Questions tagged [openwrt]

OpenWrt is a Linux distribution primarily targeted at routing on embedded devices.

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Unraid share fails to mount on OpenWRT using mount.cifs?

So I have an Unraid machine with some shares on it and I would like to be able to mount this share on my OpenWRT router for backing up/transfering files onto the router (avoids having to plug-in/...
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How to get internet/networking on QEMU for OpenWrt under Windows?

I would like to run a Internet-capable OpenWrt-Box on a Windows10 Machine using QEMU. I have tried this command: "c:\Program Files\qemu\qemu-system-aarch64.exe" -m 1024 -smp 2 -cpu cortex-...
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Setting up a stand alone web access point

I have an openwrt router that is configured to offer no internet just a local web portal. I have configured the firewall to forward all HTTP requests to the router's web server and I have configured ...
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OpenVPN on OpenWRT fails to connect “connection timeout”

It seems very elegant to be able to connect to your homenetwork from any public accesspoint without being worried to disclose your traffic. So dispite my lack of computer network experience, and after ...
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269 views

OpenWRT - How to redirect all subdomains of a hostname, to the same host, so that it can be reverse proxied?

I have an OpenWRT router setup, 192.168.1.1, with search domain, local (as opposed to the default lan). I have a server setup, 192.168.1.200, with hostname, server.local. I have a workstation, 192.168....
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58 views

Capturing IEEE802.11.x auth and capabilities data with tcpdump?

I'm troubleshooting some issues with my wireless network (OpenWrt 19.x and mobile device) and I came across this: https://dot11.exposed/2017/09/20/violation-of-802-11-standard-intel-wireless-cards-...
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How to separate WIFi and Lan clients on OpenWRT

Running OpenWRT 19.X I want to separate any Wifi client from LAN clients. By default Wifi users are bundled into the same address range and they have access both to LAN clients and router (web, ssh). ...
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1answer
360 views

OpenWrt allow IPv6 rule to access a server with global IPv6 on local area

First of all, I have a domain with dns configured to point to my device global address witch is set to static with my ISP gloabl prefix as xxxx:xxxx:xxxx:de01::3/64 in dhcpcd.conf. I'm using Openwrt ...
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275 views

Does Dropbear know what a ~/.ssh/config file is?

I want to ssh from one host (OpenWrt running Dropbear) to another host on the same LAN that is running open-ssh server and client. I converted the private open-ssh key of the other host to dropbear ...
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How can I setup an OpenVPN server on OpenWRT, while maintaining interconnectivity between two routers and all attached nodes?

After wasting 7 hours of my life on How can I create two different subnets for 2.4 and 5GHz WiFi, and maintain communication between them?, and losing all confidence in myself as an IT professional, ...
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setting up load balancing with mwan3 on openwrt

I want my traffic going through USB-tethering, while destination to 192.168.0.0/24 going to WAN port. I have SSH-ed into the GL-AR750S and opkg-install-ed luci-app-mwan3. Both interfaces are up and ...
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606 views

How do I block all traffic to all ports except 80/443 in OpenWRT?

I'm trying to do some testing and would like to setup my network to only allow traffic on 80/443, expect for specific IP addresses where I will specify a TCP port and UDP port. Once completed, I want ...
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318 views

How can I ensure my static route works over VPN as it does in our LAN?

I have a WireGuard VPN set up on our OpenWRT router. We have a client's site-to-site VPN appliance at 10.0.0.51 and I've created a static route for the LAN interface so that 10.65.0.0/16 uses 10.0.0....
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SQM scripts for openwrt and applying priority

I am a new to the topic and would appreciate any guidance. Around the of topic SQM scripts and simple.qos, I am trying to understand the post from user dl12345 on https://forum.archive.openwrt.org/...
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StrongSwan config issue: no matching peer config found

I am trying to establish a VPN between my router (running OpenWrt) and my smartphone using IPsec. I followed the guide at https://openwrt.org/docs/guide-user/services/vpn/ipsec/strongswan/roadwarrior ...
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ssmtp with gmx Error 503 Bad sequence of commands

I try to use ssmtp on my OpenWrt device for simple mail sending. I've set up an gmx account, installed ssmtp and configured the 2 config files as followed: ssmtp.conf: # # /etc/ssmtp.conf -- a config ...
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Missing routes so that L2TP VPN works (no IPsec)

I would appreciate help with understanding routes and adding missing ones in the following L2TP setup: I have two OpenWRT based routers, Router A is the L2TP VPN server, and Router B is L2TP VPN ...
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StrongSwan: manually expire security association

I am working on automating some software tests involving IPSec and StrongSwan. These tests basically apply a swanctl.conf file to two gateway machines, then establish a tunnel between them. It then ...
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Laptop A is sometimes blocked from pinging laptop B. Pinging in reverse unblocks it

I have had this problem dozens of times, ususally spaced out by days or even weeks. Router R can ping laptop A, laptop B, and the internet (0% packet loss in each case). Laptop A can ping router R ...
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687 views

tc on openwrt: RTNETLINK answers: No such file or directory

I've just installed OpenWRT release 19.07.2 on this thing: https://openwrt.org/toh/netgear/netgear_r6220 It is meant as a temporary router+firewall for a small network, not as a typical wifi router ...
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705 views

Use WireGuard for combining bandwidth (multiwan)

Is it possible to combine multiple uplinks for getting faster VPN access to a server with WireGuard? I already played around with MultiWAN (mwan3, OpenWRT) in the past but for VPN access, its only ...
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1answer
781 views

How can I setup dnsmasq wildcard cnames for domains generated from dhcp leases?

I have an OpenWRT router with automatic dhcp domains enabled. This way, for host example-host, I automatically get an A record for example-host.lan to 192.168.1.2. I am trying to setup a wildcard ...
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465 views

How to set up Kubernetes (k8s) environment on an open-wrt based node connected in a cluster?

Openwrt OS support ".opk" file format extensions for the packages to be installed on the top of it. For that k8s, kubelet binaries are availbale but the procedure is to generate an installable ...
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161 views

How to clone egress UDP packets & send them to the same destination in order

This is what I want,LAN---- (UDP packets flow)----->Router [Mirror UDP packets & send these packets to the same destination port/IP in order]--------> Internet. Any idea? Side note: I want to try ...
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2k views

TP-LINK TL-MR6400 IPSEC L2TP VPN tunnel with GCP server

I have a TP-LINK TL-MR6400 router, connected to internet by means of an LTE sim. This is a very rough network diagram of my current situation.1 My IoT services sit behind the TL-MR6400. Unfortunately ...
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45 views

Check forwarding queue occupation on router

I have a router forwarding traffic from a network to another and I need to know when the packet queue (in the receiving side/interface - rx) occupation is close to its maximum capacity. However, ...
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1answer
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gitolite on openwrt - ssh not using gitolite

I've set up a gitolite installation on OpenWrt-18.06.04 according to this guide: https://openwrt.org/docs/guide-user/services/gitolite Step 9 of the "actual install" suggests removing the RSA-key ...
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1answer
207 views

Strange routing behavior, Synology combined with OpenVPN

Essentially the setup I've got is WAN <-> OpenVPN running on OpenWRT running on WRT3200ACM <-> LAN -> Gigabit Switch -> RPI and synology The openVPN tun is working fine and dandy. I get an IP ...
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1answer
910 views

OpenWRT + OpenVPN - connection to the VPN succeeds but can't ping LAN, can't ping outside

I'm setting up a VPN connection using OpenVPN client on OpenWrt. The client connects to the server, but I can't ping any network hosts using the tun0 interface Ping Examples: ping -I tun0 192.168.1....
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57 views

Dynamic SQM Settings

I've just set up my new router (WRT1900ACS) and installed OpenWRT. I have ADSL which makes it pretty hard to adjust the sqm up/download speed correctly as it differs depending on what day it is. Is ...
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1answer
728 views

separating three vlans on openwrt

I wanted to make a network with 3 separated VLANs 10.140.1.0/24 10.140.2.0/24 10.140.3.0/24 So I hooked up two routers TL-WR740n with Openwrt installed, and started experiments. First router(10....
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864 views

tinyproxy - abyssmal performance

I installed tinyproxy on a GL-AR750s router (running dd-wrt). Performance is abyssmal. When I load MSN non-proxied, non-cached on my laptop, it takes about 3 seconds. When I load MSN on the same ...
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1answer
43 views

Discovery and communication between routers

I am working in an environment consisting of 4 OpenWrt routers, each serving multiple clients via Wi-Fi and containing. Each one of them provides the clients with Internet access. I have 3 questions ...
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264 views

How can I add wildcard subdomains to dhcp clients in dnsmasq? [closed]

I have a TP-Link router on which I installed Open-WRT. It has dnsmasq on it, and it is configured to give each dhcp client a dns entry containing it's hostname and the ip address that was assigned to ...
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2answers
759 views

Show delegated ipv6 prefix at command line in OpenWRT

In OpenWRT’s gui “LuCI“ the delegated IPv6 Prefix provided by the ISP is diplayed in the status page in overview. Normally it will be shown under “IPv6 WAN Status“ in the “Network“ section like IPv6 ...
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1answer
4k views

How to give a server a static IP address with OpenWRT/LuCI?

I have an OpenWRT router and a small home network on 192.168.0.0/24. I have a server which has the static IP 192.168.0.10. How can I set up an A record in OpenWRT/LuCI for it, to give it a DNS name? ...
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Why is the maximum length of OpenWrt’s root password 8 characters?

When I try to set root's password: root@OpenWrt:~# passwd Changing password for root Enter the new password (minimum of 5, maximum of 8 characters) Please use a combination of upper and lower case ...
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558 views

How to push a local DNS resolving entry to client when an OpenVPN connection established?

I am using OpenVPN-2.4.6 clients and an OpenVPN-2.4.5 server that resides an OpenWRT(18.06.01) router. The OVPN client connects to the server by a public DNS name of the server(i.e pubName.my.router),...
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432 views

Push DNS server instead of Router's IP on OpenWRT

I have a router with OpenWRT installed. In the section Network → Interfaces → WAN → Edit → Advanced Settings I have set up my custom DNS servers (Cloudflare and Google). Now my routers continues to ...
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2answers
263 views

How to find a static IP and MAC address(or a device that reject any request like ping) on a network

I have a windows 10 PC and if I enable network discovery or set a static IP to the PC I'm not able to find it's IP address or MAC address from my OpenWRT router using arp table or dhcp.lease. Like I ...
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1answer
661 views

How to get the number of devices connected to openwrt in realtime?

I tryed cat /tmp/dhcp.leases | wc -l but have a time delay. Is there any way to get the number of devices in real time, including wired and wireless devices?
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Windows 98 routing issue [closed]

I have following network setup: Main router connecting to internet, with LAN address 192.168.1.254 Secondary router connected to first router, with LAN address 192.168.2.1 I have two PC's connected ...
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1answer
376 views

tcpdump get requesting IP

We are tracking http usage(mainly for our intranet) and I've been able to track it using the the following on our OPENWRT router: tcpdump -i wlan1 -s 0 -A 'tcp[((tcp[12:1] & 0xf0) >> 2):4] =...
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1answer
71 views

Bridged wireless interface traffic stats: reversed RX/TX

I just noticed something strange while doing some tests on my OpenWRT router: I have a wifi interface bridged to the LAN, I'm testing download and upload traffic monitoring. I assumed RX stands for ...
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346 views

Redirect clients based on MAC address - OpenWRT/LEDE

on OpenWRT (LEDE) router I have the following redirection: config redirect option proto 'tcp' option target 'DNAT' option dest 'lan' option _name 'Proxy for HTTP' option src 'lan' ...
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1answer
2k views

OpenVPN client on OpenWRT not routing traffic through VPN on Linksys WRT3200ACM

I am unable to get the traffic routed through the VPN tunnel, when using OpenVPN on OpenWRT firmware. The router is a WRT3200ACM, connecting to OpenVPN server on Ubuntu. OpenVPN client is connecting ...
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1answer
249 views

openvpn optimizations for Low bandwidth (250mb a month)

I am using openwrt lede with a lte stick 250-300mb a month depending on the unit so preferably hitting 250 or lower would be better for the entire system these are the clients the server doesn't have ...
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1answer
896 views

dnsmasq list-servers “precedence”

I have a device, in a LAN, behind a router, that runs a linux and need to provide it with an internal DNS server, to resolve names for its own internal applications (it's OpenWRT-based). The reason ...
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1answer
366 views

tc qdisc with GRE in openwrt

I'm trying to implement traffic control to GRE interface in an openwrt board. For this i followed below steps, Create GRE interface named gre1 in both tunnel end devices. Tested reachability with ...
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1k views

Why does Firefox show SSL_ERROR_BAD_CERT_DOMAIN with a self-signed wildcard certificate, but other browsers do not?

I assigned a self signed wildcard certificate to an OpenWRT (LEDE) router LUCI (uHTTPd) system. The CA which signed this certificate got added to all browsers as trusted certificate authoritiy. It ...

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