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Questions tagged [router]

Questions about running a UNIX-like OS (typically Linux) on wired and wireless routers, including flashing, creating, and configuring custom firmware.

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Elementary crashes router when plug in Ethernet cable; Windows, no problem

I've already tried this more than twice. I can connect my laptop via Ethernet cable to the router on Windows, but when I do so on Elementary, the router instantly crashes and reboots. I can use WiFi ...
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0answers
14 views

how to find snmp device is switch, router or printer?

I am discovery Network devices any I have some of the information like IpAddress snmpVersion Community String Udp host port using above information I am able to discover Network device but how I ...
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1answer
30 views

Can't access SNMP stack on rasp pi through router from WAN

Background I am running the following On my laptop the very latest version of arch linux with all the latest updates. It is from this laptop that I am querying an SNMP stack on a rasp pi $ uname -...
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1answer
108 views

OpenWRT on a router with Broadcom wireless chip

I found a note on openwrt.org / without timestamp / unclear if its very old Wiki entry Broadcom has not released any FOSS drivers. Broadcom doesn’t support open-source much at all. (..) ...
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0answers
8 views

Does it make a difference if a the remote LAN proxy is the router or non-router?

Remote LANs are configured with routers that are WAN accessible through SSH for the purpose of http tunneling to enable the 'mother ship' to access remote LAN devices with a web browser. If the ...
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1answer
39 views

How do I connect to a QNAP [closed]

BACKGROUND DETAILS: I've inhereted a QNAP TS-459U-RP. I currently have it connected to my home router via an ethernet/rj45 cable. My computer is connected to the same router. How do I access the ...
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1answer
147 views

ssh works only one way

I have two computers, one is running Debian GNU/Linux 9 and the other Ubuntu 18.04.1 LTS. I have installed openssh on both computers. sudo apt install openssh-client sudo apt install openssh-server ...
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1answer
55 views

Integrating Z-Wave into Router

Although it is possible to add another box (Z-Wave hub)to home automation, it would be preferable to integrate Z-Wave communications functionality into a USB router. Are there any examples or ...
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0answers
222 views

IPv6-subnets with systemd-networkd

My new ISP gives me a public IPv6 address with a /56 prefix to play around: 2001:b:c:d:5:6:7:8/56 I would like to create two subnets divided by a linux server like this: internet - fritzbox - ...
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1answer
466 views

What does rx_csum_offload_errors mean?

I asked same question on serverfault but since I'm not sure where is proper to ask that I'm asking same question here. I see too many rx_csum_offload_errors on ethtool output and it constantly ...
2
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1answer
183 views

IPv6 routing Public to a subnetwork

Doing Linux/Debian IPV6 Routing from my vendor to a client not working. IPV4 NAT/routing is reliably working using iptables and dnsmasq, however, even with forwarding enabled on IPv6 I can't make it ...
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1answer
99 views

Unable to access modem IP through Linksys EA2700 router

Router IP: 192.168.1.1 (Linksys EA2700) Modem IP: 192.168.100.1 (Technicolor TC4350) Everything here refers to a wired configuration. Entering the modem IP in a browser address bar returns an ...
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1answer
27 views

How to avoid forwarding ports?

I am doing UDP socket programming in C. In order to listen to a port, I need to forward ports in my router. My question is how to avoid doing that and still being able to communicate over the internet,...
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1answer
332 views

How to get WAN IP of a router on double NAT (not a public IP)?

I am on double NAT (behind 2 routers). I known how to get the public IP by visiting some webpages or use dig command. Yes I known WAN IP usually same as the public IP. I talk about WAN IP #2 that ...
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0answers
81 views

how to prevent dnsmasq from completely failing when one of the configured interfaces is unplugged?

I'm running dnsmasq on Arch Linux on a router with 4 LAN ports for wired, wireless, DMZ and admin_interface. dnsmasq is my dhcp server for my LAN (as well as providing dns functions). I do not always ...
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3answers
991 views

Reboot over ssh

I'm trying to reboot a Teltonika RTU950 using ssh. I can log in as root via ssh and then reboot the router fine. However if i try to send the reboot command over ssh it does not work. ssh root@...
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1answer
36 views

How do I determine what network interface this is and why it's blocking me from a subnet? [closed]

My router has my network separated into two subnets - 192.168.1.0/24 for wired and 192.168.2.0/24 for wireless clients. My home server lives at 192.168.1.42 and is not reachable from a client on the ...
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0answers
54 views

Open WRT mini router: mobile modem installation

The GL-AR300M mini router runs a Linux based Open WRT system, making it highly configurable. Recently i have been trying to use the 3G modem Option Globetrotter GI0505 i have with it, but without ...
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2answers
231 views

Send TCP packet to the same source [closed]

I want to design a system which reduce travel time of packet what is happening in reality is I send a SYN bit from client side, this bit travel through router then to server and server reply SYN+ACK ...
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1answer
443 views

OpenWRT add permanent virtual interface

I have OpenWRT on my router (Turris Omnia). How can I add permanent virtual if or second IP to eth0 (wan)? If I use ip a a or ifconfig virtual interface will disappear after network restart or reboot. ...
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1answer
60 views

How to reset router through command line browser? [closed]

I need to reset router and I just get access with ssh to raspberry in local network with router. I'm trying with elinks and w3m browser but I can't see any option, maybe because the router's control ...
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1answer
116 views

Broadcom Chipset Router - Reset Base MAC address [OpenWRT]

I have a Dlink DSL-2750U (Hardware version: C1) router. The router seems to have forgotten its MAC address and is showing the base MAC address as 00:10:18:00:00:00 which is the default. I have ...
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1answer
959 views

Use dnsmasq to pushing routes to my clients on a small local network

I'm trying to use dnsmasq to pushing routes to my clients on a small local network. However my clients (Server #1, #2 and #3) can not use these routes. The dnsmasq service is running and I do not ...
2
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1answer
300 views

Compiled modules support for openWRT

In order to add driver for my wireless adapter, Bus 001 Device 002: ID 0bda:8172 Realtek Semiconductor Corp. RTL8191SU 802.11n WLAN Adapter I am building openWRT for my GL.iNet AR150. The ...
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1answer
568 views

CentOS routing between multiple subnet

for school we have to do a linux routing vm between 4 subnet but the routing only works in one way. Let me explain, here is a schematic: The router in the center is a CentOS 7 fully up-to-date with 4 ...
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0answers
112 views

internet access with ping has 100% loss

LAST BREAKTHROUGH -> see the tshark results below for some clue Hi, at home I have the following setup: Internet - NAS (Ubuntu 16.04.4 LTS) - LAN (Asus N56U WiFi) - family users. NAS connects ...
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0answers
2k views

Correct way to configure CentOS7 NAT router?

The Background I have searched and scoured the web for information on the proper configuration of a NAT host running CentOS7 and firewalld for more than one private network. I have a working ...
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1answer
108 views

Are separate unidirectional uplink and downlink interfaces on Linux possible?

I'm using radio communication between access point and linux station. When machine only sends packets then connection quality is okay. The same can be said about situation when machine only downloads ...
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0answers
231 views

Cannot change hostname of raspberry pi in local network

I have a clean install of the debian-based OSMC os on a raspberry pi. I've manually set a static IP: $ ifconfig wlan0 wlan0: flags=-28605<UP,BROADCAST,RUNNING,MULTICAST,DYNAMIC> mtu 1500 ...
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2answers
4k views

Accessing router from a command line [closed]

Is it possible to access a router and login from a command line ? I'm well aware of firefox 192.168.1.1 but are there parameters that can be added to this so that it's an immediate login from the ...
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3answers
4k views

Why does traceroute display many ip addresses for the same hop?

Here is the route path from my home to sina.com.cn. traceroute -n sina.com.cn traceroute to sina.com.cn (202.108.33.60), 30 hops max, 60 byte packets 1 192.168.31.1 0.476 ms 0.587 ms 0.695 ms ...
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2answers
3k views

Can i list unmounted drives without fdisk or lsblk?

I have an Inteno dg200 Router running some Iopsys linux version (kernel 3.14 or so, I believe) I've had some trouble getting a fileshare running using the USB ports and my external harddrive. The ...
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1answer
101 views

Any Distros Built for Layer 3 Switching / Routing?

I want to be able to have a decent router that can be highly configured and handle a fair amount of traffic while being secure. Before I spend money on some dedicated routing hardware/software, is it ...
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0answers
85 views

dnsmasq has no effect on router itself

here is my resolv.conf nameserver 127.0.0.1 nameserver isp_provided Here is my dnsmasq.conf, which will do DHCP also: user=nobody bind-dynamic interface=br0 interface=ppp1* no-dhcp-interface=ppp1* ...
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1answer
1k views

How do I find out the build version to download with LEDE?

Following on the footsteps of this question, which I was able to figure out with the device page for my device. I want to know if it is possible to find out he build information without using the web ...
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1answer
307 views

What happened to the armv7l build of LEDE?

uname -a shows, Linux LEDE 4.4.71 #0 SMP Wed Jun 7 19:24:41 2017 armv7l GNU/Linux But I don't see an armv7 even available on the build targets for 17.01.4. It's the same major and minor build number....
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1answer
51 views

Building Router with Transparent Web Resource Cache

Network Interface Configuration 192.168.0.0 Out 1(enp10s0f0) - Local 01(enp10s0f1) 192.168.10.0 - Local 02(enp10s0f2) - Local 03(enp10s0f3) ...
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2answers
131 views

How to share a hotspot wifi access (like fon) accross my ethernet network?

I'm moving into a new home and won't be able to have an actual "wired" xdsl (or better) internet access for several weeks. Fortunately, there are a few hotspots that require http authentication (...
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0answers
44 views

Raspberry Pi router that hides the fact it's a router

I've been attempting to make a router out of a Raspberry Pi 3 Model B to route all of our network traffic through (5 devices). The problem is, the internet service we have: Requires each individual ...
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1answer
553 views

How to block traffic to a different host using UFW on a router [closed]

I have ufw running on an Ubuntu 16.04 host that acts as the router between the Internet and my LAN. (I'm using ufw instead of raw iptables, because manually unblocking enough ICMPv6 to make IPv6 work ...
0
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1answer
355 views

Log ipaddress, mac address, siteurl, port using proxy in OPENWRT

Hi I have setup the OpenWrt (Chaos Calmer) in my router, now I want to log the ipaddress, mac address, requested site url and port using a proxy. Which proxy server is best to achieve the above ...
0
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1answer
733 views

How to block LAN clients on a router from probing the local network?

8 port router over two switches (4+4) Using kernel 2.6.x All Ethernet clients are connected to the same router on the same subnet (192.168.0.1/24). They are connected to the router for the sole ...
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0answers
463 views

Cant Access an IP Behind a VPN When I remote Into Home LAN (Policy Rules Strict)

Here is my environment. AsusWRT-Merlin FW 380.67 on Asus RT-AC88U OpenVPN Client setup on my router using AirVPN OpenVPN Server enabled with 10.8.1.0/24 on my router Internal home LAN with 192.168....
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1answer
60 views

How to see the current routed connections?

I'm running a router that is using linux; I want to see connection statistics from internal network to external network(s) (NAT router); how do I do this? I've tried using netstat but of course its ...
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1answer
622 views

TP-LINK Archer C20i router installing OpenWRT went wrong

I recently bought TP-LINK Archer C20i router and attempted to install OpenWRT. Now when I connect my router to the laptop it is not getting connected. The lights on the router are blinking (turn on ...
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1answer
789 views

Fail2Ban with DDWRT or router

How can I use fail2ban with DDWRT or a router? I love using fail2ban, but there is no info about using fail2ban in a linux base ddwrt / optware / entware and so on.
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0answers
336 views

FTP over LAN without Internet Access

This last days I had been using a FTP Server (Running on my PC), and I pointed some IP Cameras to it (to send snapshots every second). I have this: ISP -> ADSL MODEM + ROUTER -> Switch -> PC, Camera ...
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2answers
97 views

Is there any way to scan a lan network with dhcp enabled to see the IP of the connected devices from a GNU/Linux machine?

I am running a local network over a home router with dhcp enabled. So in case of any reboot of the router, my devices get some random IP within a given range. Is there any way to check the IPs of the ...
2
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1answer
846 views

iptables: download quota per mac address for all hosts

On a Linux router, how to setup download quotas for all hosts? This is for a shared wifi network with many guests: Each guest should start with a 150 Mb download quota and no restriction Once quota ...
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1answer
88 views

Configure two Routers on one Device

I am building a router with a RPi (Raspbian). It has 3 network interfaces: eth0: Connected to the Internet (IP/Gateway from DHCP) wlan0, wlan1: local WLAN interfaces (each serving its own SSID as AP) ...