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2 links between virtual chassis on Juniper EX4200

I have 2 virtual chassis with all ex4200 switcehs and currently they are connected with 1 link. What if I add another link between them. RSTP will shut the new link down. Correct? I need to configure integrated link to take advantage of 2Gbps link between the VC. Correct?
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Zephyr ICTCloud Architect

I think you're thinking about LACP

This allows for 2 or more ports to be bound...


But without the aggregated link, RSTP will shut the new link down. Correct?
Cloud Architect
Yes, if it is not (for example) configured in another (non-routed) VLAN, it will be blocked to prevent loops.