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Webcast-Catalyst9k
New Member

STP failover question

I'd like to know how STP failover works in this scenario:

Network:

2 core switches, direct links between switches. Core1 is primary for vlan 5 and core2 is primary for vlan 10.

3 closet switches, connected using uplinkfast to both core switches.

1 device on vlan 5 is plugged into core1 and another device on vlan 10 is plugged into core2.

Scenario:

Direct links between the core switches go offline, switches are still up. Will the connection between the 2 devices break? Do the core switches reroute traffic between vlans' via the closet switches?

(Yes I do realize end devices should not be on core switches but that is not always possible)

Thanks

Raja

1 REPLY
Hall of Fame Super Bronze

Re: STP failover question

Yes to both questions

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