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

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8
votes
4answers
7k views

Can't communicate between lan ports on openwrt router

I've got a WBMR-HP-G300H Buffalo Airstation router on which I've installed the lates OpenWRT software. All is working well (ADSL, WIFI etc) except for one niggle. I can't communicate between lan ...
8
votes
3answers
10k views

OpenWrt Configuring Tagged and Untagged VLAN on the Same Port

I have installed OpenWrt on a MikroTik Routerboard RB750UP (AR7240 CPU with AR9330 built in switch). I have included additional details below, but my question is: How do I configure an untagged and ...
6
votes
6answers
7k views

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 ...
5
votes
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 ...
5
votes
4answers
957 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 ...
5
votes
3answers
1k views

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). ...
3
votes
2answers
6k 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 ...
3
votes
1answer
465 views

Force to use specific DNS provider at network

OpenDNS offers a quite simple way for internet filtering by categories. Of course who could get the correct IP address can easily bypass the filter but it would be enough for my expectations. The ...
3
votes
4answers
11k views

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: ...
3
votes
2answers
5k views

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?
3
votes
5answers
1k views

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 ...
3
votes
1answer
325 views

OpenWRT - Manage Virtual LAN

I have an Ubiquiti AirRouter with OpenWRT on it and I've been trying to separate the manage of the ports. I've formated the router using CoovaChilli app, anyways the app just help to install OpenWRT ...
3
votes
0answers
25 views

iptables on openwrt router: logging connections to a host from clients on the same subnet [migrated]

I am trying to setup an auto wake-on-lan setup using my router that is running OpenWRT 14.07, Barrier Breaker. My idea is that the router monitors any connection attempts to the host I want to wake up ...
3
votes
1answer
643 views

qemu with tun virtual networking issues

I'm trying to setup a virtual networking environment using open-wrt qemu and vde2 The script to boot two qemu instances and conenct them together is the following ...
3
votes
2answers
4k 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 ...
2
votes
1answer
145 views

How do I configure routing in this mesh scenario?

I've setup the following scenario All the routers are openwrt routers, and they are connected either via cable (Rout1 <> Rout2), or via wireless (Rout2 <> Rout4) I would like to be able to ...
2
votes
2answers
3k views

OpenWRT Barrier Breaker - Router does not route

I've upgraded my TP-Link 1043 router to OpenWrt 14.07. Everything is perfect, Wifi and LAN are bridged, LAN machines can access each other by name, I can SSH into the router, and the router can access ...
2
votes
2answers
5k views

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 ...
2
votes
1answer
728 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 ...
2
votes
2answers
4k views

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 ...
2
votes
5answers
4k 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 ...
2
votes
1answer
582 views

How do I set up an IPv6 DMZ with iptables without a static allocation?

I have several networks which are on Comcast's residential network. I need to access those networks from a variety of environments, via an SSH proxy on one of the hosts. (As it happens I'm using ...
2
votes
1answer
16 views

Release dhcp lease after forcing client to disconnect

I configured a wifi access point based on OpenWRT to limit the number of clients to 4 at the same time. For that purpose I gave a limited number (4) IP addresses leaseable by DHCP. After a period of ...
2
votes
1answer
2k views

Stop squid caching 302 and 307 with deny_info

TLDR: 302, 307 and Error pages are being cached. Need to force a refresh of the content. Long version: I've setup a very minimal squid instance running on a gateway which shouldn't not cache ANYTHING ...
2
votes
0answers
201 views

how to measure IP bandwidth in pass through mode in linux?

I want to measure the IP bandwidth in pass through mode. Please find the attached picture for configuration and my question also. If there is no solution with OpenWRT, I need any alternative ...
2
votes
1answer
645 views

OpenVPN configuration works standalone but not as daemon

The whole setup works standalone, ex: openvpn --config /etc/openvpn/openvpn.conf, remote can ping server, and server can ping the remote When I start the server with --daemon, the remote client can ...
1
vote
2answers
1k views

How to serve custom dns to dhcp clients in openWrt? [closed]

I would like to serve custom DNS server to dhcp clients. How I can achieve that in openWrt?
1
vote
3answers
864 views

Linux routing - Access external IP from LAN

I'm using OpenWRT (linux based) on my router. The router has a local IP and a public IP. I have a dyndns name assigned to the public IP. The router is forwarding several ports (e.g. ssh and https) to ...
1
vote
1answer
3k views

Redirect DNS requests with OpenWrt

I've brought a wireless router to my office, because there's no free network socket near my place. Every normal computer that is connected via Ethernet cable normally gets IP and DNS addess servers by ...
1
vote
1answer
1k views

`ssh -NfR` equivalent with dropbear

I want to open a reverse tunnel in background. When using OpenSSH ssh -NfR 9022:127.0.0.1:22 <target> always worked. When I did that with dropbear on my router, it failed like this: # ssh -NfR ...
1
vote
3answers
2k views

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 ...
1
vote
2answers
77 views

OpenWrt configuration on the remote server

I have 11 openwrt-based accesspoints in the building. Sometimes I need to add a virtual network with custom password. I don't like to iterate through accesspoints to change parameters. This is ...
1
vote
1answer
694 views

Most DNS queries for TLDs do not pass through dnsmasq

Most DNS queries for top-level domains from my LAN behind a router with dnsmasq 2.55 on OpenWRT 10.03.1 return negative results, e.g.: $ dig com. ANY ; <<>> DiG 9.7.3 <<>> ...
1
vote
2answers
1k views

Openwrt two nic on the same vlan instead of alias?

I have a TP-Link WR1043ND with 1 wan and 1 lan cables attached. The lan cable currently have 2 ips of two different network, using an alias. The two networks share the same switch. I'd like the ...
1
vote
2answers
524 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]. ...
1
vote
1answer
500 views

OpenWRT router as a switch with DNS

We have a router (8 ports) that serves our church (it also is our modem with ADSL2 etc) and handles our DHCP services. I've needed to extend our network to accomodate another 2 ports, so an extra ...
1
vote
1answer
69 views

How to get an unprivileged public status page showing in OpenWrt 12.09 or newer?

For the use case where the WAN connection goes down, but employees can still access wifi, I'd like them to be able to check on some sort of a public router status page in their problem reports. This ...
1
vote
1answer
65 views

Enable external SSH traffic on selected workstations within my network

I have already enabled an external SSH connection (with public and private keys) to my router, however... I would also like to enable an ssh connection to one of my internal workstations (permanently ...
1
vote
1answer
633 views

Rewrite URL based off of IP on OpenWRT

We are running OpenWRT on a WRT54GL. I have been looking for an answer to this, but I can't seem to figure out what to search for, if its possible, or what combination of programs to use. I want to ...
1
vote
3answers
1k 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 ...
1
vote
2answers
1k views

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 ...
1
vote
0answers
35 views

How to set network configuration for openflow on openwrt?

I made a custom build Openwrt (barrier breaker) with Openflow 1.3 and I could connect it to ryo simple_switch_13 controller in outofband mode. Ehternet port number 3 and 4 are set as openflow ports ...
1
vote
0answers
56 views

Create Bridge interface on linux board

My current configuration and topology look like below: +++++++++++++++++++++++++++++++++ +++++++++++++++ | Linux Board eth0 | | Switch | | with openWRT ...
1
vote
0answers
88 views

Make lan ip's available to external devices over openvpn [closed]

My goal is to make my home media library available to external devices. External device ====== OpenVPN Server ====== unknown Modem ----- OpenWRT --- lan machines External devices are OpenVPN ...
1
vote
1answer
134 views

(net)SNMP can GET but not SET

I am running OpenWRT (tried all 3 latest versions) in a TP-LINK WDR3600, with snmpd and snmp utils installed. I can get (although MIBs seem missing) but not set OIDs. SNMPGET root@OpenWrt:/# snmpget ...
1
vote
1answer
395 views

FreeRadius Accounting not working, bad passwords not cheked

I'm trying to configure a captive portal using a router with OpenWRT+ChilliSpot and an external server with Freeradius and a Web Server. ChilliSpot 1.3.0 My issue right now is that the freeradius ...
1
vote
0answers
276 views

Exclude an IP address from an openwrt firewall rule

I am using a wrt54gl with openwrt to try and redirect all traffic on my LAN to a specific server, which will run scapy and other network analysis tools and act as a gateway/firewall to the Internet. ...
1
vote
1answer
5k views

Wireless Multicast Forwarding on OpenWRT

Good day! We need to connect an STB device over wi-fi to the router. STB uses multicast only. Using udpxy is not possible. Original firmware forwards multicast over wi-fi using mac changing ...
1
vote
1answer
99 views

Macvlan-interface and PPP-session

I need to pick up two PPP-sessions on the same interface with different MAC-addresses (on some device with openWrt). I decided to check macvlans. I created an interface with another MAC-address. ...
1
vote
0answers
2k views

OpenWrt on TL-WR1043ND - VLAN to VLAN communication

I have this network configuration at home: 3G Wifi router - for access to internet, 192.168.1.0 subnet Router TP-Link TL-WR1043ND - OpenWRT (12.09), 192.168.2.0 subnet, connected wirelessly via ...