Subject: Re: /etc/ifaliases, or $ifaliases_ne0
To: None <firstname.lastname@example.org>
From: Luke Mewburn <email@example.com>
Date: 11/29/1999 08:26:51
> >it's a shame that /etc/ifaliases wasn't as flexible as the /etc/ifconfig.XXX
> >how about supporting /etc/ifaliases.XXX, with syntax of
> > family aliasaddress [optional parameters]
> >where optional parameters includes netmask, prefixlen, etc...
> >that doesn't help on the variable side (e.g $ifalias_XXX). however,
> >since you may have a number of aliases per interface, it would make
> >it tricky to support a variable number of args *and* multiple aliases
> >per interface in the one shell variable, so don't try and support
> >extending the $if* syntax in your rework.
> Actually we can have "alias" configuration into /etc/ifconfig.XXX
> (not ifaliases.XXX) like:
> inet 10.0.0.1 netmask 0xffffff00 <-- first address
> inet 10.0.0.2 netmask 0xffffff00 alias <-- alias
> so we'd better make the use of /etc/ifaliases obsolete.
I'd forgotten about /etc/ifconfig.XXX supporting multiple lines.
That sounds like a reasonable solution.
The only problem I can see is that you probably can't do
ifconfig XXX `cat /etc/ifconfig.XXX`
when there's multiple lines, but since multiple line support already
exists, it's not like you're breaking that behaviour...
We could continue to support /etc/ifaliases, but mention that it's