Hey everyone,
I have what is hopefully an easy project. We are currently running a pair of Dell N2048's in a stacked configuration. We are replacing them with a pair of Cisco SG350XG-48T's to upgrade everything to 10G and then demoting the Dell stack to management and backups only. Both stacks are configured for Layer 3 routing and hold a number of VLANs. Ultimately, the Cisco stack will have VLANS 10-17 and the Dell stack should only need VLAN 15.
The problem I have is that I want to connect the 4 SFP+ ports on the Cisco stack to the 4 on the Dell stack without blowing STP up and crashing my network. Knowing that the Dell switches are, to say the least, twitchy when it comes to STP, does anyone have any suggestion on how to get this implemented? Portfast and BPDU Guard/Filter are NOT enabled on any of the SFP+ ports.
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