Weird NIS automount problem

Well, my trusty old Sparc20/Solaris9 blew up a few weeks ago. Now I'm working
on moving all of my services over to zones on Solaris10, with much success
and a lot of learning. However, I've run into a silly little problem with YP
and the automounter, and need some spare eyes to help me out here.

I have home directories coming off of one server (salvador), shared out as
/export/home. I have /home set up as an indirect map in auto_master, in NIS.
auto_home has the generic line:

* salvador:/export/home/&

This is all absolutely bog-standard stuff. The thing is, this works if I
have /etc/auto_home local, but NOT if I use the NIS auto.home table. The
syntax between the two is identical. I've played around with nsswitch.conf
and toyed with the +auto_home line in /etc/auto_home (as well as removing
/etc/auto_home entirely) but the end result is that /home/<username> is only
accessible if the above line appears in /etc/auto_home.

Stranger still--the entry MUST be in the local /etc/auto_home, even if
nsswitch.conf indicates that automount should only ever look in NIS.

Any ideas? I'm sure I'm missing something obvious, but I can't figure out
what it is for the life of me.

Thanks,
Colin
the above line in
.

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