MAC & IP Binding not working on TP-LINK router

11

1

I have my home server up and running. I had my router set up so that it forward outside calls directly to the server so I could access it from anywhere. For some unkown reason it started misbehaving. I have no idea why it doesn't bind IP properly.

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What am I missing? Binding seems to be enabled, MAC address seems to be the same...

I use router TL-WR941N with firmware version 3.13.9.

Pijusn

Posted 2013-04-28T20:27:22.467

Reputation: 221

Answers

17

I'm using TL-WR1043ND.

Before setting Mac Binding, you have to reserve an IP address for the server in DHCP > Address Reservation.

bono

Posted 2013-04-28T20:27:22.467

Reputation: 171

2Hey I just want to give you a hearty thanks for solving my home networking problem. It's weird that it doesn't let you add the address reservation from the Mac Binding page since those 2 things seem closely coupled – CornSmith – 2017-10-05T19:40:18.357

Agreed. Here's a related question: https://superuser.com/q/904476/52722

– StriplingWarrior – 2018-04-09T17:45:39.863

Really short and helpful. – alemjerus – 2019-04-05T23:58:13.107

3

As mentioned in tp-link site. you should be disabled DHCP.

Mr.Aras

Posted 2013-04-28T20:27:22.467

Reputation: 31

1

Two possibilities:

  1. Your server is using a dynamic IP rather than being statically assigned 192.168.0.150. Since the forwarding is always to 192.168.0.150, if the server is assigned a different IP address, the forwarding will no longer be to the server.

  2. You are testing from inside your own network. Forwarding of connections from the outside won't forward connections from the inside unless your router supports loopback (or "hairpin") NAT.

David Schwartz

Posted 2013-04-28T20:27:22.467

Reputation: 58 310

Isn't it the router who picks the IP address? Should I look into my server's settings to ensure it's binding to 192.168.0.150? – Pijusn – 2013-04-28T20:37:37.070

It can be either the router or the machine depending on how you configure it. Did you configure the router to assign the machine a static IP address? If not, did you configure the machine to use a static IP address? If you didn't do either, then it won't have a static IP address and the address can change. – David Schwartz – 2013-04-28T20:59:16.540