See an overview and demonstration on how to set them up on a stack of Cisco SG550XG and SG350XG switches. Subscribe to Cisco's RU-vid channel: cs.co/Subscribe.
Hi there. The following Cisco Switching Community discussion may be helpful to you: community.cisco.com/t5/switching/stacking-switches-spanning-tree/td-p/912894
Hello, you can find the stacking info in the admin guide. www.cisco.com/c/dam/en/us/td/docs/switches/lan/csbms/Sx500/administration_guide/500_Series_Admin_Guide.pdf
The following discussion from the Cisco Switching Community may be related to your question: community.cisco.com/t5/switching/what-is-the-maximum-number-of-switches-that-can-be-stacked-using/td-p/4008032
They are different. Check out these discussions for more info on topologies: community.cisco.com/t5/other-network-architecture/difference-between-switch-cascading-daisy-chain-and-pt-to-pt/td-p/171619 learningnetwork.cisco.com/thread/136295?start=0&tstart=0
Hello, the SG350 switch simply forwards the network traffic. You would need to configure the PPPoE on the router, wireless access point and/ or your computer.