Yes it’s possible and people do this pretty often. A couple things to bear in mind.
- GigaBlox (and, by extension GigaBlox Nano since it uses the same chip) have a bug related to this (see below). It’s easy to workaround, just use different numbered ports on each GigaBlox Nano.
- Connecting two ports together will result in a potential bottleneck. Imagine two ports on GigaBlox A want both want to send 1Gbps to two ports on GigaBlox B. This would require an aggregate data rate of 2Gbps to be sent across the daisy chain connection, but that daisy connection is only 1Gbps. This means packet loss. This very rare though, as most ports don’t come close to operating a full line rate for any length of time. But it is something to bear mind. More on this topic can be found in the forum post below.
- Connecting two GigaBlox Nano over together eats up a port on each, giving you six ports total to play with.
Let me know if that makes sense