DHCP Redundancy

Nathan McDavit-Van Fleet nmcdavit at alcor.concordia.ca
Thu Dec 2 15:50:22 UTC 2010

Didn't realize *YOU* had covered that already.

Nathan Van Fleet
Telecommunications Analyst
Network Assessment and Integration
IITS Concordia University
(514) 848-2424 Extension:5434

> -----Original Message-----
> From: dhcp-users-bounces+nmcdavit=alcor.concordia.ca at lists.isc.org
> [mailto:dhcp-users-bounces+nmcdavit=alcor.concordia.ca at lists.isc.org]
> On Behalf Of Simon Hobson
> Sent: Thursday, December 02, 2010 9:17 AM
> To: Users of ISC DHCP
> Subject: RE: DHCP Redundancy
> Fixing top posting and trimming redundant text ...
> Nathan McDavit-Van Fleet wrote:
> >But aren't they all connected to the same root gateway? A single DHCP
> server
> >should be able to serve that easily. If you have multiple subnets you
> just
> >need to have IP Helper to forward all the DHCP requests to your
> server. IMHO
> >two failed-over servers can service thousands of users without much
> issue.
> Have you been following the thread at all ?
> Yes, *WE* all know that, but the OP isn't happy about not having a
> DHCP server at each node in an unreliable network (sounds like a
> community access project). I made exactly the same point in my last
> email - if the clients can't reach the internet gateway, then it is
> important if they can't reach the DHCP server co-located there ?
> It also sounds like it's not an issue if clients change address, in
> which case it would be trivial to have multiple (non-failover)
> servers offering up non-overlapping ranges in the same subnet (I
> think he has a flat network acorss these sites).
> --
> Simon Hobson
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
> Christmas stocking fillers. Some available as e-books.
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