Hello James,

Thanks for your response and my apology for the confusion and late follow up on 
this thread.  

You are right. Each VLAN is supposed to be mapped to a different subnet. Not 
that we need additional confirmation but Solaris 10 System Administration Guide 
IP Services doc says: "Because IP subnets are commonly used, use IP subnets 
when setting up a VLAN network interface. This means that each VID assigned to 
a VLAN interface of a physical network interface belongs to different subnets."

I can try and explain how I temporarily got into this confusion myself but that 
may even confuse you more :) so just never mind the rest of this post. 
I was starting to think about a solution for some potential need and for a 
moment mistakenly thought having one subnet tied to 2 VLANs at the same time 
could be the answer. I didn't even think about sending any traffic as in my 
special case, the interface was only planned to receive traffic (directed to 
its single IP address, sourced by 2 different parties and carried over one VLAN 
or the other depending on the sourcing party) but even this case is problematic 
if not completely wrong too.
-- 
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