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

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Static IP Forwarding on OpenWRT

I have a /28 block of static IP's that my ISP provides. Lets say x.x.x.x/28. The new building we are in has a OpenWRT router that I want to configure to forward those IP's to specific servers on the ...
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1answer
29 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 ...
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1answer
21 views

unable to setup point to point network between two openwrt boards

I am trying to setup point to point networks between two Avila boards (Processor : XScale-IXP42x Family) running Openwrt( KAMIKAZE 8.09.1) and Linux kernel 2.6.26.8. I am trying to setup two ...
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Openwrt bridging issue between wireless and ethernet port [migrated]

I've this scenario: an AP connected to the STA wirelessly, the AP is a DHCP server I have following configurations in /etc/config/network of the AP: config interface lan option ifname 'eth1 ...
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1answer
40 views

Problems simulating bridge with OpenWRT virtualbox

I have setup a BarrierBreaker OpenWRT instance in virtualbox. WAN is NAT adapter LAN is internal network I have attempted to bridge these interfaces as I wish to start learning ebtables. However ...
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76 views

HowTo: OpenWRT routing/tunneling all traffic through an inline Snort sensor

I want all traffic that hits the OpenWRT router redirecting/ tunnelin through a dedicated Snort/Suricata machine, before it leaves the local network. The Snort/Suricata machine should act as an inline ...
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68 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 ...
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1answer
175 views

OpenWRT: Redirect traffic from LAN port #4 to specific IP address

I am working with a TP-WR1043ND OpenWRT router which allows port mirroring, as described in the dedicated wikipage. I'm mirroring the WAN port (#0) to LAN port #4. There is no cable in the LAN port ...
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1answer
94 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 ...
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2answers
463 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?
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127 views

Setup openwrt router for 2 simulteneous openvpn clients on different wifi networks

I would like to setup openwrt router to be able to serve 2 different wifi networks which route their traffic thru 2 different openvpn tunnels. So far I have created 2 different wifi networks with ...
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1answer
128 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 ...
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1answer
289 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 ...
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1answer
291 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 ...
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2answers
2k 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 ...
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1answer
418 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 ...
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81 views

OpenWRT OpenVPN setup is slow, howto set CA on a remote system?

I want to run an OpenVPN-Server on a box but creating dh on it is really slow. I was searching the net, how to import a ca for the OpenVPN-Server on OpenWRT so I can run build-dh on a nother computer ...
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2answers
260 views

External ip address being treated as local (ARP asking for external IP's address)

I am using a virtual machine with OpenWRT for routing, on a Linux machine (Slackware). I am trying to configure a host only interface (eth0) as the wan interface. eth1 is Ethernet attached as a bridge ...
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1answer
278 views

BIRD iBGP - Route not reachable

i have two machines participating in the DN42 network, a darknet driven by the Chaos Computer Club and others to play around with advanced routing techniques like BGP and stuff. The machines are ...
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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 ...
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1answer
59 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 ...
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1answer
352 views

How can I create routes between two separate LANs on the internet over an OpenVPN tunnel?

Diagram I have separate router/OpenVPN appliances at two different sites. The appliances are actually TP Link routers running OpenWRT 12.09, r36088. I would like clients behind these two routers to ...
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138 views

OpenWRT firewall redirect punch through

I am using an OpenWRT based firmware on a Netgear router as part of a research project that links the router to an existing broadband router to allow members of the public to access the internet via a ...
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1answer
546 views

set route on OpenWRT for PPPoE and LAN

I have a HUAWEI wireless router running OpenWRT. The router accesses the Internet with PPPoE. Meanwhile it has an Ethernet address with the following configuration in a LAN (Local Area Network): ...
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2answers
1k views

Gateway gets stripped from DHCP Reply through OpenVPN tunnel

I have a bridged OpenVPN setup. This is my server config: port 1194 proto udp dev tap0 ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/server.crt key ...
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361 views

Configuring OpenWRT on Carambola 2 in wireless repeater (Bridged Client) mode

I want to configure OpenWRT in wireless repeater (Bridged Client) mode in order to bridge WAN (access point) and LAN (hosted) networks. PC Client <---> Carambola <---> Wireless Network On Sony ...
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1answer
511 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 ...
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258 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. ...
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1answer
4k 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 ...
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1answer
91 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. ...
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1answer
741 views

How to forward traffic to VPN device

I have set-up OpenWRT in a virtual machine which acts as a router. It has two network interfaces: br-lan: connected to vm internal network eth1: connected to internet through host via NAT I have ...
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64 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 ...
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213 views

Deny all access to router from LAN devices except for services

I have a OpenWRT installation which I'm currently hardening. I'd like to prevent all network access from LAN devices to the router, except for TCP 22, TCP 80, and TCP 443. I'm using LuCI, and here ...
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1answer
985 views

how to use iptables to block the IP of device connected to openwrt router

I have two routers(A,B).the A connect to internet with IP:192.168.1.1 The openwrt router B connect the lan of A by bridge with static IP:192.168.1.111. I am learning to use iptables to control the ...
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1answer
2k views

iptables forward rule not working in openwrt

I am trying to apply some iptables forwarding rules in openwrt. Here is my scenario - My server has two cards ath0 and br-lan. br-lan is connected to internet and ath0 to private network. The other ...
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1answer
275 views

Is it possible to restrict the connection duration per client on the router (say with OpenWRT)?

How to limit the connection duration per client per period (say, one MAC-address can connect only for 3 hours per week to the network). Where could be defined such a rule? In the firewall? So the ...
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1answer
271 views

Client Router Causing Wireless Bridge Connectivity Issues [closed]

I have an issue that I can't seem to figure out on my own. Whenever I power on a client router, it causes connectivity issues with another router, which functions as a wireless bridge. The ...
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3answers
807 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 ...
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3answers
9k 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 ...
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1answer
1k views

PRIO qdisc example not working

I have a TP-Link WR1043-ND with OpenWrt 12.09 (r36088, Linux 3.3.8). There is a bridge called br-lan joining eth0.1 (tagged VLAN for the 4 LAN ports) and wlan0 (Wi-Fi). There is also the WAN port at ...
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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 ...
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1answer
2k views

strongswan VPN on OpenWrt

Hi I'm running Barrier Breaker version of OpenWRT and I have setup a VPN according to: http://wiki.openwrt.org/inbox/strongswan.howto I can connect to the VPN with my iPhone or Mac (to 10.10.1.0/24 ...
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1answer
333 views

Getting DNS replies for non-existing hostnames (DNSMasq)

I noticed some 'weird' DNSMasq behavior when I set up my LAN for dual stack IPv4 & IPv6 networking. It seems that my DNS server (DNSMasq) which acts as a forwarder and also has all the host names ...
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295 views

Multiple network routing

I am after some advice on how to achieve multiple independent LANs, that can restrictively talk to each other (at minimal cost). I have 3 LANS LAN A - Admin Lan - Multiple servers and workstations, ...
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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 ...
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1answer
655 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 <<>> ...
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1k views

OpenWRT Allow connections between 2 machines on LAN mapped to 2 IPs on WAN

I have an OpenWRT router with 1 WAN port and many LAN ports. I have assigned a second IP to the WAN port by adding a command to the startup scripts like that: ip addr add X.Y.Z.G/24 dev eth0.2 ...
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1answer
468 views

wireless network for about 100 clients using home-grade equipment [duplicate]

Possible Duplicate: Can you help me with my capacity planning? Let me say that I have already read a similar question here - High client density, low cost wifi network? However, I do not ...
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1answer
986 views

How to configure totally open DMZ with OpenWRT?

I have OpenWRT router. I have NAS in my LAN, which i need to access from WAN and from all computers in the LAN. So, it should be accessible from any computer and it needs to access some of them, too. ...
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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 ...