That's exactly what that means. And you can only trunk on the 100 MB ports. I am pretty sure that the 2820 will also only suport ISL trunking.
I htink if you want to use 1dotq trunking, you need a min. of either a 2900 XL model (the newer versions with 8 MB memory and entreprise edition software, 2912XL for example), or a Cat 2950. The Cat 2950 will onyl do idotq trunking I believe.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...