Sean Murphy wrote:

>Does NetBSD support the addition of a 2nd logical interface for sn0?
>
>Tried the obvious ifconfig sn0:1 <IP address> up and it returns a "device
>not configured"

Where did you find the documentation that described that syntax for the 
ifconfig command?

My man pages show ifconfig takes a "sn0 inet alias <ip-address)", and 
that does work on my systems.

-bob