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

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using a gre tunnel as default route

I have two private networks (A, B) that connects via another company's private network (C). Network A has internet access. I want to make a tunnel between B and A that goes through C. Then network B ...
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Ingress filtering in Linux traffic control: Redirect traffic to IFB device

I have an openwrt router and I want to shape incoming traffic in order to classify all the traffic addressed to a certain IP address in my home network as low priority. For that purpose I want to ...
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Configure a Linux router for fair bandwidth allocation without unnecessary limiting it

I run a Linux router (more precisely OpenWRT) on an internet connection with very limited bandwidth, around 1 MBit/s downstream and some dozen kBit/s upstream. There are several machines on the net ...
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Route an IP from WAN to a host on LAN on OpenWRT

EDIT: I know how to use NAT, I specifically want the server to be reachable on two IP's, one private, one public, with the firewall of the OpenWRT in between, if feasible. At the office we have ...
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Are Network, or Port Assignments the physical router port as opposed to the logical (software configuration) router port?

I've been looking at the port assignments on my router in the linked Open-WRT Wiki, and I'm not sure if the column that reads Network is the actual physical port, or if the Port Assignment is the ...
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801 views

OpenWRT with VLANs: NAT not working with single Firewall Rule

I have a configuration on my OpenWrt Backfire 10.03 with different VLANs, k2 belonging to fwz2 is one of them. In this testing environment the WAN is DHCP with IP:192.168.1.1: config 'interface' ...
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595 views

Could my wireless router randomly reboot if it has a too big antenna?

Because If we (several wireless clients) download too much (that means "full speed" for several hours) the router (WRT160NL - OpenWrt 10.04 with two default 8 dBi omni antenna) just reboots randomly. ...
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dnsmasq: mapping 2 MAC addresses to the same IP address

Is it possible to map 2 different MAC addresses to the same IP address? For my backup, I need to connect back from the server to the portable, and I would like to have the same IP both for the ...
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1answer
651 views

Buffer limit for nginx?

I'm using nginx on an embedded platform (OpenWRT) as a reverse proxy in front of an IP camera, and I'm having an issue where the camera is pushing data to nginx more quickly than nginx is able to ...
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1answer
688 views

Port forwarding not working, tcpdump shows “reset connection”

I have an home web server that I use to serve a few pages for personal purposes. The server runs Ubuntu and is behind an ADSL connection, and it's working nicely. Recently I subscribed to a Hiperlan ...
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OpenWRT + OpenVPN client forwarding from lan to vpn not working

I've OpenWRT router with Backfire 10.03.1-rc3 (arch:brcm 2.6 kernel) I've set up an OpenVPN client connecting my router with workplace lan, and it works nicely, I can connect from router to networks ...
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446 views

Output only the last 2 minute's log

I have a log file: http://pastebin.com/raw.php?i=cdUpTqNV the first column, before the "ASDF" is the same time, as in the given row, but in unix time [i think it's easier to do this with unix time]. ...
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106 views

How can I manipulate dates on each line in a file using only minimal *nix tools?

http://pastebin.com/raw.php?i=rCLH4r4M I have a text file: "hogyaza.txt". I want to convert the "normal dates" in it [only at the line starting] to unix time. i know how to "convert" one line: $ ...
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1answer
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openwrt dmz nat loopback not working

I would like to have my "dmz"-connected visitors to be able to access services by their global DNS IP (wan) that are redirected to another zone, let's say "lan". openwrt wan - 12.23.34.45 client is ...
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2answers
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how to get a list of the connected wifi clients in OpenWrt 10.03?

how to get a list of the connected wifi clients in OpenWrt 10.03?
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3answers
862 views

OpenWrt logging: how to find out “wifi deauthentication”

If someone starts to use the wifi, i can see that with logread: Jan 23 21:04:47 router daemon.info hostapd: wlan0: STA XX:XX:XX:XX:XX:XX IEEE 802.11: authenticated But how can i see, that he/she's ...
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4answers
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How to send mail from an OpenWrt router

I am using OpenWrt 10.03 and need to send "reports" from my router by email. I have installed sendmail: # opkg install mini-sendmail Then I used my ISP's smtp server: # echo -e "From: ...
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726 views

sniff when using ssh tunneling

From my PC, i use: ssh -fND localhost:6000 USERNAME@IPADDRESS -p PORTNUMBER and i set this true in Firefox: network.proxy.socks_remote_dns and i set the socks proxy to 127.0.0.1:6000 in Firefox, ...
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331 views

Openwrt on Airlive AirMax5

We are tyring to install openwrt firmware on Airlive Airmax5 which is running DD-WRT by default. Can anyone please help me, how to install openwrt on wireless router. Waiting for reply. ...
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3answers
2k views

What is the recommended nagios plugin to use to monitor a router with a public ip?

I have a Linksys WRT54GL router that is running openwrt. I have a primary internet connection and a secondary connection which works as a failover connection when our primary link goes down. Both ...
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5answers
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Recommendation for easy to use router and setup to handle multiple VLANs, to avoid multiple DHCP servers conflicting

I'm trying to setup a network in which each computer must not be able to see the others on the network, only the router. The people involved don't necessarily know each other and don't necessarily ...
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4answers
4k views

openwrt: Use rdate with NTP servers?

I've noticed that some embedded devices (such as OpenWRT, which runs on Busybox) use rdate to set the system time, instead of NTP. Rdate is an older time protocol, and I'm having trouble finding any ...
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2answers
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openwrt uses a single interface bridge?

My understanding of bridging is that it ties together two interfaces at layer 2. I am looking at a Ubiquiti Nanostation2 running OpenWRT that has an ethernet port 'eth0' and a wifi port 'ath0'. The ...
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configure pppoe on wrt54gl(openwrt)

I have home DSL connection from my ISP with a beetel modem at my end. I want to make my network wireless, so i bought a linksys wrt54gl and installed open-wrt on it. My ISP provides dynamic IP's with ...
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322 views

updating maradns with nsupdate

I have configured Maradns as dns server on openwrt platform. Can i use nsupdate as ddns client to update the DNS Server. Is it possible of updating Maradns zones with nsupdate.
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3answers
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What firmware to choose for ASUS WL-500GP v1

I've found several firmwares out there: OpenWRT, DD-WRT, Tomato and Oleg's. I'm wondering what is the best choice? Router is working in the home network (desktop through wires, laptop uses WiFi). ...
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2answers
3k views

OpenWRT USB attached disk spin-down

I use a couple of ASUS WL-500GP running OpenWrt Kamikaze 8.09.1 (2.4 kernel) as small office gateways and firewall. Now I would like to attach USB disks to cache local backup-data during office-hours ...
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2answers
5k views

What protocols/ports to open for WinSCP

Which ports (and/or protocols) should be given priority for WinSCP to connect to a *nix machine? Details: I have a Windows client running WinSCP, which connects through a WRT54 router (running ...
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5answers
3k views

QoS for very basic LAN/WiFi network: Do I need SmoothWall or OpenWRT or just good advice?

Here is the basic situation/topology of the network I manage: Residential, but we are a co-op, so we have a business-class contract with ISP. The residents are college students, so there is quite ...
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Wireless clients have no route to ethernet clients in OpenWrt router

I'm using OpenWrt Kamikaze 8.09 on a Linksys WRT54g v1.1 router. I just flashed it with default settings and got everything working, except my wireless laptop cannot ping my desktop which is wired to ...
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4answers
932 views

Does anyone use DD-WRT/OpenWRT etc. at their office? [closed]

Does anyone use any of the third party router/AP firmwares (DD-WRT, OpenWRT, Tomato, etc.) in an office environment? How many users does it handle well? How long have you been using it? I understand ...