Date: Wed, 17 Jan 2007 17:24:11 +0000 From: Charles Trevor <ct.lists@qgsltd.co.uk> To: freebsd <freebsd@gorlani.net> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Load balancing outgoing mail relay Message-ID: <45AE5BBB.6060805@qgsltd.co.uk> In-Reply-To: <000601c73a43$8683c170$6601880a@Enigma> References: <000601c73a43$8683c170$6601880a@Enigma>
next in thread | previous in thread | raw e-mail | index | archive | help
freebsd wrote: >> This (multiple A records) works for me, at least approximately. Both >> Bind and MS DNS will round robin when multiple A records exist for the >> same hostname. What is your setup? > > FreeBSD 6.2 with Sendmail (initially) and now postfix. > MS DNS with round robin (and TTL set to 0 on the records). > Resolving with nslookup gives something like: > smarthost.domain.tld > 192.168.0.1, 192.168.0.2, 192.168.0.3 > > If I kill 192.168.0.1 then it goes on the second one. But this is > failover, and I need (approximately) load balancing. > I understand this is related to the MTA and not to the OS, but hopefully > someone solved this problem using Sendmail or Postifx that are both used > on FreeBSD. > Thanks > What happens if you do multiple dig/nslookups for smarthost.domain.tld. Are the records returned in a different order each time? If not the problem may be at the NS. Charlie
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?45AE5BBB.6060805>