Cisco 3850 Core Switches

Hi,

I have been tasked with configuring some switches, the network has multiple VLANs configured. On the core switches I've been asked to allow all Ports to access all VLANs. Is that possible?
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masnrockCommented:
The short answer to your question is yes.
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Svet ChinkovCommented:
Hello,

Masnrock is correct, I would just add up that this is done through trunk ports and the remote end will also have to be configured for trunking. Please let us know if you have any more questions.

Thank You,
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Don JohnstonInstructorCommented:
allow all Ports to access all VLANs. Is that possible?
There's a bit more to this statement than meets the eye.

Do they mean access all VLANs at layer 2 (being in the same VLAN)?  Or simply being able to get packets to any VLAN (through routing)?

If it's the former, then I would be curious what devices are connected to this switch? Because if that's what you need to do, then it kind of negates the purpose of VLANs.  But as said, make every port a trunk with all VLANs allowed.

If it's the latter, then SVI's (aka VLAN interfaces) would be the way to go.  Create a VLAN interface for each VLAN, assign an appropriate IP address to them,  and now traffic from every device in each VLAN will be routed to any other VLAN.
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