05-14-2018 02:06 PM - edited 03-08-2019 03:00 PM
Hello, I’m connecting a pair of nexus 9ks to a pair of catalyst 9500 stack virtual via a layer 2 VPC to extend some vlans to the nexus, but I also want to have some Layer 3 vlans on the nexus only. Can I create a layer 3 transport vlan between the nexus and the catalyst and router over the vpc to get to those vlans on the nexus?
thanks
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05-28-2018 11:08 AM
Hi,
Yes, if the 9500 series switches are core/distro, I recommend keeping the 9ks as layer-2 only. This way all the routing for all the vlans is done on the core. Overall, it is a simpler solution.
HTH
05-28-2018 09:33 AM
05-28-2018 10:24 AM - edited 05-28-2018 10:25 AM
You can use a separate link between the 2 Nexus switches and run layer-3 on it. On some platforms, you can also use an SVI on both switches and run layer-3 over that. You just have to make sure you exclude all your user/server vlans if you want to use the second option.
HTH
05-28-2018 10:29 AM
05-28-2018 11:08 AM
Hi,
Yes, if the 9500 series switches are core/distro, I recommend keeping the 9ks as layer-2 only. This way all the routing for all the vlans is done on the core. Overall, it is a simpler solution.
HTH
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