load balancing (lbnamed) question

[Barry Margolin]

In article <u3r9j0flhk.fsf at cyclone.it.wsu.edu>,
Geoff Allen  <geoff at wsu.edu> wrote:
>What I *want* is for mail.wsu.edu to point to mail.lb.wsu.edu to
>balance out interactive and POP users, and to distribute the sendmail
>load between cheetah, and a new machine, cougar. But I'm not sure how
>to do it. I can't replace the above with the following because of the
>restriction against having a CNAME and any other RR:
>
>mail         IN      CNAME   mail.lb.wsu.edu.
>             IN      MX      0 cheetah.it.wsu.edu.
>             IN      MX      0 cougar.it.wsu.edu.

What you probably want is:

mail.wsu.edu. CNAME mail.lb.wsu.edu.
wsu.edu.      MX    0 mail.lb.wsu.edu.

The first entry is for the benefit of POP users, who have mail.wsu.edu
configured as their POP server.  The second is for mail addressed to
user at wsu.edu.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.