Multiple IP Reservations

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Richard Riffel

• December 26, 2020 21:35

Is it possible that DHCP reservations can be made based on Mac addresses, on a per-vlan basis?   I have a raspberry pi that will have a primary and VLAN connection, and I would like to assign IP addresses for each one, on the Gold.

I can set static IP addresses in the RPi, but I would prefer to centrally manage the IP allocation and not on each device.

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  Firewalla

  • December 26, 2020 23:24

  You can do this today.  See https://help.firewalla.com/hc/en-us/articles/115004304054-Device-View

  under IP reservation.

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  Richard Riffel

  • December 26, 2020 23:47

  yes, but it looks like you can only do it once based on a single mac address.  is it possible to somehow segment the DHCP requests based on which port it comes in on and allocate a different address, for example:

  device on port 1 at mac address: 00:1B:44:11:3A:B7-> 192.168.64.5

  device on port 2 at mac address 00:1B:44:11:3A:B7-> 192.168.45.56

  It looks now like it's one IP reservation per Mac address.      I'm thinking depending which switch port the device is attached to i can route it to different Gold ports at level 3 on the switch.

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  Firewalla

  • December 27, 2020 03:13

  It is possible to do this.  But, for simplicity's sake, unless there is a huge demand for this, we will unlikely to build it.  It just makes things complex. 

  Let's see if there are others who want the same.   they can comment on this thread. 

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  Richard Riffel

  • December 27, 2020 15:37

  Thanks, understand this is a very unique request and probably not worth the programming and subsequent SVT.  Just wondered if it was already done.   Thanks for responding!

   

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  James Willhoite

  • December 27, 2020 16:32

  I would rather assign it myself. I always leave about 10-25 open up addresses outside the DHCP for this purpose. That way I have some to use if I need to have a static pool. (Start the dhcp pool at like 25 or 50. That way I have numbers 2-24 to assign)

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  Firewalla

  • December 27, 2020 18:40

  @James, agree with your idea.  We do this to our network ourselves.   Leaving a section for static IP's reserved for special devices. 

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