Home > Communication Service Provider Solutions > Telecom Multicloud Foundation > Canonical > Guides > Reference Architecture—Canonical Charmed OpenStack (Ussuri) on Dell EMC Hardware > Leaf switches
This reference implementation uses two Dell EMC Networking S5248F-ON switches. There is a redundant physical 2x 100 GbE connection between the two switches. The recommended architecture uses Dell EMC VLT between the switches in the leaf pair.
Sample physical connections diagram, representing bonding setup of servers’ interfaces and switches LAG setup: