Option 43 is only to provide a configuration server.

------ Original Message ------
From: "Gino A. Villarini" <[email protected]>
To: "[email protected]" <[email protected]>
Sent: 11/7/2017 4:35:49 PM
Subject: Re: [AFMUG] ePMP CnMaestro URL via Option 43

What other options are available for option43?

From: Af <[email protected]> on behalf of Adam Moffett <[email protected]>
Reply-To: "[email protected]" <[email protected]>
Date: Tuesday, November 7, 2017 at 5:22 PM
To: "[email protected]" <[email protected]>, "[email protected]" <[email protected]>
Subject: Re: [AFMUG] ePMP CnMaestro URL via Option 43

It's in the User Guide. You can use option 43, or if you set a domain via option 15 (the "Domain" field in Mikrotik DHCP) then it tries "cnmaestro.domain"

My problem turned out to be that if you've already set a URL for CnMaestro then it won't use the DHCP provided option. But in theory, if we're plugging in one at default settings it should get the URL from DHCP.





Gino A. Villarini

PresidentMetro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968

------ Original Message ------
From: "Josh Luthman" <[email protected]>
To: "[email protected]" <[email protected]>
Sent: 11/7/2017 4:18:41 PM
Subject: Re: [AFMUG] ePMP CnMaestro URL via Option 43

OMG this is amazing, I didn't know option 43 was a possibility!


Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Mon, Nov 6, 2017 at 4:02 PM, [email protected] <mailto:[email protected]><[email protected]> wrote:
Yes, working fine for us:
/ip dhcp-server option add code=43 name=cnMaestro value="'https://X.X.X.X'"


On Mon, Nov 6, 2017 at 3:51 PM, Adam Moffett <[email protected]> wrote:
Is anybody successfully setting the CnMaestro URL via Option 43 on ePMP?

I've set up a Mikrotik DHCP server in accordance to these instructions: http://community.cambiumnetworks.com/t5/cnMaestro/Microtik-Routerboard-DHCP-configuration-for-onboarding-devices/m-p/56012#M26 <http://community.cambiumnetworks.com/t5/cnMaestro/Microtik-Routerboard-DHCP-configuration-for-onboarding-devices/m-p/56012#M26>

Option 60, 43, and Domain are all set, but the cnMaestro URL is never actually changed on the ePMP devices, neither on a DHCP renewal or a reboot. I can confirm via packet capture the options are being sent to the ePMP. I don't see any attempt to connect to the CnMaestro server on premises, but I do see them doing DNS lookups for cloud.cambiumnetworks.com <http://cloud.cambiumnetworks.com>.



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