> Out of interest Jake, does your PacketFence server serve IP addresses for the 
> registration and isolation networks?

Nope.  It all uses the same DHCP server which is separate from PF.  We just 
setup different options for the isolation and registration scopes.

Our two reasons for this are: 

1) Linux DHCP scares my bosses. My bosses are hesitant to deploy FOSS into 
production.  But I am sure most people have heard the same old arguments for 
and against FOSS in the enterprise.  Luckily I am eroding away at my 
management’s fears of open source software and FOSS is starting to become a 
mainstay in my datacenter and beyond.

2) When we deployed PF in production,4.5 years ago, we already had an existing 
DHCP infrastructure and adding the required scopes seemed simpler than setting 
up a new server. Us network guys can be a bit lazy like that sometimes : )

Jake Sallee
Godfather of Bandwidth
System Engineer
University of Mary Hardin-Baylor
WWW.UMHB.EDU

900 College St.
Belton, Texas
76513

Fone: 254-295-4658
Phax: 254-295-4221

________________________________________
From: Morris, Andi [[email protected]]
Sent: Thursday, April 30, 2015 4:45 AM
To: '[email protected]'
Subject: Re: [PacketFence-users] PF and independent DHCP

Out of interest Jake, does your PacketFence server serve IP addresses for the 
registration and isolation networks?

Cheers,
Andi

-----Original Message-----
From: Sallee, Jake [mailto:[email protected]]
Sent: 29 April 2015 21:03
To: [email protected]
Subject: Re: [PacketFence-users] PF and independent DHCP

You can put the DHCP helper directive in the switch just don't run DHCP on the 
PF server (this is exaclty what we do).

The switch should still serve up your DHCP and the PF server will be happy that 
it is seeing the DHCP traffic.

Also; running DHCP on the actual switch has always struck me as a strange idea. 
Could you explain why you decided to do it that way?

Jake Sallee
Godfather of Bandwidth
System Engineer
University of Mary Hardin-Baylor
WWW.UMHB.EDU

900 College St.
Belton, Texas
76513

Fone: 254-295-4658
Phax: 254-295-4221
________________________________
From: Boris Epstein [[email protected]]
Sent: Wednesday, April 29, 2015 9:38 AM
To: [email protected]
Subject: [PacketFence-users] PF and independent DHCP

Hello listmates,

I am using PF in a VLAN-based environment. The VLAN's aremanaged by independent 
switches, So is DHCP assignment on these VLAN's.

It all works fine with one exception: the captive portal for machines on my 
VLAN's generates the following error message when I try to connect to it:

"Sorry!

Your computer was not found in the PacketFence database. Please reboot to solve 
this issue."

This discussion from a few years back:

http://sourceforge.net/p/packetfence/mailman/packetfence-users/thread/[email protected]/

seems to suggest that the DHCP info (MAC, IP address, etc.) needs to be 
communicated back to the PF server. One suggested approach is using ip-helpers. 
My concern is that this may make me dependent on my PF server for DHCP as my 
Cisco switches will be tied to it and unable to perform as independent DHCP 
servers. Does anybody know if that is the case?

In short, I need to have a situation where routine IP infrastructure functions 
(routing, DHCP IP address assignment, etc.) occur regardless of the status of 
the PF server - even if it is down. Any advice on how to do that and at the 
same time have a functional PF server with accessible captive portal will be 
greatly appreciated.

Cheers,

Boris.

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