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dbraddon
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Posts: 30
Joined: Thu May 12, 2011 7:51 pm
Location: Boulder Colorado
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Winbox Discovery Through Router

Fri Jul 27, 2012 10:15 pm

I would like to thank those that helped me figure out the static routing.......Thanks :D

Next Problem: Getting Winbox to discover through a router.

Setup, Mikrotik routerboard 433, ether1 - IP=172.20.30.10/16: Laptop connected to ether1 - IP=172.20.30.200/16 with default gateway=172.20.30.10

ether2 - IP=192.168.0.1/24: Connected to a wireless network with over 20 Mikrotik boards and wireless modules, all of them are addressed in the 192.168.0.0/24 range with default gateway of 192.168.0.1

I have added the routes: Dst. Address=172.20.0.0/16, Gateway=ether1, pref src=192.168.0.1
and Dst. Address=192.168.0.0/24, Gateway=ether2, pref src=172.20.30.10.

I can ping all the routerboards on the 192.168.0.0/24 network, and every routerboard on the 192.168 network can ping the 172.20.30.200 laptop.

The purpose of setting this up is to isolate the wireless network from the LAN which is 172.20.0.0/16 network. Which this setup has accomplished.

Problem is that now the admin cannot sit at his desktop on the 172.20 network and access the radios on the 192.168 network via Winbox. He has to go to the NOC and plug into the 192.168 network to work on any devices with Winbox.

I would like to get Winbox to discover and function through the router, which is also Mikrotik.

I have tried src-nat, and dst-nat where I set the protocol to UDP, will not discover.

I have tried firewall rules as well, still unable to discover.

I have been reading about PPP, and IP tunneling, but not sure if that is the answer.

So here I am, posting in the forums.

Has anyone run into this before? Does anyone know how to get Winbox to discover through a router? Is this even possible?

On top of all that, I'm doing this as a favor for a friend......because no good deed goes unpunished :lol:
 
taduikis
Member
Member
Posts: 436
Joined: Sat Jul 07, 2007 12:09 pm

Re: Winbox Discovery Through Router

Sat Jul 28, 2012 2:21 am

Winbox mac-level stuff like neighbor discovery and mac-login works only in Layer2 network. Routing is Layer3, so there is absolutely no way you can discover mikrotik devices located in mentioned subnet..
 
dbraddon
newbie
Topic Author
Posts: 30
Joined: Thu May 12, 2011 7:51 pm
Location: Boulder Colorado
Contact:

Re: Winbox Discovery Through Router

Wed Oct 10, 2012 1:29 am

I realize that it has been a while since I replied to this topic, so I apologize for the delayed response.

I just cannot buy that this is not possible, and I have been reading a lot of Mikrotik articles to try and figure out a way to get the MT router to forward broadcast packets.

This started as a favor for a friend, it has now turned out that it is a request from clients :(

I have a lot of trouble telling clients that it just isn't possible :?

So is the official Mikrotik response is that this sort of set up is not possible?

Has no one ever needed to have a server running Winbox discover MT devices on another subnet through an MT router?

The basic problem is that the server broadcasts discovery using 255.255.255.255:5678 UDP and 255.255.255.255:8728 TCP

So there is no way to forward broadcasts across an MT router from one subnet to the other?

It works fine if I bridge the ports, but the problem is that customers do not want all traffic from the wireless network on their local LAN, so bridging is out.

Any help would be appreciated!

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