Hot answers tagged

24 votes
Accepted

iptables duplicate traffic to another ip

The ROUTE patch is a kernel patch which needs to be applied to the Linux Kernel source code for iptables to work: you can find here all relevant information. However, the patches detailed in this Web ...
15 votes

"Private" MAC Address

Private MAC addresses are often found in embedded systems that do not have an official address. Many cheap "credit card computers" such as the Raspberry Pi must generate their own address to operate ...
  • 319
13 votes

DD-WRT: Cannot see client when using wired ethernet

I found the solution, you need to run the following two commands to allow clients hooked up to the switch to talk to each other: swconfig dev eth1 set enable_vlan 1 swconfig dev eth1 set apply ...
  • 2,279
11 votes

How can I re-enable the web interface of a dd-wrt router with no SSH or telnet connection?

I recommend following these steps in the future: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=29181 nvram set httpd_enable=1 nvram set http_enable=1 nvram commit you can just reboot, or start httpd ...
  • 135
9 votes

DD-WRT: dnsmasq headaches with static hosts

I have quite a bit of experience with dnsmasq on dd-wrt and especially close to the date of this comment. I can share with you my working solution to each of the answers to each requirement. I will ...
9 votes
Accepted

"Private" MAC Address

Private registrations are either MA-L, MA-M, or MA-S assignments from the IEEE to an entity that has paid an additional initial fee and/or an annual recurring fees to the IEEE to prevent their name ...
  • 1,838
9 votes

Configure DD-WRT to Limit Bandwidth on Devices

I am surprised no one answered this. Yes this is possible, there are a couple ways of achieving what you are trying to do. in my experience, when you do this with roommates who are splitting costs ...
  • 5,764
8 votes

Setting up a second router to be a separate network on a home networking router

I understand this question is a few years old, but it still pops as first result on google searches, so here is the most direct route for what the asker was trying to achieve. Modem -> WAN on Router ...
  • 81
7 votes
Accepted

DD-WRT serving additional DNS servers instead of just the router’s IP

It's good that you're using DNSMasq. You can configure what you want in the Services (> Services) tab, in the DNSMasq > Additional DNSMasq Options box, but first, you'll want to clear those Static ...
  • 3,311
7 votes

"Private" MAC Address

I had the same issue, a "private" MAC suddenly showed up in my router table. I discovered that this appeared whenever my Kindle device was turned on and signed onto my network talking to Amazon. It's ...
6 votes
Accepted

How to assign different static IP addresses to the same machine depending on its OS?

You can configure both the OSes to ask for static IPs instead of the router assigning static IP addresses based on their MAC addresses. This can be achieved by configuring the respective operating ...
6 votes

Local hostname not working without the trailing dot

The dot at the end is required to force a DNS lookup. Without it, Windows may try first other methods such as NETBIOS or the hosts file, which it will not try if the dot is present. When you put a dot,...
  • 416k
5 votes

OpenWrt vs DDWrt

I might add another category (or subcategory) to the main questions: upgradeability/up-to-dateness - Has the core 3rd party router firmware been updated "fairly" recently?? DD-WRT; While the widely ...
5 votes
Accepted

Only direct connection works, but not via router

Turns out that it was indeed the TTL that was causing the issue! Here's an FAQ-style answer, hopefully more broadly useful for other people. Why does my connection only work via direct cable, but not ...
  • 1,701
5 votes

is there any Public DNS Server (except openDNS) that have port open other than 53?

I found the answer after stumbled upon this github page DNS that not using 53 port. i hope this little list can help the others that got blocked by the ISP's transparent DNS.
4 votes

What are good settings to use for Tx Power and Antenna Gain with dd-wrt on my router (WNDR3700v1)?

The Antenna length must fit to its frequency, its Wave length. Look here to find out your needed Frequency: https://en.wikipedia.org/wiki/List_of_WLAN_channels For most used WLan its around 2445MHz. ...
  • 141
4 votes

wireless repeater vs wireless bridge?

In most cases, you want to use the Repeater Bridge option. This keeps all the systems on the same subnet -- it's basically a range-extender, with the unlikely-to-affect you issues of MAC filtering ...
4 votes

How do you get to a DD-WRT router's configuration page? (repeater bridge)

You'll need to give your computer a static IP address on the same range as the DD-WRT router to be able to access it. This can be done on either the ethernet or WiFi interface. Once the static IP ...
  • 4,217
4 votes

How do you get to a DD-WRT router's configuration page? (repeater bridge)

The page you reference above, http://www.dd-wrt.com/wiki/index.php/Repeater_Bridge, suggests setting up a static IP address for the RB (=Repeater Birdge). It states: Open the Setup -> Basic Setup ...
4 votes

How to assign different static IP addresses to the same machine depending on its OS?

This is possible by matching DHCP option 60, “Vendor class identifier”. Microsoft operating systems will send a string starting with “MSFT”. Official documentation is also available. Windows 8 still ...
  • 55k
4 votes
Accepted

How can I disable WPS on DD-WRT?

Extracted from this thread at DD-WRT forums: Short answer: your WPS could already be disabled on your DD-WRT device, even when it seems to be active. It just depends on the wps_state value at /...
4 votes

can anyone explain this completely random local IP address that appears on my network?

To 255.255.255.255:68 from an unfamiliar private IP address? Some device is likely broadcasting a DHCP Request, trying to renew an old lease it had from the previous network it was on.
  • 97.9k
4 votes
Accepted

Avoiding double nat in apartment complex

There aren't many options here. You could create another subnet without NAT; the setup on your DD-WRT would be essentially the same except without NAT enabled. However, you would need configuration ...
  • 386k
4 votes
Accepted

How can I use DD-WRT to resolve multiple hostnames to one IP address?

According to this page on the DD-WRT wiki, you should be able to point multiple domain names at a single IP address by adding multiple domain names in an address option statement in the "Additional ...
  • 97.9k
4 votes
Accepted

pfSense and DD-WRT, Single WAP with multiple SSIDs and separate networks

Here is a summary of the steps I took to accomplish that with 3 SSIDs on isolated networks, IPv4 configuration using a 4 port pfSense box and a ASUS RT-AC66U with the latest version DD-WRT loaded. ...
  • 382
4 votes

DD-WRT - how to identify best firmware version for router?

For ASUS routers your safest approach is to use ASUSwrt-merlin. Your device appears to be supported. The official site of Asus-merlin is here. For your ASUS model some information can be found @...
  • 1,663
3 votes

Port forward list is empty in DD-WRT

The issue is that the NVRAM is full, so you need to delete some content. Preferably the history of the WAN traffic. On newer DD-WRT there is a delete button, but on older ones like v24 SP1, there is ...
  • 31
3 votes

OpenWrt vs DDWrt

An important consideration these days is router security. Out of the three distributions, only the OpenWRT has a security advisories page: https://openwrt.org/advisory/start So basically from ...
  • 239
3 votes

DD-WRT: Cannot see client when using wired ethernet

I did some googling and it appears to be a bug in the DD-WRT firmware. There is talk on the DD-WRT forum that newer version a of the firmware will fix the issue. SiegeX's fix works great, one ...
3 votes

Can the WAN IP address be retrieved programmatically from a DD-WRT router

in console, run "nvram get wan_ipaddr"
  • 199

Only top scored, non community-wiki answers of a minimum length are eligible