[181228] in North American Network Operators' Group
Re: Anycast provider for SMTP?
daemon@ATHENA.MIT.EDU (Mike Meredith)
Fri Jun 19 07:50:48 2015
X-Original-To: nanog@nanog.org
Date: Fri, 19 Jun 2015 09:39:07 +0100
From: Mike Meredith <mike.meredith@port.ac.uk>
To: nanog@nanog.org
In-Reply-To: <DD2CBC7E-2D13-4DBB-9235-9A3B712B7D19@hopcount.ca>
Errors-To: nanog-bounces@nanog.org
On Thu, 18 Jun 2015 15:51:31 -0400, "Joe Abley" <jabley@hopcount.ca>
may have written:
> Since DHCP uses broadcast and multicast addresses when a client is
> discovering a server, it's not obvious why you'd have to.
And broadcast/multicast when renewing a lease (DHCPREQUEST). You will
of course see unicast addresses on the server side if the server is
seeing requests forwarded by a udp helper.
> You can run redundant sets of isc-dhcpd servers together serving the
> same broadcast domain and have them assign leases from the same
> address pools (at least, I've never tried it, but I was within
Indeed. Rock solid in my experience (on a "little" network).
--
Mike Meredith, University of Portsmouth
Principal Systems Engineer, Hostmaster, Security, and Timelord!
