Originally Posted by
Paint Horse
Not actually functioning as a trunk port may be the problem as I only have one switch at present. I found an example on the web of someone with a very similar problem. Their solution used two switches, trunking between them. I am trying that next.
In general this is doable with one switch, but will need to be setup right - google it, my recollection is that you should focus on "ON Vs Desirable", looking at something called DTP within the Cisco.
Good luck