mesh network?

I have a mesh setup running with 6 openwrt nodes running batman adv protocol on 2.4Ghz band and 5Ghz band is for the end devices. While switching from one node to another I have a noticeable lag in ...
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1answer
29 views

Connecting Access Points WLAN port with brlan port

I have two laptops: Laptop A and Laptop B. I have one TP-link Access Point with one WAN port and multiple br-LAN ports. I have configured all the devices (Laptop A, Laptop B and Access Point) to the ...
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1answer
419 views

Connecting an OpenWrt router to a “dumb” modem provided to me by my ISP

My ISP game me a device that offers hardly any configuration possibilities. The Wi-Fi is also bad. So I decided to buy another router and flashed it with OpenWrt. Unfortunately, I cannot replace my ...
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2answers
493 views

Raspberry Pi as a VPN client for half the network

I'd like to connect network according to the below topology, I don't really know where to start apart from installing OpenWRT on the Pi and then setting a static address. The idea is to have a VPN ...
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404 views

Set up local domain in OpenWRT

I have a TP-Link TL-MR 3420 v2 router set up as a Wi-Fi repeater running OpenWRT. The router has been set up in a "briged mode". The router is connected to my phone's hotspot through OpenWRT'...
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16 views

OpenWRT: Invalid configuration for WiFi client makes hotspot unable to start

On my 8devices Lima device I want to have both AP and Client radio interfaces working, but I'm unable to do so with my current wireless configuration and I don't know why. When the device is connected ...
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90 views

Running OpenWRT with OpenVPN installed. Trying to configure to allow VPN connection through Windows 10 default VPN service

I've imaged OpenWRT on my home router and I've run into trouble trying to connect through the VPN service on Windows 10 from my work machine through this. I've installed luci-app-openvpn, openvpn-easy-...
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1answer
673 views

Chromecast keeps on disappearing on openwrt-based network

I keep on getting into a frustrating situation where Chromecast is connected to the network, but my phone can't see it. Initially my phone will see chromecast, I'll start streaming and shortly ...
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1answer
193 views

Turning off IPv6 SLAAC in OpenWrt. Pros and cons, please?

I'm trying to tune my IPv6 in OpenWrt, if tuning is the right word. My IPv6 settings in OpenWrt 19.07.3 This question is about SLAAC (wikipedia), which I presume is the stateless + ... in the list, ...
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343 views

Possibly broken WAN port: how to verify and how to work around?

Is it possible surely if the WAN port is dead or not? The green LED blinking is inconsistent and happens while connection and some time after, for me it looks like working. The context: when I ...
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52 views

Accessing openmediavault web ui breaks VPN connection

I am looking for suggestions to analyze the following problem. Hosts at play A: RPi 4 host running Openmediavault 5 & OpenVPN client (note: web traffic not routed through VPN, i.e. default route ...
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13 views

OpenWRT router seems to not give out DHCP addresses via Ethernet

my Turris Omnia updated to OS 5 Powered by LuCI branch (git-20.200.40954-91ac721) / TurrisOS 5.0.4 2ca5a386eeefb11de15a9b359ae2769f775d58c9 and it seems that devices connected via ethernet are not ...
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63 views

Can OpenWRT manage separated switch (or other device)

Is it possible using single OpenWRT "main" instance to manage a managed switch with some management protocol, or any other device like for example access point with second instance of ...
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22 views

Router power issues

I had to connect Comtrend WAP-5813n router physically to a laptop via USB-TTL cable, to make some changes in the router. By the time I took the device out of the plastic case, I noticed that LEDs ...
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0answers
355 views

Diskspace on OpenWRT router

I bought this router which should have 128 MB of disk space. Yet after installation of relevant release of OpenWRT I can only see 18MB: % df -h Filesystem Size Used Available Use%...
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97 views

Configuring TP-Link WA850RE with Static IP from ISP from LuCi/OpenWRT

I installed openWRT on TP-link WA850RE V2 device and trying to setup internet connection with static IP. This device has only one ethernet port and is shown as LAN in the LuCI web GUI. I'm trying to ...
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14 views

Linux: Copy /etc/config to /tmp/ and link in runtime

I am using a cheap OpenWrt router and making a lot of file writes to /etc/config/, which makes me fear that its flash might fail soon. Is there a way to copy whole of /etc/config/ to /tmp/ after boot ...
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37 views

Redirect all http traffic to static address in OpenWrt on Raspberry

I have an ISP router with IP 192.168.1.254. I installed OpenWrt on my Raspberry PI 3 B. Raspberry is connected to the ISP router via ethernet On the Raspberry I configured 2 networks: wan wifi ...
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1answer
21 views

Reliable name resolution in local networks

I find that name resolution of local machines in home networks is getting less and less reliable, especially on mobile devices. In an attempt to secure DNS queries, some browsers/devices always use a ...
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1answer
1k views

How to renew a client DHCP address with an OpenWrt router?

How to renew a client DHCP address with an OpenWrt router, from its SSH terminal session?
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1answer
43 views

How to catch this range of IP addresses with a netmask?

I have an OpenWRT router and a Pi-hole install within the network. I am aware that some devices may ignore the DNS provided by DHCP and use hardcoded ones, so I want to redirect DNS from all non-...
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0answers
5k views

D-Link 2730u router dead after firmware update

After my D-Link 2730u router kept disconnecting, I checked the dlink website and found out that there's a firmware upgrade with name "DSL-2730U-ADSL-Disconnect", so I gladly downloaded the files, ...
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497 views

Failed to authenticate w/ Google Authenticator when configuring OpenVPN client on OpenWRT

I'm quite new to OpenWRT and I'm facing some problems here. I set up the OpenVPN server on a Ubuntu using OpenVPN Access Server web GUI, and correspondingly I got the client profile client.ovpn. Also ...
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1answer
54 views

Clients fail to use Pi-Hole or Pi-Hole gets jumped over (a.k.a. oh noes ads show up)

I have an OpenWRT Router so I followed this tutorial to setup my Pi-Hole and router, so that all DNS traffic gets redirected as well. When I go to my Pi-Hole and under tab Network I see my device as ...
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1answer
1k views

OpenWRT - change default route manually to go through VPN

This problem has stumped me. I've got wireguard set up from site to site: traffic flows as expected. I've bonded LANs and the OpenWRT devices are internet gateways. I want to be able to use the ...
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0answers
268 views

VDSL link negotiation debugging

I have a VDSL (G.993) connection to my home. I have brought and previously successfully used this SFP VDSL modem on my Turris Omnia (an OpenWRT Linux based router): https://www.versatek.com/product/...
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341 views

d-link dir-615 H1 keeps boot looping as soon as wifi is enabled?

I have tried various firmware's from stock to ddwrt and openwrt! Every time I install a stock or ddwrt firmware it just boot loops continuously! With nothing else plugged in at all, I get orange ...
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1answer
2k views

How to configure OpenWrt to use as an ethernet to wifi bridge?

Here is the situation: I have an HP LaserJet printer that has a built-in print server. But it does wired ethernet only, and I need it to be connected by Wifi instead. So I bought a GL.iNet GL-MT300N ...
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143 views

OpenWRT router as a bridge to a corporate network

I have an OpenWRT router (192.168.101.160) connected to an office network behind an HTTP-proxy (192.168.101.127:3128) and I need to make it share the connection to the Internet over Wi-fi. But it must ...
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0answers
66 views

OpenWRT: Redirect traffic for single clients to different gateway

I am currently reversing a wifi toy. To analyse the devices protocol I would like to redirect its traffic to a linux machine (kali). Then I am using sslsplit to peek into the ssl traffic (CA.cert is ...
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0answers
32 views

Forwarding DNS request

i have OpenWRT and i already setup a hotspot. i want redirect DNS Request from client to other DNS Server i have using a iptables here the iptables iptables -t nat -I PREROUTING -p udp -s 192.168.1....
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1answer
193 views

How do I fix bufferbloat without introducing packet loss?

I just installed SQM QoS on my Linksys E4200 (V2) in order to fix some, frankly, horrendous bufferbloat. This seems to have fixed the issue, however, it has now introduced bad packet loss that wasn't ...

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